Product Description

Product Description

 

Cylindrical Roller Berings

In bearings of Cylindrical Roller Berings  the cylindrical rollers are in linear contact with the raceways. They have a high radial load capacity and are suitable for high speeds.
 
Cylindrical roller bearings, in which either the inner or outer rings has 2 CZPT and the other ring has one, are capable of taking some axial load in 1 direction Double-row cylindrical roller bearings have high radial rigidity and are used primarily for precision machine tools. Some cylindrical roller bearings have no CZPT on either the inner or outer ring, so the rings can move axially relative to each other. These can be used as free-end bearings.
 
There are different types designated as NU, NJ, NUP, N, NF (for single-row cylindrical roller bearings), NNU, and NN (for double-row cylindrical roller bearings depending on the design or absence of side ribs). The outer and inner rings of all types are separable .
 
NU317E 32317E N317E NF317E NJ317E NUP317E

mm    4.82kg

Main items 
 

Bearing NO. (mm) Bearing No. (mm)
ITEM NO. OLD ITEM d D B Item no. Old item  d D B
N202 2202 15 35 11 NUP205 92205 25 52 15
NF202 12202 15 35 11 RN205 557105 25 15
NU202 32202 15 35 11 RNU205 292205 52 15
NJ202 42202 15 35 11 N2205 2505 25 52 18
RN202 557102 15 11 N2205 2505 25 52 18
RNU202 292202 35 11 NUP2205NV E192505K 25 52 18
N203 2203 17 40 12 LRN605/YA 922205 52 15
NF203 12203 17 40 12          
NU203 32203 17 40 12 N305 2305 25 62 17
NJ203 42203 17 40 12 NU305 32305 25 62 17
RN203 557103 17 12 NJ305 42305 25 62 17
RNU203 292203 40 12 NUP305 92305 25 62 17
N204 2204 20 47 14 RN305 557105 25 17
NF204 12204 20 47 14 NF305 12305 25 62 17
NU204 32204 20 47 14 RNU305 292305 62 17
NJ204 42204 20 47 14 NCL2305 102605 25 62 24
NUP204 92204 20 47 14          
RN204 557104 20 14 N206 2206 30 62 16
RNU204 292204 47 14 NF206 12206 30 62 16
RN-V604ENV/P6 E392704K 55 20 NU206 32206 30 62 16
          NJ206 42206 30 62 16
N304 2304 20 52 15 NUP206 92206 30 62 16
NF304 12304 20 52 15 RN206 557106 30 16
NU304 32304 20 52 15 RUN206 292206 62 16
NJ304 42304 20 52 15 NCL206 157106 30 62 16
NUP304 92304 20 52 15          
RN304 557104 20 15 N306 2306 30 72 19
RNU304 292304 52 15 NF306 12306 30 72 19
          NU306 32306 30 72 19
N205 2205 25 52 15 NJ306 42306 30 72 19
NF205 12205 25 52 15 NUP306 92306 30 72 19
NU205 32205 25 52 15 RN306 557106 30 19
NJ205 42205 25 52 15          

 

