NNN Products catalog - WAFANGDIAN ROLLING BEARING MAKING CO.,LTD - #9

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Text version of the page
THE CODE OF ROLLING BEARINGS
3.CHOICE OF BEARING DIMENSION
1
2
3
4
5
6
7
8
Inner structure
Seal,shield
and ring shape changed
Cage and
other material
Bearing material
Tolerance degree
Clearance
Arrangement
Other
Inner structure code:
A
AC B
C
(1)Double row deep groove ball bearing without filling slots (2)Double row angular contact ball bearing without filling slots Single row angular contact ball bearing with a 25o contact angle (1)Single row angular contact ball bearing with a 40o contact angle (2)Taper roller bearing with steep contact angle (1)Single row angular contact ball bearing with 15o contact angle
(2)Spherical roller bearing with a flangeless inner ring, symmetrical rollers, loose guide ring and
a pressed window-type steel cage Spherical roller bearing of C design, but with retaining flanges on the inner ring and a machined cage Spherical roller bearing of C design but with enhanced roller guidance Enhanced structure (inner structure design changed, increase bearing support load capability)
CA
CC
E
Seal, shield and outer shape changed code and outer shape changed code:
K K30 2K
N
NR 2RS 2RZ
Tapered bore, taper 1:12 Tapered bore, taper 1:30 Double taper bore,taper 1:12 Snap ring groove in the outer ring
Snap ring groove in the outer ring with appropriate snap ring Contact seal on both sides of the bearing Low-friction seal on both sides of the bearing
Cage and its material:
F3 FA FB M
MA MB
Q
L
T
J
W V
1
Cast iron cage
Machined steel or special cast iron cage; outer ring centred Machined steel or special cast iron cage; inner ring centred Brass machined cage Machined brass cage, outer ring centred Machined brass cage, inner ring centred Bronze machined cage Alloy machined cage Phenolil resin cage Brass sheet cage Welding cage
Full complement bearing (without cage)

pageCatalog pdf di En 2012-06-22-01