We can produce the diameter from 10mm~240mm single row angular contact ball bearings. 10mm~110mm double row angular contact ball bearings \sealed double row angular contact ball bearings and four point contact ball bearings etc, Following is the internal structure of different product descriptions we produce.

A 30 contact angle
AC 25 contact angle
B 0 contact angle
CA Bearing for universal matching. Two bearings arranged back-to-back or face-to-face will have an axial internal clearance smaller than Normal (CB) before mounting
CB (CB)Bearing for universal matching. Two bearings arranged back-to-back or face-to-face willl have a Normal axial internal clearance before mounting
CC Bearing for universal matching. Two bearings arranged back-to-back or face-to-face will have an axial internal clearance greater than Normal (CB) before mounting
dB Two bearings matched back-to-back
DF Two bearings matched face-to-face
DT Two bearings matched in tandem
E Optimized internal design
F Machined window-type steel cage, ball centred
GA Bearing for universal matching. Two bearings arranged back-to-back or face-to-face will have a light preload before mounting
GB Bearing for universal matching. Two bearings arranged back-to-back or face-to-face will have a moderate preload before mounting
GC Bearing for universal matching. Two bearings arranged back-to-back or face-to-face will have a heavy preload before mounting

J Pressed window-type steel cage, ball centred
M Machined window-type brass cage, ball centred
MB Machined brass cage, inner ring centred
N1 One locating slot (notch) in the large outer ring side face
N2 Two locating slots (notches), 180 apart, in the large outer ring side face
P Injection moulded window-type cage of glass fibre reinforced polyamide 6, 6, ball centred
pH Injection moulded window-type cage of glass fibre reinforced polyetheretherketone (PEEK), ball centred
P5 Dimensional and running accuracy to ISO tolerance class 5
P6 Dimensional and running accuracy to ISO tolerance class 6
W64 Solid Oil filling
Y Pressed window-type brass cage, ball centred