S71910 CB/P4A Super Precision High Speed Single Row Angular Contact Ball Bearing with P4A Precision Grade
S71910 CB/P4A 50×72×12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing with high-speed capability.
Super-precision, high-speed B design, single row angular contact ball bearing with seals. Featuring precise dimensions, high static load capacity, P4A precision grade, delivering superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | S71910 CB/P4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Inner Bore Diameter (d) | 50 mm |
| Inner Bore Diameter Tolerance | -0.006mm to 0 |
| Outer Bore Diameter (D) | 72 mm |
| Outer Bore Diameter Tolerance | -0.007mm to 0 |
| Width (B) | 12 mm |
| Width Tolerance | -0.2mm to 0 |
| Contact Angle | 15° (25°, 40° Available) |
| Material | Chrome Steel |
| 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 | 0.14 kg |
| Dynamic Radial Load | 7800 N |
| Static Radial Load | 6300 N |
| Reference Speed For Grease (r/min) | 26,000 rpm |
| Limiting Speed For Oil (r/min) | 38,000 rpm |
- 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 S71910 CB/P4A bearing is a precision-grade product (P4A level) within the angular contact ball bearing category. Its applications are primarily concentrated in industrial scenarios that demand high rotational accuracy, high-speed performance, and excellent load-carrying capacity.
- Machine Tool Spindles: Used in high-precision spindle systems of CNC machines and machining centers, providing stable support at high rotational speeds
- Tool Magazines and Transmission Components: Such as tool magazines and feed mechanisms in machine tools, requiring low noise and high positioning accuracy
- RV Reducers: In robotic joints or precision reducers, meeting the demands of high torque and high-precision transmission
- Industrial Robot Joints: Suitable for robotic arms and other components requiring high repeatability and precise positioning
- Wind Turbines: Used in wind turbine main shafts, gearboxes, and other high-speed rotating components, withstanding heavy loads and vibrations
- Burners and Effluent Pumps: Applied in energy equipment under high-temperature and high-pressure conditions
- Electronic Winding Machines/Twisting Machines: Core components of high-speed precision winding equipment, requiring low friction and long service life
- Medical Equipment: Such as dental equipment, imaging instruments, and other high-cleanliness environments
- Printing Machinery: Used in printing press rollers and high-speed rotating components
- Packaging Machinery: Such as automatic strapping machines, sorting equipment, and other continuous operation scenarios
- Vacuum/Clean Environments: Used in semiconductor manufacturing equipment, optical instruments, and other contamination-sensitive scenarios
| CERTIFICATE | RoHS & REACH, IATF16949:2016 |
| Feature | High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity |
| Service | OEM&ODM Customized Services |
| Samples | Please Contact Us |
| Service | Online Support, Professional Service |
| Size | Standard, For custom sizes, please contact us |
| Factory Manufacturer | Yes |
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