71908 ACB/HCP4A Super Precision High Capacity Angular Contact Ball Bearing with Hybrid Ceramic Balls
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-4 weeks
Brand:
CNBTZC or OEM
Product Description
71908 ACB/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7908
Product Overview
71908 ACB/HCP4A 40×62×12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-speed B design, single row angular contact ball bearing featuring precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls. Delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
Technical Specifications
| Part Number | 71908 ACB/HCP4A |
| 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 | Hybrid (Chrome Steel Rings, Ceramic Balls) |
| 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 | 5070 N |
| Static Radial Load | 3900 N |
| Reference Speed For Grease | 32,000 rpm |
| Limiting Speed For Oil | 50,000 rpm |
Performance Features
- 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 wide temperature range
Applications
- High-precision machine tools and processing equipment for enhanced machining precision and stability
- Automation and robotics for reliable and high-repeatability positioning
- Motors and drive systems to reduce energy consumption and temperature rise
- Special industrial equipment such as printing and metallurgical machinery to handle heavy loads and harsh conditions
- Aerospace and scientific instruments requiring extreme reliability under challenging environments
Certifications & Services
| Certificates | RoHS & REACH, IATF16949:2016 |
| Features | High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity |
| Service | OEM & ODM Customized Services |
| Samples | Please Contact Us |
| Support | Online Support, Professional Service |
| Size Availability | Standard sizes available, custom sizes upon request |
| Manufacturer | Factory Manufacturer |
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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