Standard No.:	JB/T 5303-2002
English Name:	Insert bearing units-Supplementary structure-Boundary dimensions
Chinese Name:	带座外球面球轴承 补充结构外形尺寸
Chinese Classification:	J11    Rolling bearing
Professional Classification:	JB    Professional Standard - Machinery
ICS Classification:	21.100.20 21.100.20    Rolling bearings 21.100.20
Source Content Issued by:	National Technical Committee on Standardization of Rolling Bearings
Issued on:	2002-07-16
Implemented on:	2002-12-1
Status:	superseded
Superseded by:	JB/T 5303-2019 Rolling bearings-Supplementary structure of insert bearing units-Boundary dimensions
Superseded on:	2020-4-1
Superseding:	JB/T 5303-1991
Target Language:	English
File Format:	PDF
Word Count:	3000 words
Translation Price(USD):	599.0
Delivery:	via email in 1 business day

1. Scope This standard specifies the structure types and boundary dimensions of insert bearing units with housing (hereinafter referred to as "insert bearing units") not specified in GB/T 7810-1995. This standard is applicable to Series 2 insert bearing units with high-center plummer block housing, shortened plummer block housing, adapting oval flange housing, 3 bolts flange housing and hanger housing and Series 3 insert bearing units with flanged square housing. 2. Normative References The following documents contain provisions which, through reference in this text, constitute provisions of this Standard. For dated reference, subsequent amendments to (excluding the corrections), or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For any undated references, the latest edition of the document referred to applies. GB/T 3882-1995 Rolling Bearings-Insert Bearings and Eccentric Looking Collars-Boundary Dimensions (neq ISO 9628: 1992) GB/T 7810-1995 Rolling Bearings-Insert Bearing Units-Boundary Dimensions JB/T 5302-2002 Housings for Insert Bearings-Supplementary Structure-Boundary Dimensions

Contents Foreword I 1. Scope 2. Normative References 3. Type 4. Symbols 5. Boundary Dimensions 6. Marking Appendix A (Informative) Correspondence between New and Old Codification of Insert Bearing Units