71905 ACD/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and 25° Contact Angle for High Speed Operation
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-3 weeks
Brand:
CNBTZC or OEM
Product Description
71905 ACD/P4A Super Precision Single Row Angular Contact Ball Bearing
71905 ACD/P4A 25×42×9 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing
High Speed
Super-precision, high-capacity, single row angular contact ball bearing featuring precise dimensions, high static load capacity, and P4A precision grade. Delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
Technical Specifications
| Part Number | 71905 ACD/P4A |
|---|---|
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| 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 |
| 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, Oil |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.042 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Dynamic Radial Load | 6370 N |
| Static Radial Load | 3800 N |
| Reference Speed For Grease (r/min) | 34,000 rpm |
| Limiting Speed For Oil (r/min) | 53,000 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 a wide temperature range
Applications
The 71905 ACD/P4A bearing is distinguished by its high precision and load capacity, making it indispensable in various industries:
- Industrial machinery such as gear hobbing machines, Roots pumps, and dryers
- Packaging and food processing equipment
- Laboratory and specialized devices including mixers and die-casting machines
- Fishing machinery and seam welders
Its preloading design and high-speed capabilities enhance performance and reliability across a broad spectrum of mechanical systems.
Certification & Services
| CERTIFICATE | RoHS & REACH, IATF16949:2016 |
|---|---|
| FEATURE | High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity |
| SERVICE | OEM & ODM Customized Services, Online Support, Professional Service |
| SAMPLES | Please Contact Us |
| 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