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GB/T 10445: Evolution and historical versions
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| GB/T 10445-2025 | English | 139 |
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Plain bearings - Shaft diameters for unsplit bushes
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GB/T 10445-2025
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| GB/T 10445-1989 | English | 119 |
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Plain bearings. Shaft diameters for unsplit bushes
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GB/T 10445-1989
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Basic data
| Standard ID | GB/T 10445-2025 (GB/T10445-2025) |
| Description (Translated English) | Plain bearings - Shaft diameters for unsplit bushes |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | J12 |
| Classification of International Standard | 21.100.10 |
| Word Count Estimation | 6,628 |
| Date of Issue | 2025-10-31 |
| Date of Implementation | 2026-02-01 |
| Older Standard (superseded by this standard) | GB/T 10445-1989 |
| Issuing agency(ies) | State Administration for Market Regulation and Standardization Administration of China |
GB/T 10445-2025: Plain bearings - Shaft diameters for unsplit bushes
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 21.100.10
CCSJ12
National Standards of the People's Republic of China
Replaces GB/T 10445-1989
Shaft diameter of integral bushing of sliding bearing
Published on 2025-10-31
Implemented on February 1, 2026
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents".
Drafting.
This document replaces GB/T 10445-1989 "Shaft Diameter of Integral Sleeves for Sliding Bearings". Compared with GB/T 10445-1989, except for the structural...
Aside from structural adjustments and editorial changes, the main technical changes are as follows.
---Added a series of shaft diameter sizes. 13, 17, 19, 24, and 63 (see Chapter 4, Chapter 2 of the 1989 edition).
Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.
This document was proposed by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Technical Committee on Standardization of Sliding Bearings (SAC/TC236).
This document was drafted by. China Machinery Productivity Promotion Center Co., Ltd., Hefei Bolin New Materials Co., Ltd., and Zhejiang Changsheng Sliding Shaft.
Cheng Co., Ltd., Zhejiang Zhongda Precision Components Co., Ltd., Luoyang Jiawei Bearing Co., Ltd., Zhuji Hongyuan Electric Machinery Co., Ltd.
Limited Liability Company, Shuangfei Oil-Free Bearing Group Co., Ltd., Zhejiang Jingli Bearing Technology Co., Ltd., Ningbo Boshi Peilin Machinery Co., Ltd.
Ningbo Chuanyuan Precision Machinery Co., Ltd.
This document is subject to interpretation by the National Technical Committee on Standardization of Sliding Bearings.
This document was first published in 1989, and this is its first revision.
Shaft diameter of integral bushing of sliding bearing
1 Scope
This document specifies the journal diameter series for integral bushing-fitted shafts.
This document applies to integral bushings of sliding bearings.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB/T 18323 Dimensions and tolerances of sintered bushings for sliding bearings
GB/T 23894 Sliding bearings - Copper alloy inlaid solid lubricated bearings
GB/T 39431 Sliding bearings containing dispersed solid lubricants
GB/T 39743 Dimensions and Tolerances of Thermoplastic Bushings for Sliding Bearings
3 Terms and Definitions
This document does not contain any terms or definitions that need to be defined.
4.Journal Diameter Series
Integral bushings include the integral bushings described in GB/T 18323, GB/T 23894, GB/T 39431, and GB/T 39743.
The series of shaft diameters for the mating shafts are shown in Table 1.
Table 1 Journal Diameter Series
The unit is millimeters.
journal
1.5 13 30 65 140
2.5 15 35 75 160
3 16 38 80 170
4 17 40 85 180
5 18 42 90 190
6 19 45 95.200
7 20 48 100 -
8 22 50 105 -
9 24 55 110 -
10 25 60 120 -
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