Shaft 
diameter          (mm)
                                    Bearing Designation                                Boundary Dimensions       (mm)   Basic Load Ratings        (N)       Limiting Speeds (rpm)  Weight (Kg)
              Current Designation     Original Designation d D B rsmin r1smin Cr Dynamic Cor Static Grease Oil
16 SZ-4101   16 44 8.3     15700 18000     0. 0571 1
17 N203 2203 17 40 12 0.6 0.3 11400 9100 16000 19000 0.07800
NJ203 42203 17 40 12 0.7 0.3 11400 9100 16000 19000 0.06900
NJ203ETN1   17 40 12 0.6 0.6 16900 13800 16000 19000 0. 0571 8
NU203 32203 17 40 12 0.6 0.3 11400 9100 16000 19000 0.07000
NU203ETN1   17 40 12 0.6 0.3 16900 13800 16000 19000 0.06654
NJ2203E   17 40 16 0.6 0.3 22800 20300 13800 16400 0.09200
20 N204 2204 20 47 14 1 0.6 15800 13100 13800 16400 0.13300
NF204 12204 20 47 14 1 0.6 15800 13100 13800 16400 0.11000
NJ204 42204 20 47 14 1.1 0.7 17000 14400 13800 16400 0.14000
NU204 32204 20 47 14 1 0.6 15800 13100 13800 16400 0.13500
NU204/C3   20 47 14 1 0.6 14400 13100 13800 16400 0.10670
N304 2304 20 52 15 1.1 0.6 21800 17700 11400 13800 0.14470
NJ304 42304 20 52 15 1.1 0.6 21800 17700 11400 13800 0.15750
NU304 32304 20 52 15 1.1 0.6 21800 17700 11400 13800 0.15190
NUP304ETN1   20 52 15 1.1 0.6 31500 26800 10600 13100 0.15582
NJ2304ETN1   20 52 21 1.1 0.6 42000 38700 10000 13000 0.21267
25 N205 2205 25 52 15 1 0.6 17000 14900 11400 13800 0.13280
NF205 12205 25 52 15 1 0.6 17000 14900 11400 13800 0.13630
NJ205 42205 25 52 15 1 0.6 17000 14900 11400 13800 0.14840
NJ205E 42205E 25 52 15 1 0.6 29900 28400 10600 13100 0.13400
NJ205ETN1   25 52 15 1 0.6 29900 28400 10600 13100 0.13510
NU205 32205 25 52 15 1 0.6 17000 14900 11400 13800 0.13300
NU205/C3   25 52 15 1 0.6 15400 14900 11400 13800 0.13300
NU205E 32205E 25 52 15 1 0.6 29900 28400 10600 13100 0.13013
NU205ETN1   25 52 15 1 0.6 29900 28400 10600 13100 0.13107
NU205L   25 52 15 1 0.6 20300 18900 10600 13100 0.13774
NUP205 92205 25 52 15 1 0.6 17000 14900 11400 13800 0.14950
NCL205 157105 25 52 15 1 0.6 24600 24300 10600 13100 0.14500
N2205 2505 25 52 18 1.1 0.6 24100 23300 10600 13100 0.18700
NJ2205 C0G42505 25 52 18 1 1 24100 23300 10600 13100 0.17000
NU2205 32505 25 52 18 1.1 0.6 24100 23300 10600 13100 0.16530
NU2205/C3   25 52 18 1 0.6 21400 22800 10600 13100 0.16530
NU2205EV   25 52 18 1 0.6 41400 43300 9200 11400 0.16520
N305 2305 25 62 17 1.1 1.1 29100 25200 9200 11400 0.23430
N305ENTN1/C3   25 62 17 1.1 0.5 41500 37400 9200 11400 0.23340
NF305 12305 25 62 17 1.1 1.1 29100 25200 9200 11400 0.24330
NJ305 42305 25 62 17 1.1 1.1 29100 25200 9200 11400 0.24580
NJ305/C3 C3G42305 25 62 17 1.1 1.1 29100 25200 9200 11400 0.24580
NJ305E 42305E 25 62 17 1.1 1.1 41500 37400 9200 11400 0.27100
NJ305ETN1   25 62 17 1.1 1.1 41500 37400 8900 10500 0.24364
NU305 32305 25 62 17 1.1 1.1 29100 25200 9200 11400 0.23970
NUP305   25 62 17 1.1 1.1 29100 25200 9200 11400 0.25551
NUP305E   25 62 17 1.1 1.1 41500 37400 8900 10500 0.28505
NUP305N C0G192305 25 62 17 1.1 1.1 29100 25200 9200 11400 0.26300
NCL305 157105 25 62 17 1.1 1.1 39500 37800 8900 10500 0.24600
