Product Description

Product Description

NTN JAPAN Made High Precision N2315EM NJ2315EM NF2315EM NU2315EM NUP2315EM N NF Nj Nu series Bearings Cylindrical Roller Bearings
The rolling body is a centripetal rolling bearing of a cylindrical roller. The internal structure of cylindrical roller bearings adopts rollers arranged in parallel, and a spacer or isolation block is installed between the rollers, which can prevent the tilt of the rollers or the friction between the rollers, and effectively prevent the increase of rotation torque.

Product name Cylindrical roller bearings
Material Bearing Steel
Standard DIN GB ISO JIS
Bearing Package Barreled, bagged, boxed, palletized or as customers’ requirement.
Service OEM service provided
Delivery time 3-10 days depends on quantity needed

Detailed Photos

 

Product Parameters

Cylindrical Roller Bearings
Shaft diameter (mm) Bearing Designation Boundary Dimensions (mm) Basic Load Ratings (N) Limiting Speeds (rpm) Weight (Kg)
Current 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 17 40 12 0.6 0.3 11400 9100 16000 19000 0.078
NJ203 17 40 12 0.7 0.3 11400 9100 16000 19000 0.069
NJ203ETN1 17 40 12 0.6 0.6 16900 13800 16000 19000 0. 0571 8
NU203 17 40 12 0.6 0.3 11400 9100 16000 19000 0.07
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 0.092
20 N204 20 47 14 1 0.6 15800 13100 13800 16400 0.133
NF204 20 47 14 1 0.6 15800 13100 13800 16400 0.11
NJ204 20 47 14 1.1 0.7 17000 14400 13800 16400 0.14
NU204 20 47 14 1 0.6 15800 13100 13800 16400 0.135
NU204/C3 20 47 14 1 0.6 14400 13100 13800 16400 0.1067
N304 20 52 15 1.1 0.6 21800 17700 11400 13800 0.1447
NJ304 20 52 15 1.1 0.6 21800 17700 11400 13800 0.1575
NU304 20 52 15 1.1 0.6 21800 17700 11400 13800 0.1519
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 25 52 15 1 0.6 17000 14900 11400 13800 0.1328
NF205 25 52 15 1 0.6 17000 14900 11400 13800 0.1363
NJ205 25 52 15 1 0.6 17000 14900 11400 13800 0.1484
NJ205E 25 52 15 1 0.6 29900 28400 10600 13100 0.134
NJ205ETN1 25 52 15 1 0.6 29900 28400 10600 13100 0.1351
NU205 25 52 15 1 0.6 17000 14900 11400 13800 0.133
NU205/C3 25 52 15 1 0.6 15400 14900 11400 13800 0.133
NU205E 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 25 52 15 1 0.6 17000 14900 11400 13800 0.1495
NCL205 25 52 15 1 0.6 24600 24300 10600 13100 0.145
N2205 25 52 18 1.1 0.6 24100 23300 10600 13100 0.187
NJ2205 25 52 18 1 1 24100 23300 10600 13100 0.17
NU2205 25 52 18 1.1 0.6 24100 23300 10600 13100 0.1653
NU2205/C3 25 52 18 1 0.6 21400 22800 10600 13100 0.1653
NU2205EV 25 52 18 1 0.6 41400 43300 9200 11400 0.1652
N305 25 62 17 1.1 1.1 29100 25200 9200 11400 0.2343
