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Product specification:

Brand Name                                 : FAG Bearing

Part Number                                : NJ306-E-M1-C3

Material                                        : Brass/Bronze Cage

Tolerence Held                            : Standard Tolerence

Measurement System                : Metric

Bore Diameter                             : 30 millimeters

Item Diameter                             : 72 millimeters

Width                                            : 19 millimeters

Static Load Capacity                  : 48 kilonewtons

Dynamic Load Capacity            : 61 kilonewtons

Weight                                          : 10 pounds

EAN                                               : 4012801383431

Number of Items                         : 1

UNSPSC Code                              : 31171500


Product features:

  • Single row cylindrical roller bearing for applications that support high radial loads
  • C3 radial clearance allows thermal expansion for continuous operating temperatures up to 120 degrees C/248 degrees F
  • Semi-locating bearing (two ribs on the outer ring, one rib on the inner ring) for supporting axial forces in one direction
  • Brass cage evenly spaces rollers for reduced friction, vibration, and noise
  • Removable inner ring in open bearing allows for lubrication in place


Product description:

This FAG single row cylindrical roller bearing with a brass cage and removable inner ring is suitable for applications that support high radial loads. It has a C3 radial internal clearance designation to indicate that the radial slack between the inner and outer rings is greater than CN (normal) and the press fit inner and outer rings can withstand a large temperature differential. This clearance allows for thermal expansion as the bearing supports radial loads and its cylindrical rollers reduce rotational friction. This cylindrical roller bearing can support heavier loads than bearings with comparable-sized ball bearings because the cylindrical shape of the rollers provides more surface area for distributing the load, and it also has a larger roller set than the standard roller design. This cylindrical roller bearing can be used to a maximum operating temperature of 150 degrees C/302 degrees F, although continuous operating temperatures should not exceed 120 degrees C/248 degrees F. The inner and outer rings and cylindrical rollers are made of a low-alloy, through-hardened chromium steel for durability, heat tolerance, and resistance to deformity under heavy loads. The bearing is semi-locating, with two ribs on the interior circumference of the outer ring and one rib on the exterior circumference of the inner ring, for supporting axial forces in one direction. The brass alloy cage prevents the rollers from coming into contact with each other during use, reducing friction, vibration, and noise. A removable inner ring in the open bearing allows for lubrication. This cylindrical bearing is for use in a broad range of applications where high radial loads are present such as in conveyer belts, traction motors, railway car axle boxes, and oilfield mud pumps, among others.

Main bearing dimensionsDIN 5412-1
Basic dynamic load ratingsDIN ISO 281
C3 radial internal clearanceDIN 620-4 (ISO 5 753)
Shaft and housing tolerancesISO 286
Through-hardening steel for inner and outer ringsISO 683-17
System for creating part numbers for rolling bearingsDIN 623-1

NJ306E-M1-C3 Cylindrical Roller Bearing

: Cylindrical Roller Bearing