NU2305E   25 62 24 1.1 1.1 57000 56100 2250 4500 0.36939
NJ2305E   25 62 24 1.1 1.1 57000 56100 7800 9200 0.37739
NJ2305EV/C4 C4G532605E 25 62 24 1.1 1.1 66300 69700 7800 9200 0.36920
NJ2305VH   25 62 24 1.1 1.1 63000 57000 2250 4500 0.36950
NUP2305E   25 62 24 1.1 1.1 57000 56100 7800 9200 0.37657
NCL2305 102605 25 62 24 1.5 1.1 57700 61400 7800 9200 0.35800
30 NUP44494   30 61.93 23.8 1.1 1.1 63300 75500 2500 5000 0.34000
N206 2206 30 62 16 1 0.6 23900 22200 9400 11300 0.20380
N206E 2206E 30 62 16 1 0.6 36800 34400 8900 10500 0.24000
NJ206 42206 30 62 16 1 0.6 23900 22200 9400 11300 0.23380
NJ206E C0G42206E 30 62 16 1 0.6 39100 37300 8900 10500 0.23080
NJ206ETN1   30 62 16 1 0.6 39100 37300 8900 10500 0.23080
NU206 32206 30 62 16 1 0.6 23900 22200 9400 11300 0.21130
NU206E 32206E 30 62 16 1 0.6 39100 37300 8900 10500 0.22310
NUP206E 92206E 30 62 16 1 0.6 39100 37300 8900 10500 0.23540
NUP206E/C4   30 62 16 1 1 39100 37300 8900 10500 0.23510
NCL206 157106 30 62 16 1 0.6 33800 35100 8900 10500 0.22400
NJ2206ETN1   30 62 20 1.0 0.6 48900 49800 8900 10500 0.25792
NJ2206E   30 62 20 1.0 0.6 48900 49800 8900 10500 0.34970
NJ2206E.TVP   30 62 20 1 1 48900 49800 2500 5000 0.25792
N306 2306 30 72 19 1.1 1.1 35900 31900 7800 9200 0.34480
NJ306 42306 30 72 19 1.1 1.1 35900 31900 7800 9200 0.35240
NJ306E   30 72 19 1.1 1.1 53200 55710 7000 8500 0.40082
NJ306E/C3   30 72 19 1.1 1.1 53200 55710 7000 8500 0.40082
NU306 32306K 30 72 19 1.1 1.1 35900 31900 7800 9200 0.34590
NU306E   30 72 19 1.1 1.1 53200 55710 7800 9200 0.39282
NU306MN/P63   30 72 19 1.1 1.1 35100 38600 7800 9200 0.38100
NUP306 92306 30 72 19 1.1 1.1 35900 31900 7800 9200 0.36950
NFP306 22306K 30 72 19 1.1 1.1 35900 31900 7800 9200 0.37000
RO-694   30 80 23 1.1 1 75400 81100 7800 9200 0.60065
32 NCL6/32V   32 62 18 1.1 0.6 53400 56200 7000 8500 0.23670
NCL6/32V/P6   32 62 18 1.1 0.6 53400 56200 7000 8500 0.23670
NUP45622   32 75 20 1.1 1.1 50000 44300     0.41125
35 F-45226   35 62 19 1 0.6 50000 53000 2750 5500 0.21513
R356219   35 62 19 1 0.6 50000 53000 2750 5500 0.21513
N207 2207 35 72 17 1.1 0.6 31400 28900 8300 9900 0.29400
NF207 C0G12207 35 72 17 1.1 0.6 31400 28900 8300 9900 0.30150
NJ207 42207 35 72 17 1.1 0.6 31400 28900 8300 9900 0.29950
NJ207E   35 72 17 1.1 0.6 55710 55710 7800 9200 0.32630
NU207 32207 35 72 17 1.1 0.6 31400 28900 8300 9900 0.29130
NUP207 92207 35 72 17 1.1 0.6 31400 28900 8300 9900 0.32451
NU2207E   35 72 23 1.1 0.6 61600 65200 2200 4300 0.41860
NJ2207E   35 72 23 1.1 0.6 61600 65200 6600 7900 0.42960
NUP2207E 92507E 35 72 23 1.1 0.6 61600 65200 6600 7900 0.44440
N307 2307K 35 80 21 1.5 1.1 46400 43000 7700 9200 0.45760
NF307 12307K 35 80 21 1.5 1.1 46400 43000 7700 9200 0.47360
NJ307 42307 35 80 21 1.5 1.1 46400 43000 7700 9200 0.48060
NJ307/C3 C3G42307 35 80 21 1.5 1.1 46400 43000 1700 3400 0.48365
NJ307E C0G42307EK 35 80 21 1.8 1.3 66500 65300 6600 7900 0.48720
NJ307EV/C4YA C4G532307EK 35 80 21 1.5 1.1 78400 81000 6100 7400 0.50150
C3G42307EK   35 80 21 1.8 1.3 66500 65300 7700 9200 0.48720
NU307 32307 35 80 21 1.5 1.1 46400 43000 7700 9200 0.46760
