NRB Needle Roller Bearing NA 4902


Item Code: NA 4902
Item Type: Cage-Guided Needle Roller Bearing (with Inner Ring)

Inner Diameter (ID): 15 mm
Outer Diameter (OD): 28 mm
Width (W): 13 mm

Inner Diameter without Inner Ring (F): 20 mm

SKU: NRB-I NA 4902 Category:


Caged Needle Bearing posses an outer ring made from through-hardened bearing steel. The cage guides the needles and retains them in the outer ring. The bearings may be used without an inner ring if the shaft journal serving as a raceway is of sufficient hardness and has the correct surface finish.

NRB Industrial (NIBL) Needle Roller Bearing is designed for high static and dynamic load capacities and has the ability to withstand overloading, shocks, and vibration.

NRB manufactures Needle Roller Bearings with and without inner rings.

Inner Diameter (ID)

Outer Diameter (OD)

Width (W)

Inner Diameter without Inner Ring (F)

Basic Dynamic Load Rating

Basic Static Load Rating

Speed Limit (with Oil)


15 mm

28 mm

13 mm

20 mm

12.0 kN

15.7 kN

20,000 r/min

0.036 kg

Additional information

Weight .036 kg


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