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Bearing number Identification

Bearing number Identification


    We always call the different types of  bearing number,but actually what does mean it.For example 6001 2RS what does mean it,Lets see.



   6001 2RS

 
Above shows the number of bearing,So lets see 
(6)001 
6 Number shows that the which type of bearing. 6 number for Deep Grove ball bearing.

6(0)01 
0 This number shows the series of bearing which reflect the robustness of bearing.As inner and outer thickness usually increase along with the ball size.

0 Extra light
1 Extra light trust
2 Light
3 Medium
4 Heavy
9 Very thin section

60(01)
The 3rd and 4th bearing number shows the bore size of the bearing.00 to 03 have designated bore size depending on the number.
00 10mm
01 12mm
02 15mm
03 17mm

While the number more than 03 simply have a bore size multiplied with 5 times that of the 3rd and 4th digit.

6001 (2RS)
 
2RS Shows the rubber seal on both sides of bearing.
Only RS shows rubber seal on one side of bearing

2Z or ZZ

2Z or ZZ shows the metal seal on both sides of bearing.

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