Table of Contents
1. Product Specifications & Comparison
Technical Parameters
Model |
Dimensions (mm) |
Dynamic Load Rating (kN) |
Static Load Rating (kN) |
Material |
M238849/M238810 |
76.2x136.525x44.45 |
325 |
480 |
SAE 52100 Steel |
JM738249/JM738210 |
82.55x149.225x47.625 |
395 |
585 |
Case-Hardened Alloy |
Performance Comparison
- 20% higher shock resistance in H2396xx series vs standard models [3]
- Sealed variants reduce lubrication frequency by 40% compared to open bearings
2. Key Applications & Functional Advantages
Automotive Clutch Systems
Optimized for:
- High-torque transmission shafts (300-500 N·m capacity)
- Thermal stability in 120-150°C operating ranges
- Vibration dampening in dual-mass flywheels
Industrial Advantages
- 50,000-hour MTBF in continuous operation [7]
- Interchangeable with ISO 355:2007 standards
3. Installation & Maintenance Guidelines
Mounting Procedures
- Clean surfaces with ASTM D417 solvent
- Apply EP2 lithium grease (min. 30% cavity fill)
- Use hydraulic press with <3 tons/cm² pressure
Lubrication Schedule
Service Condition |
Relubrication Interval |
Standard Duty |
5,000 operating hours |
Heavy Shock Load |
2,000 operating hours |
4. Industry-Specific Use Cases
Commercial Vehicle Solutions
- Clutch bearing replacement cycles extended from 150k to 250k miles in Class 8 trucks
- 60% reduction in warranty claims for European bus manufacturers
Agricultural Machinery
- 500+ combine harvesters operating in abrasive dust environments
- 3-year service life in grain conveyor systems
5. Verified Customer Implementations
Case Study 1: German Automotive Tier-1 Supplier
- Client Profile: 50,000+ annual clutch assemblies
- Results: 18% assembly time reduction through standardized bearing solutions
Case Study 2: Chinese Heavy Equipment OEM
- Application: 20-ton wheel loaders
- Outcome: 0.003% field failure rate over 3-year period
6. Technical Consultation & Procurement
Customization Services
- Special coatings: ARDROX 666D corrosion protection
- Non-standard dimensions (±0.5mm tolerance)
Contact Engineering Team
Email: info@vivalr.com
Phone: (86) 15866781826
Request Quotation
- MOQ: 500 units standard orders
- Lead Time: 15-30 days ex-works
[3] bearing是什么意思|bearing的音标|bearing的用法 - 英语词典
[7] Tapered Roller Bearings,Wheel Hub Bearing,Thrust Bearing
[8] 站长工具 - Bearing Manufacturer, Tapered Roller Bearing