Bearing type code
The bearing type code is represented by 9 numbers or letters "0～8", see below for details.
Code Bearing type
0. Double row angular contact ball bearings
1. Self-aligning ball bearings
2. Spherical roller bearings and thrust spherical roller bearings
3. Tapered Roller Bearings
4. Double row deep groove ball bearings
5. Thrust ball bearings
6. Deep groove ball bearings
7. Angular contact ball bearings
8. Thrust cylindrical Roller Bearing
N. Cylindrical roller bearings (double or multiple rows are represented by the letters NN)
U. Outer spherical ball bearings
QJ. Four point contact ball bearings
Note: A letter or number is added after or before the code in the table to indicate the different structures of the bearing.
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