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Super Precision High Capacity Single Row Angular Contact Ball Bearing with P4 Precision Grade

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Super Precision High Capacity Single Row Angular Contact Ball Bearing with P4 Precision Grade

Structure : Angular Contact

Part Number : 71809 CD/P4 Angular Contact Ball Bearing

Lubrication : Grease,Oil

Design : High-capacity D

Coating : Without

Sealing : Without

Brand Name : CNBTZC or OEM

Model Number : 71809 CD/P4

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 : 2-3 weeks

Packaging Details : plastic bag,box,carton,pallet

Replaceable With : SKF, NSK 7809CTRP4

Seals Type : Open (2RZ available)

Ring type : One-piece inner and outer rings

Contact type : Normal contact (two-point contact)

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71809 CD/P4 Super Precision Single Row Angular Contact Ball Bearing 7809

71809 CD/P4 • 45×58×7 • 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, P4 precision grade, delivering superior performance and reliability for applications requiring high rotational accuracy and stability.

Technical Specifications
Part Number 71809 CD/P4
Bearing Type Angular Contact
Measurement Unit Metric
Inner Bore Diameter (d) 45 mm
Inner Bore Diameter Tolerance -0.006mm to 0
Outer Bore Diameter (D) 58 mm
Outer Bore Diameter Tolerance -0.007mm to 0
Width (B) 7 mm
Width Tolerance -0.2mm to 0
Contact Angle 15° (25°, 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 or Oil
Tolerance Class P4 (ABEC-7)
Weight 0.039 kg
Dynamic Radial Load 4880 N
Static Radial Load 5300 N
Reference Speed For Grease 22,000 rpm
Limiting Speed For Oil 34,000 rpm
Super Precision High Capacity Single Row Angular Contact Ball Bearing with P4 Precision Grade Super Precision High Capacity Single Row Angular Contact Ball Bearing with P4 Precision Grade
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 71809 CD/P4 bearing, a high-precision angular contact ball bearing, is designed with a 15° contact angle, P4-grade accuracy, and a CD combination structure, making it ideal for high-speed and high-precision applications.

  • Machine Tool Spindles: Used in grinding machines and machining centers for high-speed cutting and precision. Its P4 accuracy minimizes vibration, ensuring excellent surface quality.
  • High-Speed Motors: Ideal for industrial motors and turbo machinery, supporting reliable performance at high speeds.
  • Medical and Lab Equipment: Used in pharmaceutical machines, centrifuges, and vacuum pumps, offering low vibration and stable operation in clean 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

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