NU307EV1   35 80 21 1.5 1.1 71000 71000 6600 7900 0.51243
NUP307E 92307E 35 80 21 1.5 1.1 66500 65300 6600 7900 0.52340
NUP307EN   35 80 21 1.5 1.1 66500 65300 6600 7900 0.53710
NUP307EV   35 80 21 1.5 1.1 77500 79800 6600 7900 0.51390
NUP307EV/C3   35 80 21 1.5 1.1 77500 79800 6600 7900 0.51390
510148   35 80 23 1.1 0.6 65750 77600 6600 7900 0.57100
NJ2307E   35 80 31 1.5 1.1 93000 100500 6600 7900 0.78400
NU2307EV4   35 80 31 1.5 1.1 99000 109000 6600 7900 0.76425
NUP2207X1V/C9YB   35 90 23 1.1 0.6 89600 93600     0.79900
40 N208 2208 40 80 18 1.1 1.1 43700 42900 7300 8700 0.37080
NF208 12208 40 80 18 1.1 1.1 43700 42900 7300 8700 0.38380
NJ208 42208 40 80 18 1.1 1.1 43700 42900 7300 8700 0.39730
NU208 32208 40 80 18 1.1 1.1 43700 42900 7300 8700 0.37580
NUP208 92208 40 80 18 1.1 0.6 43700 42900 7300 8700 0.39850
NUP208/P6 E92208 40 80 18 1.1 1.1 43700 42900 7300 8700 0.39860
NU2208E   40 80 23 1.1 1.1 72300 77600 2000 3800 0.51782
NJ2208E 42508E 40 80 23 1.1 1.1 72300 77600 6600 7900 0.53082
NJ2208E.TVP3.C3   40 80 23 1.1 1.1 70600 75200 2000 3800 0.48967
NJ2208EV   40 80 23 1.1 1.1 84700 95100 6100 7400 0.51160
N308 2308K 40 90 23 1.5 1.5 58600 56900 6600 7900 0.63650
NF308 12308K 40 90 23 1.5 1.5 58600 56900 6600 7900 0.66990
NF308M/P6 E12308H 40 90 23 1.5 1.5 58600 56900 6600 7900 0.71990
NJ308 42308K 40 90 23 1.5 1.5 58600 56900 6600 7900 0.67930
NJ308ETN1   40 90 23 1.5 1.5 83200 81500 1500 3000 0.66350
NJ308/C3   40 90 23 1.5 1.5 58600 56900 1500 3000 0.67930
NU308 32308K 40 90 23 1.5 1.5 58600 56900 6600 7900 0.66610
NUP308E 92308E 40 90 23 1.5 1.5 82200 80300 6100 7400 0.69600
NUP308N 192308 40 90 23 1.5 1.5 58600 56900 6600 7900 0.72078
NUP308EN 192308E 40 90 23 1.5 1.5 82200 80300 6100 7400 0.72540
NUP308ENV   40 90 23 1.5 1.5 97200 157100 5900 7000 0.75710
NJ2308E   40 90 33 1.5 1.5 113200 121100 5900 7000 1.5710
NJ2308E.TVP3   40 90 33 1.5 1.5 121000 140700 1500 3000 0.95869
NUP2308E   40 90 33 1.5 1.5 121000 140700 1500 3000 1.06100
45 N209 2209 45 85 19 1.1 1.1 45900 46900 7100 8500 0.41880
NF209 12209 45 85 19 1.1 1.1 45900 46900 7100 8500 0.43670
NF209/C3   45 85 19 1.1 1.1 45900 46900 7100 8500 0.43670
NF209E   45 85 19 1.1 1.1 63000 66400 6600 7900 0.47644
NJ209 42209 45 85 19 1.1 1.1 45900 46900 7100 8500 0.44590
NJ209E   45 85 19 1.1 1.1 63000 66400 6600 7900 0.42995
NJ209ECP   45 85 19 1.1 1.1 63000 66400 7100 8500 0.42995
NJ209ETN1/C3   45 85 19 1.1 1.1 63000 66400 7100 8500  
NU209 32209 45 85 19 1.1 1.1 45900 46900 7100 8500 0.43400
NUP2209E   45 85 23 1.1 1.1 76000 84500 6600 7900 0.59384
NUP2209EN   45 85 23 1.1 1.1 76000 84500 6600 7900 0.58764
N309 2309K 45 100 25 1.5 1.5 72900 69900 5900 7000 0.82390
NF309 12309 45 100 25 1.5 1.5 72900 69900 5900 7000 0.86840
NF309M/P6 E12309H 45 100 25 1.5 1.5 72900 69900 5900 7000 0.70829
NJ309 42309 45 100 25 1.5 1.5 72900 69900 5900 7000 0.87490
NJ309E   45 100 25 1.5 1.5 99200 157100 5000 6000 0.97560
NU309 32309K 45 100 25 1.5 1.5 72900 69900 5900 7000 0.85180
NU309E   45 100 25 1.5 1.5 99200 157100 5000 6000 0.97990
NUP309 92309 45 100 25 1.5 1.5 72900 69900 5900 7000 0.89440
