K=Tapered Bore, Taper 1:12. E=Increased Load Capacity. M=Machined Brass Cage, Located On The Rolling Elements. W507=(Segment Lubr. Enhanc., Code W57)=Combination Of W4 (Mark High And Low Points Of Eccentricity On Face Of Rings) And W31 (Bearing Inspe
Inner (d) Inch
Outer (D) Inch
Width (B) Inch
Description from Medias
Manufacturer Part Number (MPN)
23138K EM W507 C08
Bore
K - 1:12 Tapered Bore (Standard for Most Types)
Seal
No Seal
Cage Type
M - Brass Cage
External Modification
Radial Internal Play
Cn Normal Internal
Precision
08 - Higher Running Acc. ISO Cl.5
Heat Stabilization
Special Treatment
No Heat Stabilization - Temperatures up to 120°C