S71909 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and 25° Contact Angle Sealed on Both Sides
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-4 weeks
Brand:
CNBTZC or OEM
Product Description
S71909 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing 7909 2RZ
S71909 ACE/P4A 45×68×12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing
High Speed
Super-precision, high-speed B design, single row angular contact ball bearing with seals.
High Speed
Super-precision, high-speed B design, single row angular contact ball bearing with seals.
The S71909 ACE/P4A bearing features a bore diameter of 45 mm, outside diameter of 68 mm, and width of 12 mm. With precise dimensions, high static load capacity, and P4A precision grade, it delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
Technical Specifications
| Part Number | S71909 ACE/P4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions |
Inner Bore Diameter (d): 45 mm Inner Bore Diameter Tolerance: -0.006mm to 0 Outer Bore Diameter (D): 68 mm Outer Bore Diameter Tolerance: -0.007mm to 0 Width (B): 12 mm Width Tolerance: -0.2mm to 0 |
| Specifications |
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: 0.13 kg Matched Arrangement: No Universal Matching Bearing: No Preload: Not applicable |
| Load and Speed |
Dynamic Radial Load: 9750 N Static Radial Load: 6400 N Reference Speed For Grease (r/min): 25,000 rpm Limiting Speed For Oil (r/min): 39,000 rpm |
Performance Features
The 71909 ACE/P4A angular contact ball bearing is engineered for high-precision and high-performance applications, featuring:
- 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 71909 ACE/P4A bearing, as a high-precision angular contact ball bearing, features design characteristics such as P4-grade precision tolerances, a 25° contact angle, and stainless steel material. These attributes make it suitable for the following applications:
Precision Machine Tools and Processing Equipment
- Machine Tool Spindles: Used in high-speed, high-rigidity CNC machine tool spindle systems, supporting precision cutting and milling operations
- Specialized Machine Tools: Including metal welding machines, cut-off machines, and sliding guideways, ensuring stable equipment operation
- Tool Magazine Systems: Paired with machine tool magazines to enable rapid tool changes, enhancing automation efficiency
Industrial Machinery and Equipment
- Power Transmission Systems: Applied in heavy-duty equipment such as pile-driving machinery and friction welding machines, capable of withstanding combined loads
- Fluid Handling Equipment: Used in centrifugal pumps, process pumps, and wastewater treatment systems, adaptable to wet or corrosive environments
- High-Temperature/High-Speed Applications: Such as heat exchangers and hydrostatic guideways, relying on its sealed design and high-temperature resistance
Precision Instruments and Research Equipment
- Laboratory Equipment: Including mixing devices and magnetic separators, meeting requirements for high precision and low vibration
- Measurement Instruments: Such as mining surveying instruments, ensuring accurate data collection
Special Industrial Scenarios
- Printing and Textile Machinery: Used in textile finishing machines and auxiliary textile equipment, handling complex loads
- Chemical Equipment: Such as chemical laboratory reactors, resistant to chemically corrosive environments
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 |
If you need more detailed information, feel free to ask!
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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