1 Scope
This Standard specifies such technical requirements as tolerance, acceptance regulations, rust proof and package of standard used for rolling bearings and their parts inspection.
This Standard is applicable to standard with the following dimensions used for rolling bearing.
- Nominal inside diameter of standard used for rolling bearing cylindrical bore is 0.6 mm ~ 400 mm;
- Nominal outside diameter of standard used for rolling bearing cylinder is 2.5 mm ~ 500mm;
- Nominal inside diameter of standard used for rolling bearing tapered bore is less than or equal to 500mm;
- Diameter of standard used for outer ring raceway of tapered roller bearing is 18mm ~ 500mm;
- Diameter of standard used for inner ring raceway of tapered roller bearing is 18mm ~ 400mm;
- Width of standard used for rolling bearing width is less than or equal to 400mm;
- Nominal diameter of standard used for tapered roller is less than or equal to 120 mm.
2 Normative References
The following standards contain provisions which, through reference in this text, 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.
GB/T 8597-2003 Rolling bearings-Rust proof packaging
JJG (machinery) 147-1993 Rolling Bearings - Verification Regulation for Tapered Roller Standard
JJG (machinery) 148-1993 Rolling Bearings - Verification Regulation for Tapered Bore Standard
JJG (machinery) 153-1993 Rolling Bearings - Verification Regulation for Cylindrical Bore Standard
JJG (machinery) 154-1993 Rolling Bearings - Verification Regulation for Conoid Standard
3 Symbols (See Figure 1~Figure 8)
The following symbols are applicable to this Standard.
D - Nominal diameter of cylinder standard
De - Big end nominal diameter of conoid standard
Dw - Big end nominal diameter of tapered roller standard
d - Nominal diameter of cylindrical bore standard
de - Small end nominal diameter of tapered bore standard
d1 - Big end nominal diameter of tapered bore standard
H - Nominal dimension of width standard
rs - Single chamfer dimension
2α - Tapered angle of standard used for tapered bore, conoid and tapered roller
ΔDes - Big end single diameter deviation of conoid standard
ΔDs - Single diameter deviation of cylinder standard
Content
Foreword i
1 Scope
2 Normative References
3 Symbols (See Figure 1~Figure 8)
4 Tolerance Grade of Standard
5 Technical Requirements
5.1 Material and Hardness
5.2 Tolerance
5.3 Chamfer Dimension
5.4 Surface Roughness
5.5 Annual Dimension Variation
6 Acceptance Regulations
6.1 Verification
6.2 Quality Certificate
6.3 Acceptance
7 Marks
7.1 Content of Mark
7.2 Mark Position and Method
7.3 Mark Requirements
8 Rust Protection, Package and Storage
