Angular contact ball bearing

We can produce the diameter from 10mm~240mm LHB single row angular contact ball  bearings. 10mm~110mm LHB 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 LHB different product descriptions.
A    30° contact angle
AC  25° contact angle
B  40° 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