N305ENTN1/C3 25 62 17 1.1 0.5 41500 37400 9200 11400 0.2334
NF305 25 62 17 1.1 1.1 29100 25200 9200 11400 0.2433
NJ305 25 62 17 1.1 1.1 29100 25200 9200 11400 0.2458
NJ305/C3 25 62 17 1.1 1.1 29100 25200 9200 11400 0.2458
NJ305E 25 62 17 1.1 1.1 41500 37400 9200 11400 0.271
NJ305ETN1 25 62 17 1.1 1.1 41500 37400 8900 10500 0.24364
NU305 25 62 17 1.1 1.1 29100 25200 9200 11400 0.2397
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 25 62 17 1.1 1.1 29100 25200 9200 11400 0.263
NCL305 25 62 17 1.1 1.1 39500 37800 8900 10500 0.246
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 25 62 24 1.1 1.1 66300 69700 7800 9200 0.3692
NJ2305VH 25 62 24 1.1 1.1 63000 57000 2250 4500 0.3695
NUP2305E 25 62 24 1.1 1.1 57000 56100 7800 9200 0.37657
NCL2305 25 62 24 1.5 1.1 57700 61400 7800 9200 0.358
30 NUP44494 30 61.93 23.8 1.1 1.1 63300 75500 2500 5000 0.34
N206 30 62 16 1 0.6 23900 22200 9400 11300 0.2038
N206E 30 62 16 1 0.6 36800 34400 8900 10500 0.24
NJ206 30 62 16 1 0.6 23900 22200 9400 11300 0.2338
NJ206E 30 62 16 1 0.6 39100 37300 8900 10500 0.2308
NJ206ETN1 30 62 16 1 0.6 39100 37300 8900 10500 0.2308
NU206 30 62 16 1 0.6 23900 22200 9400 11300 0.2113
NU206E 30 62 16 1 0.6 39100 37300 8900 10500 0.2231
NUP206E 30 62 16 1 0.6 39100 37300 8900 10500 0.2354
NUP206E/C4 30 62 16 1 1 39100 37300 8900 10500 0.2351
NCL206 30 62 16 1 0.6 33800 35100 8900 10500 0.224
NJ2206ETN1 30 62 20 1 0.6 48900 49800 8900 10500 0.25792
NJ2206E 30 62 20 1 0.6 48900 49800 8900 10500 0.3497
NJ2206E.TVP 30 62 20 1 1 48900 49800 2500 5000 0.25792
N306 30 72 19 1.1 1.1 35900 31900 7800 9200 0.3448
NJ306 30 72 19 1.1 1.1 35900 31900 7800 9200 0.3524
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 30 72 19 1.1 1.1 35900 31900 7800 9200 0.3459
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 0.381
NUP306 30 72 19 1.1 1.1 35900 31900 7800 9200 0.3695
NFP306 30 72 19 1.1 1.1 35900 31900 7800 9200 0.37
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 0.2367
NCL6/32V/P6 32 62 18 1.1 0.6 53400 56200 7000 8500 0.2367
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 35 72 17 1.1 0.6 31400 28900 8300 9900 0.294
NF207 35 72 17 1.1 0.6 31400 28900 8300 9900 0.3015
NJ207 35 72 17 1.1 0.6 31400 28900 8300 9900 0.2995
NJ207E 35 72 17 1.1 0.6 55710 55710 7800 9200 0.3263
NU207 35 72 17 1.1 0.6 31400 28900 8300 9900 0.2913
NUP207 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 0.4186
NJ2207E 35 72 23 1.1 0.6 61600 65200 6600 7900 0.4296
NUP2207E 35 72 23 1.1 0.6 61600 65200 6600 7900 0.4444
N307 35 80 21 1.5 1.1 46400 43000 7700 9200 0.4576
