1 Scope
This standard specifies the technical requirements, measuring methods, inspection rules and packaging and marking etc. for insert bearing units (hereinafter referred to as the "plummer block").
This standard is applicable to the production, inspection and customer acceptance of plummer blocks with the boundary dimensions conforming to GB/T 7810 and JB/T 5303.
2 Normative References
The following documents contain provisions which, through reference into this standard, constitute provisions of this standard. At time of publication, the editions indicated are valid. All the standards will be revised, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of the following standards are applicable.
GB/T 307.2-1995 "Rolling Bearings; Tolerances Gaging Practice"
GB/T 7324-1994 "General Purpose Lithium Lubricating Grease"
GB/T 7810-1995 "Rolling Bearings - Insert Bearing Units - Boundary Dimensions"
GB/T 8597-1988 "Rolling Bearings - Packaging and Packing"
JB/T3574-1997 "Rolling Bearings - Marking for Products"
JB/T 5303-1991 "Insert Bearing Units - Supplementary Structure - Boundary Dimensions"
JB/T 6363-1992 "Pressed Housing of Insert Bearings - Technical Specifications"
JB/T 6641-1993 "Rolling Bearings - Residual Magnetism and Its Assessment Method"
JB/T 8876 2000 "Rolling Bearings - Cast Housings for Insert Bearings - Specifications"
JB/T 8919-1999 "Rolling Bearings - Insert Bearings and Eccentric Locking Collars - Specifications"
JB/T 8921-1999 "Rolling Bearings and Commercial Parts - Inspection Rules"
Contents
Foreword I
1 Scope
2 Normative References
3 Symbols
4 Technical Requirements
5 Measuring Methods
6 Symbol
7 Inspection Rules
8 Rust Prevention and Packaging
