K=Tapered Bore, Taper 1:12. B33=(W33-SKF)=W33=Lubrication Groove And Three Holes In Bearing Outer Ring. MB=Machined Brass Cage, Inner Ring Centered. J30=(Same As C3)=Internal Clearance Larger Than Normal.
Inner (d) Inch
Outer (D) Inch
Width (B) Inch
Description from Medias
Manufacturer Part Number (MPN)
23138.K.B33.MB.J30
Bore
K - 1:12 Tapered Bore (Standard for Most Types)
Seal
No Seal
Cage Type
M - Brass Cage
External Modification
Radial Internal Play
C3 Internal Play (Higher than Cn)
Precision
Standard Precision
Heat Stabilization
Special Treatment
No Heat Stabilization - Temperatures up to 120°C