JB/T 2974-1993 Supplementary provisions for the code method of rolling bearings JB/T2974-1993 standard download decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
JB/T 2974-93
Rolling bearings
Published on May 7, 1993
Supplementary provisions on the code method
Implemented on January 1, 1994
Ministry of Machinery Industry of the People's Republic of China
Subject content and scope of application
State Standard
General purpose rail bearing code
With attached shaft
Non-prohibited bearing code
Record A Stainless steel cage bearing code supplement) Appendix B Special bearing code supplement
Thank you for the standard inspection method supplement
Appendix New and old standard code comparison (reference)
· (18)
Standards of the People's Republic of China for the Machinery Industry
Supplementary provisions for the method of designating rolling bearings
1 Subject content and applicable scope
JB/T 297493
Code 74—al
National standard specifies the code for rolling bearings (the above are referred to as bearing codes, and the code for rolling bearings is subject to the provisions of the Ministry of Finance G272).
2 Reference standards
G15 272
0B3 273.1
(a 299
CB AIO
GB6445
CB/T 19754
JB3333
T5/T363
Z1 J11 C:1
Yan moving strong
stable dynamic shaft
rolling shaft complaint
said dynamic correction
limited dynamic profit
code team
Xiwei limited son fairy external training program
auxiliary secondary size small program
heart car external limit case
auxiliary mouth in the inner picture stop the preparation ball bearing size small to four friends dense state bottom external photo civil inch
four moments network certificate rolling flat chi mao shape person
roller case design bearing size small public examination
the must can bear
silver dynamic benefit Bin
condensation faction
wave bearing
rush stop external network with needle and single size program
roller plan and connect him ball to the joint bearing size company wave plan rent thrust ball Kai combination fan The outer dimensions are not operated by the frame. The new bearing outer dimensions are out and the three double-strength bearing outer dimensions are out and out. The bearing outer dimensions are
deep needle science and measurement columns are combined with the shaft outer dimensions. The small rolling solid continues
3 is generally used for over-extraction bearings. The busy number
and the technical specifications are
3.F is added according to the code (except for the 7th period, the general slow-motion bearings and the needle roller bearings). The types and the inner diameter codes are composed of the following: the auxiliary bearings are removed from the code. The related type codes and the shaft requirements are composed of the installation characteristics. The shaft requirements are composed of the inch series code, the code book changes to indicate the micro requirements for the installation characteristics of the inch less step GB272, the G22 package store's sealed series, the inner light code indicates the bearing installation characteristics of the wire size, and the special requirements are displayed. Table 1 table
Approved by the Ministry of Machinery Industry in 1993-0507
Implementation in 1994-0101
Yang Hongxin Tide Slip
There is a green and mouthless line
Protect the frame deep inside the explosion when
There is no side of the dramatic flow
There is an oil side
Figure has a single side
Often three when the figure of the trapped film flow ||t t||Medium light method
External solid without support beltbZxz.net
Lock and secure cage system
Strengthen the shaft
Inner light refraction on both sides
Non-level light protection
Double row reading nature
Super row can be flattened
JB/T297493
Row code
Chicheng Daisi|| tt||NDODDO
NJE'UODU
The lake center sent a point
School Sports Department
Learn snacks
Outside map line stop money fine network
Picture of many people
Aji Baoxing Haohan Zhenwu
Sexually separated from the sole successor
Yuan Kenbian Si Tou Reading Society
Shigeko Heqiu
(tt| ...
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.