71905 CD/HCP4A Super Precision Angular Contact Ball Bearing with P4A Precision Grade and Hybrid Ceramic Balls for High Speed 70,000 rpm
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-3 weeks
Brand:
CNBTZC or OEM
Product Description
71905 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7905
71905 CD/HCP4A 25×42×9 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-capacity, single row angular contact ball bearing. The 71905 CD/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 CD/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 | 15° (25°, 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 | 0.039 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Load and Speed | |
| Dynamic Radial Load | 6760 N |
| Static Radial Load | 4000 N |
| Reference Speed For Grease (r/min) | 45,000 rpm |
| Limiting Speed For Oil (r/min) | 70,000 rpm |
Performance Features of 71905 CD/HCP4A Bearing
High Precision
Very tight tolerances suitable for precise machinery applications
Dual Load Capacity
Handles both radial and axial loads simultaneously
High-Speed Operation
Maintains stability at high rotational speeds
Energy Efficient
Low torque and friction for reduced energy consumption
Enhanced Rigidity
Maintains accuracy under heavy loads
Extended Durability
Long service life with reliable performance
Temperature Resilience
Effective performance across wide temperature range
Applications of the 71905 CD/HCP4A Bearing
The 71905 CD/HCP4A bearing is a versatile and reliable component used across a wide range of industries. It excels in demanding industrial environments where high reliability and performance are crucial.
Mechanical Processing Equipment
- Horizontal rubber machinery
- Leather processing devices
- Electronic component forming machines
- Beverage production lines
Industrial Applications
- Twisting testing machines
- Waste incinerators
- Industrial sewing machines
- Plastic pipe extrusion equipment
Machine Tool Spindle Bearings
Excels as a spindle bearing in machine tools, where its medium-speed heavy-duty capability and ultra-precision are crucial for machining centers and grinding machines.
| 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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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