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GB/T 44751-2024 Active
GB/T 44751-2024 Fine ceramics—Silicon nitride materials for rolling bearing balls and rollers
Abstract
This document specifies the requirements for silicon nitride materials used in rolling bearing balls and rollers.
This document defines the physical and mechanical properties of silicon nitride materials used in rolling bearing balls and rollers. According to the material characteristics and microstructure, they are divided into three grades. Appendix C provides methods for sample preparation and microstructure analysis.
This document is applicable to processed rolling bearing balls and rollers.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 44751-2024 |
| CCS | Special ceramics |
| ICS | High-end ceramics |
| Implement Date | 2025-05-01 |
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