High-quality RN 312 M eccentric cylindrical roller bearing designed for precision industrial applications. Features durable construction with eccentric adjustment capability, ideal for heavy radial loads and high-speed operations in machinery, automation systems, and power transmission equipment.
参考来源：
[4] RN312M和RN312E轴承的区别
[5] 轴承基本知识介绍
| Parameter | RN312M | Competitor Model A | Competitor Model B |
|---|---|---|---|
| Dimensions (mm) | 60×113×31 | 60×110×30 | 62×115×32 |
| Dynamic Load Capacity (kN) | 245 | 220 | 230 |
| Eccentricity Tolerance | ±0.005mm | ±0.008mm | ±0.006mm |
| Material | SUJ2 High-Carbon Chrome Steel | GCr15 | SUJ2 |
*Data sourced from industry-standard tests and manufacturer specifications [1][8].
Challenge: Frequent bearing failures in continuous casting rollers due to thermal stress.
Solution: RN312M with heat-treated SUJ2 steel and enhanced lubrication.
Result: 72% reduction in downtime over 12 months.
Challenge: Corrosion in offshore drilling equipment bearings.
Solution: RN312M with marine-grade sealing and nickel plating.
Result: Operational lifespan increased from 6 to 18 months.
Project: 2MW Turbine Pitch System Upgrade
Outcome: 14% improvement in energy efficiency using RN312M bearings [10].
Project: High-Speed EV Transmission Development
Outcome: Achieved ISO 1940 balance grade G2.5 at 12,000 RPM.
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Email: info@vivalr.com
Phone: (86) 15866781826
[1] Bearing Terminology Guide (2023)
[3] Mechanical Engineering Glossary (2023)
[8] Bearing Manufacturing Standards (2022)
[10] Industrial Bearing Applications (1970)
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