71905 ACE/HCP4A Super Precision Angular Contact Ball Bearing 25x42x9 mm with Hybrid Ceramic Balls and P4A Precision Grade
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-3 weeks
Brand:
CNBTZC or OEM
Product Description
71905 ACE/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7905
71905 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. The 71905 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 | 71905 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 | Open |
| Temperature Range | -30°C to 150°C |
| Lubrication | Grease or Oil |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.036 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 (r/min) | 52,000 rpm |
| Limiting Speed For Oil (r/min) | 83,000 rpm |
Performance Features of 71905 ACE/HCP4A Bearing
- 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
Applications of the 71905 ACE/HCP4A Bearing
The 71905 ACE/HCP4A bearing is a high-precision and ultra-precision angular contact ball bearing designed for applications requiring exceptional accuracy and stability. It is prominently used in:
Machine Tool Industry
Multi-spindle drills and machining centers
Multi-spindle drills and machining centers
Semiconductor Industry
Silicon wafer fault detection
Silicon wafer fault detection
Marine Applications
Gyro stabilizers
Gyro stabilizers
Precision Machinery
Cutting equipment, multi-stage gearboxes, and business card printing machines
Cutting equipment, multi-stage gearboxes, and business card printing machines
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
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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