Cylindrical Roller Bearing

Double Row Full Complement Cylindrical Roller Bearing

A double row full complement cylindrical roller bearing is a kind of cylindrical roller bearing. Double row full complement cylindrical roller bearings are designed to withstand heavy loads. Under the same width, this kind of bearing has a very high load carrying capacity compared with the traditional bearing with a cage; the radial section is small and can save space, but the speed is relatively low. Our double row full complement cylindrical roller bearings incorporate a maximum number of rollers, as they are not equipped with a cage. You can get three open bearings (NNCL, NNCF, and NNC design) and NNF design sealed bearings.

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A double row full complement cylindrical roller bearing is a kind of cylindrical roller bearing. Double row full complement cylindrical roller bearings are designed to withstand heavy loads. Under the same width, this kind of bearing has a very high load carrying capacity compared with the traditional bearing with a cage; the radial section is small and can save space, but the speed is relatively low. Our double row full complement cylindrical roller bearings incorporate a maximum number of rollers, as they are not equipped with a cage. You can get three open bearings (NNCL, NNCF, and NNC design) and NNF design sealed bearings.

Bearing Parameters

Bearing NO. Interchangeable NO. Boundary dimensions
(mm)
Mass
(kg)
EPT d D B
SL18 5004 NNCF 5004 CV 20 42 30 0.2
SL18 5005 NNCF 5005 CV 25 47 30 0.23
SL18 5006 NNCF 5006 CV 30 55 34 0.35
SL18 5007 NNCF 5007 CV 35 62 36 0.46
SL18 5008 NNCF 5008 CV 40 68 38 0.56
SL18 5009 NNCF 5009 CV 45 75 40 0.71
SL18 5010 NNCF 5010 CV 50 80 40 0.76
SL18 5011 NNCF 5011 CV 55 90 46 1.15
SL18 4912 NNCF 4912 CV 60 85 25 0.48
SL01 4912 NNC 4912 CV 60 85 25 0.49
SL02 4912 NNCL 4912 CV 60 85 25 0.47
SL18 5012 NNCF 5012 CV 60 95 46 1.25
SL18 5013 NNCF 5013 CV 65 100 46 1.3
SL18 4914 NNCF 4914 CV 70 100 30 0.77
​SL01 4914 NNC 4914 CV 70 100 30 0.78
SL02 4914 NNCL 4914 CV 70 100 30 0.75
SL18 5014 NNCF 5014 CV 70 110 54 1.85
SL18 5015 NNCF 5015 CV 75 115 54 1.95
SL18 4916 NNCF 4916 CV 80 110 30 0.87
SL01 4916 NNC 4916 CV 80 110 30 0.88
SL02 4916 NNCL 4916 CV 80 110 30 0.85
SL18 5016 NNCF 5016 CV 80 125 60 2.6
SL18 5017 NNCF 5017 CV 85 130 60 2.7
SL18 4918 NNCF 4918 CV 90 125 35 1.35

Series of double row full complement cylindrical roller bearings

Popular types of Double row full complement cylindrical roller bearings:

  • NNCL design (open)
  • NNCF design (open)
  • NNC design (open)
  • NNF design sealed bearings

Features of double row full complement cylindrical roller bearings

  • High load carrying capacity
    Bearings without a cage incorporate a maximum number of rollers. Therefore, double row full complement cylindrical roller bearings are suitable for weighty radial loads because of their second row of rollers.
  • High stiffness
    The increased number of rollers increases radial stiffness.
  • Long service life

Applications of double row full complement cylindrical roller bearings

Double row full complement cylindrical roller bearings can withstand large radial and axial loads and resist overturning moments. Therefore, the length is used as a fixed bearing. If the same several bearings are installed on a shaft, the outer ring can have different rotation speeds because the outer ring is narrower than the inner ring. To make the pulley easy to fix to the outer ring of the bearing, there are annular grooves on both ends of the outer ring that can be fitted with elastic retaining rings. This is somewhat suitable for the pulley mechanism.

Double row full complement cylindrical roller bearings are industry interchangeable with size numbered bearings and are used in such applications as accumulator sheaves, gearboxes, and walking beam furnace eccentrics.