1 Scope
This standard specifies the tolerances for the Type 53000 and Type 53000U single-direction thrust ball bearings with sphered housing washer (hereinafter referred to as single-direction bearings) as well as Type 54000 and Type 54000U double-direction thrust ball bearings with sphered housing washer (hereinafter referred to as double-direction bearings); for the above bearings, their boundary dimensions shall meet the requirements of GB/T 301-1995 with their tolerance grade of Grade 0.
This standard is applicable to the manufacture, inspection and acceptance of bearings.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding amending errors in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of the normative document is applicable. For undated references, the latest edition of the normative document applies.
GB/T 301-1995 Rolling Bearings - Thrust Ball Bearings - Boundary Dimensions (neq ISO 104:1994)
Foreword I
1 Scope
2 Normative References
3 Symbols (See Figure 1~Figure 4)
Figure 1 Type 53000
Figure 2 Type 53000U
Figure 3 Type 54000
Figure 4 Type 54000U
4 Tolerance
Table 1 Bore diameter Tolerance for Shaft Washer (Central Washer)
Table 2 Outside Diameter Tolerance for Sphered Housing Washer
Table 3 Thickness Variation between the Shaft Washer (Central Washer) and Sphered Housing Washer Raceway and the Back Face
Table 4 Height Tolerance for Bearing