NF307 35 80 21 1.5 1.1 46400 43000 7700 9200 0.4736
NJ307 35 80 21 1.5 1.1 46400 43000 7700 9200 0.4806
NJ307/C3 35 80 21 1.5 1.1 46400 43000 1700 3400 0.48365
NJ307E 35 80 21 1.8 1.3 66500 65300 6600 7900 0.4872
NJ307EV/C4YA 35 80 21 1.5 1.1 78400 81000 6100 7400 0.5015
C3G42307EK 35 80 21 1.8 1.3 66500 65300 7700 9200 0.4872
NU307 35 80 21 1.5 1.1 46400 43000 7700 9200 0.4676
NU307EV1 35 80 21 1.5 1.1 71000 71000 6600 7900 0.51243
NUP307E 35 80 21 1.5 1.1 66500 65300 6600 7900 0.5234
NUP307EN 35 80 21 1.5 1.1 66500 65300 6600 7900 0.5371
NUP307EV 35 80 21 1.5 1.1 77500 79800 6600 7900 0.5139
NUP307EV/C3 35 80 21 1.5 1.1 77500 79800 6600 7900 0.5139
510148 35 80 23 1.1 0.6 65750 77600 6600 7900 0.571
NJ2307E 35 80 31 1.5 1.1 93000 100500 6600 7900 0.784
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     0.799
40 N208 40 80 18 1.1 1.1 43700 42900 7300 8700 0.3708
NF208 40 80 18 1.1 1.1 43700 42900 7300 8700 0.3838
NJ208 40 80 18 1.1 1.1 43700 42900 7300 8700 0.3973
NU208 40 80 18 1.1 1.1 43700 42900 7300 8700 0.3758
NUP208 40 80 18 1.1 0.6 43700 42900 7300 8700 0.3985
NUP208/P6 40 80 18 1.1 1.1 43700 42900 7300 8700 0.3986
NU2208E 40 80 23 1.1 1.1 72300 77600 2000 3800 0.51782
NJ2208E 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 0.5116
N308 40 90 23 1.5 1.5 58600 56900 6600 7900 0.6365
NF308 40 90 23 1.5 1.5 58600 56900 6600 7900 0.6699
NF308M/P6 40 90 23 1.5 1.5 58600 56900 6600 7900 0.7199
NJ308 40 90 23 1.5 1.5 58600 56900 6600 7900 0.6793
NJ308ETN1 40 90 23 1.5 1.5 83200 81500 1500 3000 0.6635
NJ308/C3 40 90 23 1.5 1.5 58600 56900 1500 3000 0.6793
NU308 40 90 23 1.5 1.5 58600 56900 6600 7900 0.6661
NUP308E 40 90 23 1.5 1.5 82200 80300 6100 7400 0.696
NUP308N 40 90 23 1.5 1.5 58600 56900 6600 7900 0.72078
NUP308EN 40 90 23 1.5 1.5 82200 80300 6100 7400 0.7254
NUP308ENV 40 90 23 1.5 1.5 97200 157100 5900 7000 0.7571
NJ2308E 40 90 33 1.5 1.5 113200 121100 5900 7000 1.037
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 1.061
45 N209 45 85 19 1.1 1.1 45900 46900 7100 8500 0.4188
NF209 45 85 19 1.1 1.1 45900 46900 7100 8500 0.4367
NF209/C3 45 85 19 1.1 1.1 45900 46900 7100 8500 0.4367
NF209E 45 85 19 1.1 1.1 63000 66400 6600 7900 0.47644
NJ209 45 85 19 1.1 1.1 45900 46900 7100 8500 0.4459
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 45 85 19 1.1 1.1 45900 46900 7100 8500 0.434
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 45 100 25 1.5 1.5 72900 69900 5900 7000 0.8239
NF309 45 100 25 1.5 1.5 72900 69900 5900 7000 0.8684
NF309M/P6 45 100 25 1.5 1.5 72900 69900 5900 7000 0.70829
NJ309 45 100 25 1.5 1.5 72900 69900 5900 7000 0.8749
