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General bearing type code indicating method
Source: China Bearing Network Time: 2018-02-13
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The general bearing type code indicates the method as shown in the table below.
General bearing type code indicating method
| The first type on the left of the new type code | Bearing type | The fourth number on the right side of the old type code | | 0 | Double row angular touch ball bearing | 6 | | 1 | Self-aligning ball bearing | 1 | | 2 | Spherical roller bearing | 3 | | 2 | Thrust spherical roller bearing | 9 | | 3 | Single row tapered roller bearing | 7 | | 35 | Double row tapered roller bearing | 7 | | 37 | Double row tapered roller bearing | 7 | | 38 | Four row tapered roller bearing | 7 | | 4 | Double row deep groove ball bearing | 0 | | 5 | Thrust ball bearing | 8 | | 56 | Thrust angle touch ball bearing | 8 | | 6 | Deep groove ball bearing | 0 | | 7 | Angular touch ball bearing | 6 | | 8 | Thrust cylindrical roller bearing | 9 | | 9 | Thrust tapered roller bearing | | | N | Single row cylindrical roller bearing | 2 | | NN | Double or multi-row cylindrical roller bearings | 2 | | U | Spherical ball bearing | 0 | | QJ | Four point touch ball bearing | 6 |
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Note: Adding letters or numbers before and after the code indicates that the bearing layout is different.
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