Y=(Segment Cage Type, Code Y)=Pressed Brass Cage, Ball Centered. C78=Combination Of C70 And C08 ((Segment Precision, Code 08) Heightened Running Accuracy To ISO Tolerance Class 5., Abec.5 Or Rbec.5 Tolerance).
Inner (d) Inch
Outer (D) Inch
Width (B) Inch
Description from Medias
Manufacturer Part Number (MPN)
6309Y/C78
Bore
C - Cylindrical Bore
Seal
No Seal
Cage Type
Y - Pressed Brass Cage
External Modification
No External Modification
Radial Internal Play
Cn Normal Internal
Precision
78 - Combination of C70 + C08
Heat Stabilization
Standard Lubrication
Special Treatment
No Heat Stabilization - Temperatures up to 120°C