PR4.056 Precision Combined Roller Bearings
High-Performance Bearing Solution for Complex Load Requirements
Technical Specifications
- Bearing Type: Combined roller bearing (radial+thrust)
- Material: 20CrMnTi alloy steel (case-hardened)
- Bore Diameter (d): 40mm
- Outer Diameter (D): 81.8mm
- Width (B): 48mm
- Weight: 1.1kg (2.43lbs)
Key Features & Benefits
- Dual-Function Design: Simultaneously handles radial and axial loads
- Premium Material: 20CrMnTi alloy provides superior strength and fatigue resistance
- Optimized Heat Treatment: Surface hardness 58-62HRC with tough core
- Precision Ground: ABEC-5 tolerance available (P5 class)
- Versatile Lubrication: Compatible with oil or grease systems
Performance Characteristics
- Dynamic Load Rating: 42kN radial / 28kN axial
- Static Load Rating: 64kN radial / 40kN axial
- Speed Limit:
- 4,500rpm (grease)
- 6,000rpm (oil)
- Temperature Range: -20°C to +150°C
Quality Assurance
- CE certified
- 100% dimensional inspection
- Vibration testing per ISO 15242-2
- Material certification available
Customization Options
- Special clearance/preload configurations
- Alternative sealing solutions
- Custom surface coatings
- OEM branding and packaging
Industrial Applications
- Machine tool spindles
- Heavy-duty gearboxes
- Construction equipment
- Mining machinery
- Specialized industrial drives
Ordering Information
- Sample bearings available for testing
- Mixed model orders accepted
- OEM services available
- Volume pricing discounts
For technical drawings or application engineering support, contact our bearing specialists. Standard lead time 4-6 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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