Bearing Factory part numbers follow the Internationally recognised system for Metric Ball and Roller Bearings, but to help our customers we have produced this section to explain how part numbers are created.
Example Bearing Code:
|
6 |
2 |
06 |
-2RSNR |
C3 |
/VT143 |
|---|---|---|---|---|---|
|
Bearing Type |
Bearing Series |
Bore Code |
Additional Information |
Clearance Code |
Lubrication |
Bearing Type
This part of the code designates the Rolling Element Type, Inner and Out Race style, and Contact angle.
0 Double row angular contact ball bearing
1 Self-aligning ball bearing
2 Spherical roller bearing, spherical roller thrust bearing
3 Tapered roller bearing
4 Double row deep groove ball bearing
5 Thrust ball bearing
6 Single row deep groove ball bearing
7 Single row angular contact ball bearing
8 Cylindrical roller thrust bearing
QJ Four-point contact ball bearing
N Cylindrical roller bearing. Followed by additional letters to confirm Race Flange Configuration
Bearing Series
0 Extra Light
2 Light
3 Medium
4 Heavy
Bore Code
00 10mm
01 12mm
02 15mm
03 17mm
04 Onwards, Multiply by 5 e.g. 04 x 5 = 20mm 12 x 5 = 60mm
Additional Information
RS Single Rubber Seal
2RS Two Rubber Seals
Z Single Metal Shield
ZZ/2Z Two Metal Shields
NR Circlip Groove and Circlip in outer race
K Tapered Bore
Clearance
C1/C2 Clearance Smaller than Standard Clearance
Blank/CM Standard Manufacturing Clearances
C3/C4 Clearance Larger than Standard Tolerance
Lubrication
If your bearing has further marking here, please contact us to discuss your requirements, whilst they are relatively rare, there are far too many options to mention so we will be happy to explain what your code means as the same time as offering a bespoke quotation for your approval.
That said, some common options are listed on our website.