Bearing Tolerance
The bearings tolerance or dimension accuracy are regulated by "ISO492" standard with:0 Grade;6 Grade 5 Grade;4 Grade;2 Grade.Class 0 corresponds to normal precision class bearings, and precision becomes progressively higher as the class number becomes smaller; i.e., Class 6 is less precise than Class 5, which is less precise than Class 4, and so on.
The Interchange Table Of Bearings Tolerance Of National Standards:
Unit:MM
Tolerance For Radial Bearings Except Tapered Roller Bearings Inner Ring
Unit：UM
Unit：UM
Unit：UM
Unit:UM
Tolerance For Radial Bearings Except Tapered Roller Bearings Outer Ring
Unit：UM
Unit:UM
Unit:UM
Unit:UM
