71908 CE/P4A Super Precision Angular Contact Ball Bearing with P4A Precision Grade 40x62x12 mm High Speed E Design
71908 CE/P4A 40×62×12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing
Super-precision, high-speed E design, single row angular contact ball bearing 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 | 71908 CE/P4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Inner Bore Diameter (d) | 40 mm |
| Inner Bore Diameter Tolerance | -0.006mm to 0 |
| Outer Bore Diameter (D) | 62 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 | Open |
| Temperature Range | -30°C to 150°C |
| Lubrication | Grease or Oil |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.11 kg |
| Dynamic Radial Load | 9750 N |
| Static Radial Load | 6000 N |
| Reference Speed For Grease | 32,000 rpm |
| Limiting Speed For Oil | 45,000 rpm |
Very tight tolerances suitable for precise machinery
Handles both radial and axial loads simultaneously
Stable performance at high rotational speeds
Low torque and friction for reduced energy consumption
Maintains accuracy under heavy loads
Long service life with reliable performance
Effective performance from -30°C to 150°C
- Industrial equipment and machinery
- Construction machinery
- Precision machining equipment
- High-temperature and high-speed rotating devices
- Medical and laboratory equipment
- Textile and packaging machinery
| Certifications | RoHS & REACH, IATF16949:2016 |
| Key Features | High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity |
| Services | OEM & ODM Customized Services, Online Support, Professional Service |
| Sizes | Standard sizes available, custom sizes upon request |
| Manufacturer | Factory Manufacturer |
Samples Available: Please contact us for product samples and customized solutions.
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