NUP309N 192309 45 100 25 1.5 1.5 72900 69900 5900 7000 0.91000
NUP309NR   45 100 25 1.5 1.5 72900 69900 5900 7000 0.91477
NUP309EN   45 100 25 1.5 1.5 99200 157100 5000 6000 0.98110
NUP309ENV/C3   45 100 25 1.5 1.5 110500 116100 4500 5300 0.97417
NUP309ENTN1 192309E 45 100 25 1.5 1.5 99200 157100 5000 6000 0.90400
NJ2309E   45 100 36 1.5 1.5 138800 155700 5000 6000 1.38761
NU2309E   45 100 36 1.5 1.5 138800 155700 5000 6000 1.35761
50 N210 2210 50 90 20 1.1 1.1 48100 50900 6600 7900 0.47520
NF210   50 90 20 1.1 1.1 48100 50900 6600 7900 0.49820
NF210C3 C3G12210 50 90 20 1.1 1.1 48100 50900 6600 7900 0.49820
NF210E   50 90 20 1.1 1.1 65900 71800 6200 7300 0.53120
NJ210 42210 50 90 20 1.1 1.1 48100 50900 6600 7900 0.48640
NJ210E   50 90 20 1.1 1.1 65900 71800 6600 7900 0.53571
NJ210ETN/C3 C3G42210EA 50 90 20 1.1 1.1 65900 71800 6200 7300 0.48320
NU210 32210 50 90 20 1.1 1.1 48100 50900 6600 7900 0.47340
NU210/P6 E32210 50 90 20 1.1 1.1 48100 50900 6600 7900 0.47340
NU210ETN/C3   50 90 20 1.1 1.1 65900 71800 6200 7900 0.46820
NUP210EN   50 90 20 1.1 1.1 65900 71800 6200 7900 0.52420
NUP210E   50 90 20 1.1 1.1 65900 71800 6200 7900 0.52620
NU2210ETN/C3 C3G32510EA 50 90 23 1.1 1.1 79500 91500 6200 7300 0.54970
NJ2210ETN1   50 90 23 1.1 1.1 79500 91500 1700 3300 0.56470
NJ2210E.TVP3.C3   50 90 23 1.1 1.1 77600 88600 1700 3300 0.56800
NJ2210E.TVP3   50 90 23 1.1 1.1 77600 88600 1700 3300 0.56800
NUP2210E   50 90 23 1.1 1.1 79500 91500 6200 7300 0.63660
N310 2310 50 110 27 2 2 88900 88800 5400 6300 1. 0571 0
NF310 12310 50 110 27 2 2 88900 88800 5400 6300 1.10120
NJ310 42310 50 110 27 2 2 88900 88800 5400 6300 1.14800
NJ310E   50 110 27 2 2 112100 116000 5000 6000 1.27325
NJ310N C0G262310K 50 110 27 2 2 88900 88800 5400 6300 1.15300
NU310 32310 50 110 27 2 2 88900 88800 5400 6300 1.12560
NUP310 92310 50 110 27 2 2 88900 88800 5400 6300 1.20000
NUP310NV   50 110 27 2 2 128200 144700 5400 6300 1.20800
NUP310ENV/C3   50 110 27 2 2 128200 144700 5000 6000 1.20800
NCL310 157110 50 110 27 2 2 111300 122300 5400 6300 1.17000
N410 2410 50 130 31 2.1 2.1 132300 127600 5400 6300 2.26000
NJ410 42410K 50 130 31 2.1 2.1 132300 127600 5400 6300 2.26000
55 N211 2211 55 100 21 1.5 1.1 57900 62200 6000 7100 0.62130
NF211 12211 55 100 21 1.5 1.1 57900 62200 6000 7100 0.65370
NF211E 12211E 55 100 21 1.5 1.1 86100 98700 5400 6500 0.76600
NJ211 42211 55 100 21 1.5 1.1 57900 62200 6000 7100 0.64510
NJ211/C3   55 100 21 1.5 1.1 55710 32000 6000 7100 0.64510
NJ211E   55 100 21 1.5 1.1 86100 98700 5400 6500 0.66160
NJ211ECP   55 100 21 1.5 1.1 86100 98700 5400 6500 0.66160
NU211 32211 55 100 21 1.5 1.1 57900 62200 6000 7100 0.63571
NU211E   55 100 21 1.5 1.1 86100 98700 5400 6500 0.71850
NUP211   55 100 21 1.5 1.1 57900 62200 6000 7100 0.64470
NUP211E   55 100 21 1.5 1.1 86100 98700 5400 6500 0.76060
NJ2211E   55 100 25 1.5 1.1 101200 121500 1500 3000 0.89360
NJ2211E/C3 3G42511E 55 100 25 2.0 1.1 101200 121500 5400 6500 0.89360
NUP2211EN/C3   55 100 25 1.5 1.1 101200 121500 5400 6500 0.89240
NF311E 12311E 55 120 29 2 2 138100 144300 4500 5300 1.60325
NF311E/C3   55 120 29 2 2 140500 147600 4500 5300 1.60145