NJ309E 45 100 25 1.5 1.5 99200 157100 5000 6000 0.9756
NU309 45 100 25 1.5 1.5 72900 69900 5900 7000 0.8518
NU309E 45 100 25 1.5 1.5 99200 157100 5000 6000 0.9799
NUP309 45 100 25 1.5 1.5 72900 69900 5900 7000 0.8944
NUP309N 45 100 25 1.5 1.5 72900 69900 5900 7000 0.91
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 0.9811
NUP309ENV/C3 45 100 25 1.5 1.5 110500 116100 4500 5300 0.97417
NUP309ENTN1 45 100 25 1.5 1.5 99200 157100 5000 6000 0.904
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 50 90 20 1.1 1.1 48100 50900 6600 7900 0.4752
NF210 50 90 20 1.1 1.1 48100 50900 6600 7900 0.4982
NF210C3 50 90 20 1.1 1.1 48100 50900 6600 7900 0.4982
NF210E 50 90 20 1.1 1.1 65900 71800 6200 7300 0.5312
NJ210 50 90 20 1.1 1.1 48100 50900 6600 7900 0.4864
NJ210E 50 90 20 1.1 1.1 65900 71800 6600 7900 0.5302
NJ210ETN/C3 50 90 20 1.1 1.1 65900 71800 6200 7300 0.4832
NU210 50 90 20 1.1 1.1 48100 50900 6600 7900 0.4734
NU210/P6 50 90 20 1.1 1.1 48100 50900 6600 7900 0.4734
NU210ETN/C3 50 90 20 1.1 1.1 65900 71800 6200 7900 0.4682
NUP210EN 50 90 20 1.1 1.1 65900 71800 6200 7900 0.5242
NUP210E 50 90 20 1.1 1.1 65900 71800 6200 7900 0.5262
NU2210ETN/C3 50 90 23 1.1 1.1 79500 91500 6200 7300 0.5497
NJ2210ETN1 50 90 23 1.1 1.1 79500 91500 1700 3300 0.5647
NJ2210E.TVP3.C3 50 90 23 1.1 1.1 77600 88600 1700 3300 0.568
NJ2210E.TVP3 50 90 23 1.1 1.1 77600 88600 1700 3300 0.568
NUP2210E 50 90 23 1.1 1.1 79500 91500 6200 7300 0.6366
N310 50 110 27 2 2 88900 88800 5400 6300 1. 0571
NF310 50 110 27 2 2 88900 88800 5400 6300 1.1012
NJ310 50 110 27 2 2 88900 88800 5400 6300 1.148
NJ310E 50 110 27 2 2 112100 116000 5000 6000 1.27325
NJ310N 50 110 27 2 2 88900 88800 5400 6300 1.153
NU310 50 110 27 2 2 88900 88800 5400 6300 1.1256
NUP310 50 110 27 2 2 88900 88800 5400 6300 1.2
NUP310NV 50 110 27 2 2 128200 144700 5400 6300 1.208
NUP310ENV/C3 50 110 27 2 2 128200 144700 5000 6000 1.208
NCL310 50 110 27 2 2 111300 122300 5400 6300 1.17
N410 50 130 31 2.1 2.1 132300 127600 5400 6300 2.26
NJ410 50 130 31 2.1 2.1 132300 127600 5400 6300 2.26
55 N211 55 100 21 1.5 1.1 57900 62200 6000 7100 0.6213
NF211 55 100 21 1.5 1.1 57900 62200 6000 7100 0.6537
NF211E 55 100 21 1.5 1.1 86100 98700 5400 6500 0.766
NJ211 55 100 21 1.5 1.1 57900 62200 6000 7100 0.6451
NJ211/C3 55 100 21 1.5 1.1 55710 32000 6000 7100 0.6451
NJ211E 55 100 21 1.5 1.1 86100 98700 5400 6500 0.6616
NJ211ECP 55 100 21 1.5 1.1 86100 98700 5400 6500 0.6616
NU211 55 100 21 1.5 1.1 57900 62200 6000 7100 0.6301
NU211E 55 100 21 1.5 1.1 86100 98700 5400 6500 0.7185
NUP211 55 100 21 1.5 1.1 57900 62200 6000 7100 0.6447
NUP211E 55 100 21 1.5 1.1 86100 98700 5400 6500 0.7606
