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S71909 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and 25° Contact Angle Sealed on Both Sides
S71909 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and 25° Contact Angle Sealed on Both Sides
Specifications
Structure :
Angular Contact
Ring type :
One-piece inner and outer rings
Coating :
Without
Seals Type :
Sealed,Seal on both sides,2RZ
Brand Name :
CNBTZC or OEM
Model Number :
S71909 ACE/P4A
Certification :
IATF16949:2016
Place of Origin :
China
MOQ :
1000
Price :
Please contact us,thanks
Payment Terms :
L/C,T/T
Supply Ability :
200000pcs per month
Delivery Time :
2-4 weeks
Packaging Details :
plastic bag,box,carton,pallet
Lubrication :
Grease
Part Number :
S71909 ACE/P4A Angular Contact Ball Bearing
Sealing :
Without
Contact type :
Normal contact (two-point contact)
Replaceable With :
SKF, NSK S7909A5TRV1VP4
Design :
High-speed E
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.
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
S71909 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and 25° Contact Angle Sealed on Both Sides S71909 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and 25° Contact Angle Sealed on Both Sides
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!
S71909 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and 25° Contact Angle Sealed on Both Sides
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S71909 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and 25° Contact Angle Sealed on Both Sides

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Product Detail
Structure :
Angular Contact
Ring type :
One-piece inner and outer rings
Coating :
Without
Seals Type :
Sealed,Seal on both sides,2RZ
Brand Name :
CNBTZC or OEM
Model Number :
S71909 ACE/P4A
Contact Supplier
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S71909 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and 25° Contact Angle Sealed on Both Sides

Beining Intelligent Technology (Zhejiang) Co., Ltd

Verified Supplier
2 Years
zhejiang
Since 2013
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter, Seller
Main Products :
Precision Ball Bearings, Angular Contact Ball Bearings, LED Flashing Necklaces
Total Annual :
30000000-+
Employee Number :
200~+
Certification Level :
Verified Supplier
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