Q: What are the tolerance of the bearing?

Date:Jul 22,2015

A: Tolerance class ranges from common class 0 to 6, 5, 4 and 2, from low to high, The table below is the tolerance class stipulated in China GB307 and its comparison with some other standards.


                 COMPARISON OF TOLERANCE CLASS

country

Standard number

Tolerance class

CHINA

GB307

0G

6E

5D

4C

2B

ISO

ISO492

0

6

5

4

2

GERMANY

DIN 620/2

P0

P6

P5

P4

P2

USA

ANSI B3.14

ABEC1

ABEC3

ABEC5

ABEC7

ABEC9

TypeInfo: FRQ

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