S71905 ACE/HCP4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and Hybrid Ceramic Balls for High Speed E Design
S71905 ACE/HCP4A 25×42×9 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-speed E design, single row angular contact ball bearing with seals.
The S71905 ACE/HCP4A bearing features a bore diameter of 25 mm, outside diameter of 42 mm, and width of 9 mm. With precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, it delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | S71905 ACE/HCP4A |
|---|---|
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions |
Inner Bore Diameter (d): 25 mm Inner Bore Diameter Tolerance: -0.005mm to 0 Outer Bore Diameter (D): 42 mm Outer Bore Diameter Tolerance: -0.006mm to 0 Width (B): 9 mm Width Tolerance: -0.2mm to 0 |
| Specifications |
Contact Angle: 25° (15°, 40° Available) Material: Hybrid (Chrome Steel Rings, Ceramic Balls) Cage Material: Phenolic Number of Rows: 1 Single Row Seal Type: Seal on both sides Temperature Range: -30°C to 150°C Lubrication: Grease Tolerance Class: P4A better than P4 (ABEC-7) Weight: 0.038 kg Matched Arrangement: No Universal Matching Bearing: No Preload: Not applicable |
| Load and Speed |
Dynamic Radial Load: 4940 N Static Radial Load: 2700 N Reference Speed For Grease: 52,000 rpm Limiting Speed For Oil: 83,000 rpm |
- Engineered for high-precision and high-performance applications
- Very tight tolerances suitable for precise machinery
- Ability to handle both radial and axial loads simultaneously
- High-speed operation with stability
- Low torque and friction for energy efficiency
- Enhanced rigidity for accuracy under heavy loads
- Durability with extended service life
- Effective performance across a wide temperature range
The S71905 ACE/HCP4A bearing is renowned for its superior performance and precision, making it essential in various industrial applications:
- Heavy industries: steel and aluminum production, chemical handling, cement and paper manufacturing
- Energy sector: wind turbines and construction machinery
- Automotive: engine performance and lifespan enhancement
- Mining and port equipment: improved safety and reliability
- Elevators, plastic machinery, compressors, and CNC machining centers
This bearing's versatility and high precision make it a crucial component across diverse and demanding industrial environments.
Certificates: RoHS & REACH, IATF16949:2016
Features: High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity
Services: OEM&ODM Customized Services, Online Support, Professional Service
Samples: Please Contact Us
Size: Standard (For custom sizes, please contact us)
Factory Manufacturer: Yes
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