This standard specifies the technical requirements for finished products of double row cylindrical roller bearings for spindles of machines (hereinafter referred to as bearings) with boundary dimensions consistent with GB/T 285, tolerance grade of Grades 5, 4 and 2 and that of Grade SP and Grade UP.
This standard is applicable to double row cylindrical roller bearings for spindles of machines.
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 307.1-2005 Rolling Bearings - Radial Bearings - Tolerances (ISO 492:2002, MOD)
GB/T 307.2-2005 Rolling Bearings - Measuring and Gauging Principles and Methods (ISO 1132-2:2001, Rolling Bearings - Tolerances - Part2: Measuring and Gauging Principles and Methods, MOD)
GB/T 307.3-2005 Rolling Bearings - General Technical Regulations
GB/T 4604-1993 Rolling Bearings - Radial Internal Clearance (eqv ISO 5753:1991)
GB/T 4661-2002 Rolling Bearings - Cylindrical Roller
GB/T 7811-1999 Rolling Bearings - Symbols for Quantities