NJ2211E 55 100 25 1.5 1.1 101200 121500 1500 3000 0.8936
NJ2211E/C3 55 100 25 2 1.1 101200 121500 5400 6500 0.8936
NUP2211EN/C3 55 100 25 1.5 1.1 101200 121500 5400 6500 0.8924
NF311E 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 55 120 29 2 2 138100 144300 4500 5300 1.637
NUP311EN 55 120 29 2 2 140500 147600 4500 5300 1.6676
NUP311ENV/C3 55 120 29 2 2 153800 165700 4500 5300 1.5923
60 N212 60 110 22 1.5 1.5 71800 79800 5400 6500 0.8216
NJ212 60 110 22 1.5 1.5 71800 79800 5400 6500 0.8361
NJ212E 60 110 22 1.5 1.5 96200 105600 5000 6000 0.9075
NU212 60 110 22 1.5 1.5 71800 79800 5400 6500 0.8222
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 60 130 31 2.1 2.1 124800 127800 4500 5400 1.869
NF312E 60 130 31 2.1 2.1 153100 162100 4100 4900 2.0267
NF312E/C3 60 130 31 2.1 2.1 153500 164600 4100 4900 2.0267
NU312E 60 130 31 2.1 2.1 135900 96000 4100 4900 1.99332
NJ312E 60 130 31 2.1 2.1 153100 162100 4100 4900 2.035
NUP312ENV/C3 60 130 31 2.1 2.1 185400 195200 4100 4900 1.892
N2312E 60 130 46 2.1 2.1 225500 266700 4200 5000 2.9921
NJ2312E 60 130 46 2.1 2.1 225500 266700 4200 5000 2.9822
65 N213 65 120 23 1.5 1.5 78800 87000 5000 6000 1.19
NF213 65 120 23 1.5 1.5 78800 87000 5000 6000 1.205
NJ213 65 120 23 1.5 1.5 78800 87000 5000 6000 1.22
NJ213E 65 120 23 1.5 1.5 15710 122300 4500 5400 1.14046
NU213 65 120 23 1.5 1.5 78800 87000 5000 6000 1.204
NUP213E 65 120 23 1.5 1.5 15710 122300 5000 6000 1.16646
NUP213EN/C4 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 2.3738
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 2.4228
NUP313ENV 65 140 33 2.1 2.1 212900 244900 4000 4700 2.2
70 N214 70 125 24 1.5 1.5 82100 93500 4800 5700 1.1377
NF214 70 125 24 1.5 1.5 82100 93500 4800 5700 1.1734
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 70 125 24 1.5 1.5 82100 93500 4800 5700 1.203
NJ214E 70 125 24 1.5 1.5 121000 140700 4500 5400 1.27262
NU214 70 125 24 1.5 1.5 82100 93500 4800 5700 0.845
NUP214E 70 125 24 1.5 1.5 121000 140700 4500 5400 1.306
NF314E 70 150 35 2.1 2.1 25710 226000 3700 4400 2.989
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 4.3467
75 N215 75 130 25 1.5 1.5 95100 15710 4500 5400 1.2043
NF215 75 130 25 1.5 1.5 95100 15710 4500 5400 1.2403
NJ215 75 130 25 1.5 1.5 95100 15710 4500 5400 1.2489
NU215 75 130 25 1.5 1.5 95100 15710 4500 5400 1.2178
NU215E 75 130 25 1.5 1.5 132200 160500 4200 5000 1.3242
80 N216 80 140 26 2 2 118600 141600 4200 5000 1.72
NJ216 80 140 26 2 2 108500 125900 4200 5000 1.79
NU216 80 140 26 2 2 118600 141600 4200 5000 1.75
85 NJ217 85 150 28 2 2 122800 144000 4000 4700 2.17

