71908 ACE/P4A Super Precision Angular Contact Ball Bearing with 40 mm Bore Diameter and P4A Precision Grade for High Speed Applications
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-4 weeks
Brand:
CNBTZC or OEM
Product Description
71908 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing 7908
71908 ACE/P4A 40×62×12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing - High Speed
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.
Specifications
| Part Number | 71908 ACE/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 | 25° (15°, 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 | 0.1 kg |
Load and Speed Ratings
| Dynamic Radial Load | 9230 N |
| Static Radial Load | 5850 N |
| Reference Speed For Grease | 28,000 rpm |
| Limiting Speed For Oil | 44,000 rpm |
Performance Features
- 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 wide temperature range
Applications
The 71908 ACE/P4A high-precision angular contact ball bearing is designed for high-speed and high-accuracy requirements, finding applications across a broad range of industries including:
- Precision machinery
- Chemical and environmental protection equipment
- Construction and excavation machinery
- Automated production lines
- Food processing and textile machinery
- Medical devices
- New energy equipment
- Glass and engraving machinery
Certifications & Services
| 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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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Beining Intelligent Technology (Zhejiang) Co., Ltd
Location
No.502,Xinxing Third Road,Cixi Intelligent Home Appliance High Tech Industrial Development Zone, Zhejiang,China
Contact Person
Shelley Dong