C3=Internal Clearance Larger Than Normal. UR=NSK’s ‘UR’ Carbonitrided Heat Treatment Enhances Bearing Fatigue Life Under Contaminated Environments Such As Ones Commonly Found In Gearboxes. 3=
Inner (d) Inch
Outer (D) Inch
Width (B) Inch
Description from Medias
Manufacturer Part Number (MPN)
63/28C3UR3
Bore
C - Cylindrical Bore
Seal
No Seal
Cage Type
S - Steel or Standard Cage
External Modification
No External Modification
Radial Internal Play
C3 Internal Play (Higher than Cn)
Precision
Standard Precision
Heat Stabilization
Standard Lubrication
Special Treatment
No Heat Stabilization - Temperatures up to 120°C