Packaging & Shipping

 

Company Profile

 

Our Advantages

Our Advantages:
1. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings: Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance: The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
5. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain. 
SAMPLES
1. Samples quantity: 1-10 PCS are available. 
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost. 
3. It’s better to start your order with Trade Assurance to get full protection for your samples order. 

CUSTOMIZED
The customized LOGO or drawing is acceptable for us. 

MOQ
1. MOQ: 10 PCS standard bearings. 
2. MOQ: 1000 PCS customized your brand bearings. 

OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield. 
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.

FAQ

 

1.What is the minimum order quantity for this product?
    Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.
2.What is your latest delivery time?
    Most orders will be shipped within 7-15 days of payment being received.
3.Does your company have quality assurance?
    Yes, for 1 years.
4.What is the competitiveness of your company’s products compared to other companies?
    High precision, high speed, low noise.
5.What are the advantages of your company’s services compared to other companies?
    Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.
6.Which payment method does your company support?
    Do our best to meet customer needs, negotiable.
7.How to contact us quickly?
    Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.

Please feel free to contact us, if you have any other question

 

 

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Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: 35mm-180mm
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Radial Bearing
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

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

What are the key advantages of using cylindrical roller bearings in various applications?

Cylindrical roller bearings offer several key advantages that make them a preferred choice in various applications. Let’s explore the significant benefits of using cylindrical roller bearings:

  • High Radial Load Capacity:

Cylindrical roller bearings are specifically designed to handle high radial loads. Their cylindrical roller arrangement and large contact area with the raceways enable them to distribute loads evenly along the rollers’ length. This characteristic allows cylindrical roller bearings to support heavy machinery components and handle substantial radial forces, making them suitable for applications where the primary load is radial in nature.

  • Moderate Thrust Load Capacity:

While their primary function is to carry radial loads, cylindrical roller bearings can also accommodate moderate axial loads. The arrangement of the cylindrical rollers and their contact angle with the raceways enables these bearings to handle limited thrust loads. However, it’s important to note that for applications with predominantly axial loads, other types of bearings, such as thrust bearings, may be more suitable.

  • High-Speed Capability:

Cylindrical roller bearings can operate at high speeds, depending on their design and internal clearance. Factors such as cage material, roller design, and lubrication play a role in determining the maximum allowable speed. The ability to operate at high speeds makes cylindrical roller bearings suitable for applications that require efficient and reliable rotation, such as electric motors, gearboxes, and machine tool spindles.

  • Application Versatility:

Cylindrical roller bearings find wide applications in various machinery and equipment. They are commonly used in rotating machinery, such as electric motors, gearboxes, pumps, and compressors. Cylindrical roller bearings are also utilized in industries such as automotive, aerospace, construction, and mining, where they support heavy loads and provide rotational motion in critical components. The versatility of cylindrical roller bearings makes them a preferred choice across different sectors.

  • Alignment and Compensation:

Cylindrical roller bearings have the ability to accommodate slight misalignments between the inner and outer rings. This feature allows for easier installation and helps compensate for mounting errors or shaft deflections during operation. The axial displacement capability of cylindrical roller bearings can also assist in thermal expansion or contraction of the shaft and housing. This ability to handle misalignment and axial displacement contributes to the overall reliability and longevity of machinery.

  • Durability and Longevity:

Cylindrical roller bearings are designed to withstand heavy loads, shocks, and vibrations encountered in various applications. They are manufactured with high-quality materials and undergo stringent quality control processes to ensure durability and reliability. Proper lubrication and maintenance further enhance their longevity and performance, making cylindrical roller bearings a dependable choice for demanding industrial environments.

In summary, cylindrical roller bearings offer significant advantages in terms of high radial load capacity, moderate thrust load capacity, high-speed capability, application versatility, alignment and compensation capabilities, and durability. These advantages make cylindrical roller bearings well-suited for a wide range of machinery applications, contributing to efficient operation, reduced downtime, and extended service life.

China factory CZPT Japan Made High Precision N2315em Nj2315em NF2315em Nu2315em Nup2315em N NF Nj Nu Series Bearings Cylindrical Roller Bearings   bearing blockChina factory CZPT Japan Made High Precision N2315em Nj2315em NF2315em Nu2315em Nup2315em N NF Nj Nu Series Bearings Cylindrical Roller Bearings   bearing block
editor by CX 2024-05-13