K=Tapered Bore, Taper 1:12. MB=Solid Brass Cage, Guidance On Inner Ring. C4=Bearing Internal Clearance Greater Than C3. J48BB=(Segment Precision, Code J4)=Diamond Like Carbon Coating Of The Rolling Elements.(Triondur C) This Very Hard Coating Prevent
Inner (d) Inch
Outer (D) Inch
Width (B) Inch
Description from Medias
Manufacturer Part Number (MPN)
231/560KMBC4J48BBT52B
Bore
K - 1:12 Tapered Bore (Standard for Most Types)
Seal
No Seal
Cage Type
M - Brass Cage
External Modification
Radial Internal Play
C4 Internal Play (Higher than C3)
Precision
08 - Higher Running Acc. ISO Cl.5
Heat Stabilization
Special Treatment
No Heat Stabilization - Temperatures up to 120°C