Suffix meanings of SKF single row angular contact ball bearings

A

contact angle 30 °

AC

contact angle 25 °

B

contact angle 40 °

CA

universal distribution groups bearing, in back-to-back or face-to-face when its configurations, axial internal clearance smaller than normal

CB

universal distribution groups bearing, in back-to-back or face-to-face when its configurations, axial clearance for a common group

CC

universal distribution groups bearing, in back-to-back or face-to-face when its configurations, axial internal clearance larger than normal

DB

two back-to-back bearing

DF

two face-to-face bearings

DT

two bearing pairs arranged in tandem

E

optimized internal design

F

machined steel cage

GA

bearing the universal distribution group, in back-to-back or face-to-face when configured with light preload

GB

universal distribution group bearings in back-to-back or face-to-face when configured with preloaded

GC

universal distribution groups bearing, when configured in back-to-back or face-to-face with heavy preload

J

a pressed steel cage, ball Guide

M

machined brass cage, ball Guide, design m with the number of different identities, such as M1

N1

a locating grooves in the outer ring

N2

outer ring with two locating slots, each other into a 180 °

P

plastic cages of glass fibre reinforced polyamide 6,6, ball Guide

P5

Size accuracy and P5 running accuracy in accordance with ISO tolerance class 5

P6

Dimensional precision of the P6 and running accuracy in accordance with ISO tolerance class 6

W64

bearings with solid oil

Y

brass window-type cage of pressed steel cage, ball Guide