S71905 ACE/P4A Super Precision Angular Contact Ball Bearing with P4A Precision Grade 25x42x9 mm High Speed E Design
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-3 weeks
Brand:
CNBTZC or OEM
Product Description
S71905 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing 7905 2RZ
Product Overview
S71905 ACE/P4A 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 with seals. Featuring precise dimensions, high static load capacity, P4A precision grade, delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
Technical Specifications
| Part Number | S71905 ACE/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 | Seal on both sides |
| Temperature Range | -30°C to 150°C |
| Lubrication | Grease |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.042 kg |
| Dynamic Radial Load | 5070 N |
| Static Radial Load | 2650 N |
| Reference Speed For Grease | 44,000 rpm |
| Limiting Speed For Oil | 68,000 rpm |
Product Images
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 a wide temperature range
Applications
The S71905 ACE/P4A bearing is a high-precision angular contact ball bearing essential for various industries due to its reliability and performance. It is used in critical applications within:
- Steel, aluminum, chemical, and cement production
- Wind turbines and mining equipment for energy generation
- Automotive manufacturing for enhanced engine performance
- Speed regulation and power transmission systems
- Port machinery and metallurgical equipment
- Elevators, plastic machinery, and compressors
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, For custom sizes please contact us |
| 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