NJ311E 42311E 55 120 29 2 2 138100 144300 4500 5300 1.63700
NUP311EN   55 120 29 2 2 140500 147600 4500 5300 1.66760
NUP311ENV/C3   55 120 29 2 2 153800 165700 4500 5300 1.59230
60 N212 2212 60 110 22 1.5 1.5 71800 79800 5400 6500 0.82160
NJ212 42212 60 110 22 1.5 1.5 71800 79800 5400 6500 0.83610
NJ212E   60 110 22 1.5 1.5 96200 105600 5000 6000 0.9571
NU212 32212 60 110 22 1.5 1.5 71800 79800 5400 6500 0.82220
NU212ETN1/C3   60 110 22 1.5 1.5 96200 105600 5000 6000 0.79458
NUP212E   60 110 22 1.5 1.5 96200 105600 5000 6000 0.92947
NF312 12312 60 130 31 2.1 2.1 124800 127800 4500 5400 1.86900
NF312E   60 130 31 2.1 2.1 153100 162100 4100 4900 2.02670
NF312E/C3   60 130 31 2.1 2.1 153500 164600 4100 4900 2.02670
NU312E   60 130 31 2.1 2.1 135900 96000 4100 4900 1.99332
NJ312E 42312E 60 130 31 2.1 2.1 153100 162100 4100 4900 2. 0571 0
NUP312ENV/C3   60 130 31 2.1 2.1 185400 195200 4100 4900 1.89200
N2312E   60 130 46 2.1 2.1 225500 266700 4200 5000 2.99210
NJ2312E   60 130 46 2.1 2.1 225500 266700 4200 5000 2.98220
65 N213 2213 65 120 23 1.5 1.5 78800 87000 5000 6000 1.19000
NF213 12213 65 120 23 1.5 1.5 78800 87000 5000 6000 1.20500
NJ213 42213 65 120 23 1.5 1.5 78800 87000 5000 6000 1.22000
NJ213E   65 120 23 1.5 1.5 15710 122300 4500 5400 1.14046
NU213 32213 65 120 23 1.5 1.5 78800 87000 5000 6000 1.20400
NUP213E   65 120 23 1.5 1.5 15710 122300 5000 6000 1.16646
NUP213EN/C4 C4G192213E 65 120 23 1.5 1.5 15710 122300 4500 5400 1.16646
NU313E   65 140 33 2.1 2.1 182800 194800 4000 4700 2.37380
NJ313E   65 140 33 2.1 2.1 182800 195300 4000 4700 2.23005
NJ313E/C2   65 140 33 2 2 182800 194800 4000 4700 2.42280
NUP313ENV   65 140 33 2.1 2.1 212900 244900 4000 4700 2.20000
70 N214 2214 70 125 24 1.5 1.5 82100 93500 4800 5700 1.13770
NF214 12214 70 125 24 1.5 1.5 82100 93500 4800 5700 1.17340
NF214E/C3   70 125 24 1.5 1.5 123600 144500 4800 5700 1.27412
NF214E/YB2   70 125 24 4.3 1.5 121000 140700 4500 5400 1.27412
NJ214 42214 70 125 24 1.5 1.5 82100 93500 4800 5700 1.20300
NJ214E   70 125 24 1.5 1.5 121000 140700 4500 5400 1.27262
NU214 32214 70 125 24 1.5 1.5 82100 93500 4800 5700 0.84500
NUP214E 92214E 70 125 24 1.5 1.5 121000 140700 4500 5400 1.30600
NF314E   70 150 35 2.1 2.1 25710 226000 3700 4400 2.98900
NU314E   70 150 35 2.1 2.1 25710 226000 3700 4400 2.94617
NJ314E   70 150 35 2.1 2.1 25710 226000 3700 4400 3.05717
NJ314E/C9   70 150 35 2.1 2.1 25710 226000 3700 4400 3.05717
NUP314ENV/C4   70 150 35 2.1 2.1 236300 253300 3700 4400 3.57102
NJ2314VH   70 150 51 2.1 2.1 335000 455000 3700 4400 4.34670
75 N215 2215 75 130 25 1.5 1.5 95100 15710 4500 5400 1.20430
NF215 12215 75 130 25 1.5 1.5 95100 15710 4500 5400 1.24030
NJ215 42215 75 130 25 1.5 1.5 95100 15710 4500 5400 1.24890
NU215 32215 75 130 25 1.5 1.5 95100 15710 4500 5400 1.21780
NU215E   75 130 25 1.5 1.5 132200 160500 4200 5000 1.32420
80 N216 2216 80 140 26 2 2 118600 141600 4200 5000 1.72000
NJ216 42216 80 140 26 2 2 108500 125900 4200 5000 1.79000
NU216 32216 80 140 26 2 2 118600 141600 4200 5000 1.75000
85 NJ217 42217 85 150 28 2 2 122800 144000 4000 4700 2.17000

