A=Cylindrical Roller Bearings, Parts Interchangeable. S=(W33-SKF)=Lubrication Groove And Three Holes In Bearing Outer Ring. K=Tapered Bore, Taper 1:12. M=Solid Brass Cage, Roller Guided. UP=Special Tolerance Class For Machine Tool Spindle Bearings; D
Inner (d) Inch
Outer (D) Inch
Width (B) Inch
Description from Medias
Manufacturer Part Number (MPN)
NN3012-AS-K-M-UP
Bore
K - 1:12 Tapered Bore (Standard for Most Types)
Seal
No Seal
Cage Type
M - Brass Cage
External Modification
No External Modification
Radial Internal Play
Cn Normal Internal
Precision
UP (Ultra Precision)
Heat Stabilization
Special Treatment
No Heat Stabilization - Temperatures up to 120°C