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Cylindrical roller bearing

Cylindrical roller bearing

Cylindrical roller bearing

Cylindrical roller bearings feature cylindrical rollers as rolling elements and are classified as separable bearings. The rollers and raceways engage in line contact, enabling high load-carrying capacity. Primarily designed to accommodate radial loads, these bearings exhibit minimal friction between the rolling elements and the flange of the bearing ring, making them suitable for high-speed rotation. They offer exceptional load-carrying capability and maximum rotational speeds.

Designation Principal dimensions Basic load ratings Speed ratings
dynamic static Reference speed Limiting speed
d[mm]
B[mm]
B[mm]
C[kN]
C0[kN]
[r/min]
[r/min]
  NJ 244 ECM   220   400   65   1060   1290   1700   1900
  NJ 244 ECML   220   400   65   1060   1290   1700   3000
  NU 1044 M   220   340   56   570   735   2200   2200
  NU 1044 ML   220   340   56   570   735   2200   3200
  NU 2244 ECML   220   400   108   1570   2280   1600   3000
  NU 2344 ECMA   220   460   145   2380   3450   1300   2200
  NU 2344 ECML   220   460   145   2380   3450   1300   2600
  NU 2344 ECN1MA   220   460   145   2380   3450   1300   2200
  NU 244 ECM   220   400   65   1060   1290   1700   1900
  NU 244 ECML   220   400   65   1060   1290   1700   3000
  NU 2944 ECMA   220   300   48   457   830   2400   3000
  NU 344 M   220   460   88   1210   1630   1500   1700
  NUP 244 ECML   220   400   65   1060   1290   1700   3000
  313221   240   440   120   1570   2500   1500   1700
  NJ 2248 MA   240   440   120   1450   2360   1500   2200
  NJ 2348 ECML   240   500   155   2750   4000   1200   2400
  NU 1048 M   240   360   56   600   800   2000   2000
  NU 1048 ML   240   360   56   600   800   2000   3000
  NU 2248 MA   240   440   120   1450   2360   1500   2200
  NU 2348 ECMA   240   500   155   2600   3650   1200   2000
  NU 2348 ECML   240   500   155   2750   4000   1200   2400
  NU 248 MA   240   440   72   952   1370   1600   2200
  NU 248 MA/C3   240   440   72   952   1370   1600   2200
  NU 348 M   240   500   95   1450   2000   1300   1600
  NU 348 MA   240   500   95   1450   2000   1300   2000

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