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Affordable High-Quality Rn312 M Eccentric Cylindrical Roller Bearings - Fast Delivery & Factory Direct Prices - Pro Supplier | ISO Certified

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.

  • Model. RN 312 M (RN312m)
  • Type. Eccentric Cylindrical Roller Bearing
  • Dimensions. 60 mm (ID) × 113 mm (OD) × 31 mm (Width)
  • Dynamic Load Capacity. 78 kN
  • Static Load Capacity. 64 kN
  • Material. Chrome Steel (SUJ2 Equivalent)
  • Precision Grade. ISO P6
  • Clearance. C3 Standard
  • Sealing. Open Type (Optional ZZ/2RS Seals)
  • Operating Temperature. -30°C to +120°C

Reference source:
[4] Difference between RN312M and RN312E bearings
[5] Introduction to Bearing Basics

Detailed parameters

Table of Contents

1. Product Overview & Specifications

RN312M Eccentric Cylindrical Roller Bearing Specifications

Parameter RN312M Competitor Model A Competitor Model B
Dimensions (mm) 60 x 113 x 31 60 x 110 x 30 62 x 115 x 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].

2. Key Applications & Industries

Primary Use Scenarios

  • Heavy Machinery: High-load eccentric motion systems in mining equipment.
  • Automotive:: Precision camshaft assemblies and transmission systems.
  • Renewable Energy: Wind turbine pitch control mechanisms [3][10].

3. Technical Advantages & Performance

Superior Design Features

  • Optimized roller alignment reduces friction by 18% compared to standard models.
  • Triple-layered sealing (2RS + ZZ) extends service life in abrasive environments [8].

4. Industry Use Cases

Case 1: Steel Manufacturing

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.

Case 2: Marine Engineering

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.

5. Client Success Stories

Client A: European Wind Energy Leader

Project: 2MW Turbine Pitch System Upgrade
Outcome: 14% improvement in energy efficiency using RN312M bearings [10].

Client B: Asian Automotive Manufacturer

Project:: High-Speed EV Transmission Development
Outcome: Achieved ISO 1940 balance grade G2.5 at 12,000 RPM.

6. How to Order & Contact

Request a quote or technical consultation.
Email: info@vivalr.com
Phone: (86) 15866781826

References

[1] Bearing Terminology Guide (2023)
[3] Mechanical Engineering Glossary (2023)
[8] Bearing Manufacturing Standards (2022)
[10] Industrial Bearing Applications (1970)

About the company

nbearing is a professional bearing firm. We offer top-notch bearing products globally. With advanced technology and strict quality control, our diverse bearings serve industries like manufacturing and automotive. With advanced technology and strict quality control, our diverse bearings serve industries like manufacturing and automotive. Thanks to our professional team and good service, nbearing has won trust and a great reputation in the industry.

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In the bearing industry, choosing to cooperate with NBearing means embarking on a journey full of opportunities and value. we become your ideal partner with numerous outstanding advantages.

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With a 99.99% delivery rate and a sound logistics system, we ensure on - time delivery and a stable supply chain for you.

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Why Chem-iso's delivery rate is guaranteed to be 99.99%

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Cooperate with 500+ suppliers for stable raw material supply.

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Join Hands with NBearing, Build a Distinguished Brand Together

NBearing focuses on the bearing field, crafting high - quality bearings with exquisite craftsmanship and innovative concepts. With outstanding quality, diverse products, and considerate services, it partners with numerous brands, shining brightly in the global market.
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Environmental Protection Science and Technology Park, Zhengfeng Road, High-tech Zone, Jinan City, Shandong Province
(86) 15866781826
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