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
C1 Internal Play (Less than C2)
Precision
P4 Precision (Higher than P5)
Heat Stabilization
No Heat Stabilization - Temperatures up to 120 °C
Suffix description
KTapered Bore, Taper 1:12
MMachined Brass Cage, Located On The Rolling Elements
P41Combination Of P4 (Dimensional & Running Accuracy To ISO Tolerance Class 4 (More Accurate Than P5)-Abec.7) And C1, Radial Clearance And Reduced Levels Of Vibration
NARadial Clearance For Bearings With Non-Interchangeable Rings (Always After Radial Clearance Symbol e.g. NU215P63 NA)
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