1 Scope
This standard specifies specifications of general deep groove ball bearings (hereinafter referred to as sealed ball bearings) with contact-type and non- contact-type rubber seals in accordance with requirements of Series 0, 2 and 3 diameters in GB/T 276-1994.
This standard is applicable to production gauging and user acceptance.
2 Normative References
The following documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
Foreword I
1 Scope
2 Normative References
3 Technical Requirements
4 Measurement and Gauging Methods
5 Gauging Rules
6 Marking and Packaging
Appendix A (Normative) Technical Requirements of Grease Leakage Test
Appendix B (Normative) Technical Requirements of Temperature-rise Test
Appendix C (Normative) Technical Requirements of Dust Test
Appendix D (Informative) Grease Filling Amount of Sealed Ball Bearings
Appendix E (Informative) Chemical and Physical Quality Indexes of Lubricating Grease