Company Profile

 

Company information

JPG Bearingis a comprehensive manufacture and service providers with world’s leading bearing manufacture process and management technique in china. We are selling all kinds of ball and roller bearings products with international standard and technology level of low noise, high load and long life. Welcome to inquiry!

Main products 

1.Taper roller bearing

2.Deep groove ball bearing

3.cylindrical roller bearing

3.spherical roller bearing

4.linear bearing

5.pillow block bearing

6 OEM all knid of famous brand 

7. Non-standard bearing 

Packaging:
1. Neutral Package: Plastic Bag + Carton + Pallet;
2. Commercial Package: Plastic Bag + Box + Carton + Pallet;
3. As the clients’ requirement.
 
Delivery:
1. Less than 1000 pcs , we will send by express. ( Door to Door, Convenient ),
   or by  air transport. ( Fastest and safest, but expensive )
2. More than 1000pcs , we will send by sea. ( Cheapest, safe )
 
Payment:
1. Less than 1000 pcs , 100% T/T, Western Union in advance. 
2. Between 1000-10000pcs, TT, Western Union, MoneyGram.
3. More than 10000pcs , TT, L/C ,Western Union, MoneyGram.

After service 

All of our bearings are qualified and manufactured as Chinese Bearing Industry Standard (GB/T 307.2-1995). Any bearing sold has a warranty from us.
To improve our products and service greatly, any feedback of bearings, package, delivery etc would be highly appreciated
In case of any bearing problem, which is caused by bearing quality, package etc, we would like to replace the bearings.
Any other question, feel free to contact us by email.
 
Dealing Process:
      
      Send us inqry———Quotation———–Confirmation for all information———-Proforma Invoice————-Payment———–Shipping goods and documents. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
Samples:
US$ 30/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

tapered roller bearing

What are the Challenges Associated with Thermal Expansion in Tapered Roller Bearings?

Thermal expansion presents several challenges in tapered roller bearings, particularly in industrial and high-speed applications. As the bearing components heat up during operation, they expand, which can impact the bearing’s performance, longevity, and overall operation. Here are the challenges associated with thermal expansion in tapered roller bearings:

  • Internal Clearance Reduction:

As the bearing components heat up, their dimensions increase due to thermal expansion. This reduction in internal clearance can lead to increased friction, higher operating temperatures, and even binding of the rolling elements.

  • Lubrication Concerns:

Thermal expansion can affect the distribution and viscosity of the lubricant within the bearing. If the lubricant thins out due to temperature rise, it may not provide adequate protection against friction and wear, potentially leading to premature failure.

  • Increased Friction and Wear:

With reduced internal clearance and potential changes in lubrication properties, the bearing is more susceptible to increased friction and wear. This can result in accelerated wear of the rolling elements, raceways, and cage.

  • Higher Operating Temperatures:

Thermal expansion contributes to elevated operating temperatures within the bearing assembly. Excessive heat generation can degrade the lubricant, weaken bearing materials, and reduce overall efficiency.

  • Alignment Issues:

Temperature-related expansion can lead to misalignment between bearing components, causing uneven loading and potential damage to the rollers and raceways. This misalignment can also lead to increased vibration and noise.

  • Variability in Fit and Clearance:

Components within the bearing may expand at different rates due to variations in material properties. This can result in changes in fit and clearance between components, affecting the overall stability and performance of the bearing.

  • Impact on Preload:

If a bearing is preloaded to eliminate internal clearance, thermal expansion can significantly affect preload values. This can lead to altered load distribution, increased stress on components, and potential bearing damage.

  • Performance Inconsistencies:

Thermal expansion can introduce inconsistencies in bearing performance, especially during transient operating conditions where temperature changes occur rapidly.

  • Limitations in High-Speed Applications:

In high-speed applications, the rapid temperature rise due to friction and heat generation can exacerbate the challenges of thermal expansion, necessitating careful design and lubrication strategies.

  • Design and Material Considerations:

Manufacturers must carefully consider the materials and design aspects of tapered roller bearings to account for thermal expansion effects. This may involve selecting materials with suitable thermal properties and optimizing internal clearances.

Managing thermal expansion challenges requires a comprehensive approach that involves proper bearing design, lubrication strategies, and monitoring of operating conditions. Addressing these challenges ensures that tapered roller bearings can perform optimally and reliably in various applications.

cylindrical roller bearing

Can cylindrical roller bearings be used in both radial and axial load applications?

Yes, cylindrical roller bearings are capable of supporting both radial and axial loads. They are designed to handle primarily radial loads but can also withstand certain axial loads depending on the bearing’s configuration and design features. Let’s delve into the details:

  • Radial Load Capacity:

Cylindrical roller bearings are primarily designed to carry radial loads, which are perpendicular to the shaft’s axis. The cylindrical rollers distribute the load evenly along their length and transmit it to the raceways. The rings of the bearing, both the inner and outer rings, provide structural support and maintain the position of the rollers. The cylindrical shape of the rollers enables efficient load distribution, making cylindrical roller bearings suitable for applications with significant radial loads.

