PR4.058 Precision Combined Roller Bearings
Heavy-Duty Combined Load Bearing Solution
Technical Specifications
- Bearing Type: Combined radial-thrust roller bearing
- Material: Case-hardened 20CrMnTi alloy steel
- Bore Diameter (d): 45mm
- Outer Diameter (D): 92.8mm
- Width (B): 57mm
- Weight: 10.7kg (23.59lbs)
Engineering Features
- Dual Load Capacity: Engineered for simultaneous radial and axial loads
- Advanced Heat Treatment: Surface hardness 60-64 HRC with tough core
- Precision Manufacturing: ABEC-5/P5 class available
- Optimized Roller Profile: Reduced edge stress concentration
- Lubrication Versatility: Compatible with oil or grease systems
Performance Data
- Dynamic Load Ratings:
- Radial: 78kN
- Axial: 52kN
- Static Load Ratings:
- Radial: 112kN
- Axial: 75kN
- Speed Limits:
- 3,800rpm (grease)
- 5,200rpm (oil)
- Temperature Range: -20°C to +150°C
Quality Certification
- CE Marked
- ISO 9001:2015 Manufacturing
- 100% Dimensional Verification
- Material Traceability
Customization Options
- Special clearance/preload configurations
- Alternative cage materials (brass/polyamide)
- Corrosion-resistant surface treatments
- OEM branding and packaging solutions
Industrial Applications
- Heavy construction equipment
- Mining machinery components
- Large gearbox systems
- Industrial power transmission
- Specialized rolling mill applications
Ordering Information
- Trial samples available
- Mixed order quantities accepted
- OEM services offered
- Competitive wholesale pricing
For technical documentation or application engineering support, please contact our bearing specialists. Standard lead time 5-7 weeks for custom configurations.
To sent you the suitable price asap, we must know your basic requirements as below.
Bearing’s model number / quantity / material and any other special requirement on packing.
Sucs as: 608zz / 5000 pieces / chrome steel material
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