NRB Needle Roller Bearing NK 556825


Item Code: NB 556825 (INA NK 55/68, IKO TAF 556825)
Item Type: Cage-Guided Needle Roller Bearing (without Inner Ring)

Inner Diameter (ID): 55 mm
Outer Diameter (OD): 68 mm
Width (W): 25 mm

SKU: NRB-I NB 556825 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)

Basic Dynamic Load Rating

Basic Static Load Rating

Speed Limit (with Oil)


55 mm

68 mm

25 mm

41.4 kN

93.6 kN

7,000 r/min

0.197 kg

Additional information

Weight 0.230 kg


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