
This announcement involves 7 recommended national standards in the field of rolling bearings, as follows:
| NO.: | New Execution Standard Number | Standard Name | Substitute standard number | Effective date |
| 1 | GB/T 4605-2025 | Rolling bearing thrust needle and cage assembly and thrust washer | GB/T 4605-2003 | 2026-02-01 |
| 2 | GB/T 4662-2025 | Rolling bearings, ball bearings rated static load | GB/T 4662-2012 | 2026-02-01 |
| 3 | GB/T 5868-2025 | Rolling bearings, ball bearings installation dimensions | GB/T 5868-2003 | 2026-02-01 |
| 4 | GB/T 19673.1-2025 | Rolling bearings, ball bearings, sleeve type linear ball bearings, accessories Part 1: Dimensions, Product Geometric Specifications (GPS), and Tolerances for Series 1 and 3 |
GB/T 19673.1-2013 | 2026-02-01 |
| 5 | GB/T 19673.2-2025 | Rolling bearings, ball bearings, sleeve type linear ball bearings, accessories Part 2: Dimensions, Product Geometric Specifications (GPS), and Tolerances of the 5 Series |
GB/T 19673.2-2013 | 2026-02-01 |
| 6 | GB/T 27556-2025 | Rolling bearings, ball bearings, radial bearings, positioning groove dimensions, product geometric technical specifications (GPS), and tolerance values | GB/T 27556-2011 | 2026-02-01 |
| 7 | GB/T 25767-2025 | Rolling bearings, ball bearings, tapered rollers, customized bearings | GB/T 25767-2010 | 2026-02-01 |
The above are the implementation standards for our bearing production, which are consistent with EU standards and comply with ROHS and REACH certification standards