B=Modified Internal Construction. MB1=Single-Piece Solid Brass Cage, Guided On Central Rib. H140=(C08-SKF)=(Segment Precision, Code 08 + Segment Lubr. Enhanc., Code W53)=Improved Running Accuracy According to T52BW; - Highest Point Of Runout Marked O
Inner (d) Inch
Outer (D) Inch
Width (B) Inch
Description from Medias
Manufacturer Part Number (MPN)
239/630-B-MB1-H140-C3
Bore
C - Cylindrical Bore
Seal
No Seal
Cage Type
M - Brass Cage
External Modification
Radial Internal Play
C3 Internal Play (Higher than Cn)
Precision
08 - Higher Running Acc. ISO Cl.5
Heat Stabilization
Special Treatment
No Heat Stabilization - Temperatures up to 120°C