K=Tapered Bore, Taper 1:12. M=Solid Brass Cage, Roller Guided. P42=Combination Of P4 (Dimensional & Running Accuracy To ISO Tolerance Class 4 (More Accurate Than P5)-Abec.7) And C2 (Bearing Internal Clearance Smaller Than Normal).
Inner (d) Inch
Outer (D) Inch
Width (B) Inch
Description from Medias
Manufacturer Part Number (MPN)
NN3019K.M.P42
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
C2 Internal Play (Less than Cn)
Precision
P4 Precision (Higher than P5)
Heat Stabilization
Special Treatment
No Heat Stabilization - Temperatures up to 120°C