  • Axial Load Capacity:

While cylindrical roller bearings are primarily designed for radial loads, they can also accommodate certain axial loads depending on their specific design features. There are different types of cylindrical roller bearings that offer varying degrees of axial load capacity:

  • Single-row cylindrical roller bearings:

These bearings can accommodate limited axial loads in one direction. The axial load-carrying capacity is determined by the bearing’s internal design, including the shoulder and rib configurations on the inner and outer rings. Single-row cylindrical roller bearings with a full complement of rollers, where the cage is removed, can provide higher axial load capacity at the expense of reduced speed capability.

  • Double-row cylindrical roller bearings:

Double-row cylindrical roller bearings have increased axial load-carrying capacity compared to single-row bearings. They can support axial loads in both directions and are often used in applications where combined radial and axial loads are present. Double-row cylindrical roller bearings have additional features such as increased rib height, modified internal clearance, or a different cage design to enhance their axial load-carrying capability.

  • Multi-row cylindrical roller bearings:

Multi-row cylindrical roller bearings, such as four-row or six-row designs, offer even higher axial load capacity. These bearings are commonly used in heavy-duty applications where extremely high radial and axial loads need to be accommodated, such as rolling mills, crushers, or gearboxes.

It’s important to consider the specific load requirements of the application when selecting cylindrical roller bearings. Factors such as the magnitude and direction of the loads, the bearing’s speed capability, and any potential misalignment should be taken into account to ensure the bearing is properly sized and can handle the anticipated loads.

In summary, while cylindrical roller bearings are primarily designed to carry radial loads, they can also support certain axial loads depending on their design. Single-row, double-row, and multi-row cylindrical roller bearings offer varying degrees of axial load capacity, allowing them to be utilized in applications with combined radial and axial loads.

cylindrical roller bearing

Can you explain the design and structure of cylindrical roller bearings?

Cylindrical roller bearings have a specific design and structure that enables them to handle high radial loads and moderate thrust loads. Let’s explore the key components and features of cylindrical roller bearings:

  • Inner and Outer Rings:

The inner and outer rings of cylindrical roller bearings are typically made of high-quality bearing steel. The inner ring is mounted on the rotating shaft, while the outer ring is usually mounted in a stationary housing. The rings are precision-machined with raceways that serve as the contact surfaces for the cylindrical rollers.

  • Cylindrical Rollers:

Cylindrical rollers are the main load-carrying components of the bearing. They are cylindrical in shape and have a high length-to-diameter ratio. The rollers are precision-ground to ensure close tolerances and uniform size distribution. The large contact area between the rollers and the raceways allows for efficient load distribution and reduced stresses.

  • Cage:

A cage, also known as a separator, is used to keep the cylindrical rollers evenly spaced and prevent them from coming into contact with each other. The cage is typically made of steel or other materials such as brass or polyamide (nylon). It provides guidance and retains the rollers in position during operation, ensuring smooth rolling motion and preventing roller skewing or jamming.

  • Flanges:

Cylindrical roller bearings may have flanges on the inner or outer rings or both. Flanges are raised edges or shoulders that provide axial guidance and help in locating the bearing in the axial direction. The presence of flanges can also improve the overall rigidity and axial load-carrying capacity of the bearing.

  • Internal Clearance:

The internal clearance of cylindrical roller bearings refers to the space between the rollers and raceways when there is no external load applied. It affects the bearing’s thermal expansion, running accuracy, and ability to accommodate misalignment or axial displacement. Different levels of internal clearance are available to suit specific application requirements.

  • Lubrication:

Cylindrical roller bearings require proper lubrication to minimize friction, reduce wear, and dissipate heat generated during operation. Lubrication helps to maintain the separation between the rolling elements and raceways, preventing metal-to-metal contact and minimizing the risk of premature failure. Common lubrication methods include grease lubrication and oil lubrication.

  • Sealing and Protection:

Cylindrical roller bearings can be equipped with various types of seals or shields to prevent the ingress of contaminants and retain lubrication. These seals and shields help to extend the bearing’s service life and maintain its performance by providing protection against moisture, dust, and other external factors that could cause damage or deterioration.

Overall, the design and structure of cylindrical roller bearings allow them to efficiently handle radial loads and moderate thrust loads. The combination of inner and outer rings, cylindrical rollers, cage, flanges, internal clearance, lubrication, and sealing work together to provide reliable and smooth rotational motion in machinery applications.

China manufacturer Cylindrical Roller Bearing Nu317e 32317e N317e Nf317e Nj317e Nup317e   bearing engineeringChina manufacturer Cylindrical Roller Bearing Nu317e 32317e N317e Nf317e Nj317e Nup317e   bearing engineering
editor by CX 2024-04-09