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Home > Products > Precision Ball Bearings > 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

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: 71809 CD/P4

Payment & Shipping Terms

Minimum Order Quantity: 1000

Price: Please contact us,thanks

Packaging Details: plastic bag,box,carton,pallet

Delivery Time: 2-3 weeks

Payment Terms: L/C,T/T

Supply Ability: 200000pcs per month

Get Best Price
Highlight:

71809 CD/P4 precision angular contact bearing

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super precision single row ball bearing

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7809 angular contact bearing with warranty

Part Number:
71809 CD/P4 Angular Contact Ball Bearing
Structure:
Angular Contact
Seals Type:
Open (2RZ Available)
Ring Type:
One-piece Inner And Outer Rings
Lubrication:
Grease,Oil
Replaceable With:
SKF, NSK 7809CTRP4
Coating:
Without
Sealing:
Without
Design:
High-capacity D
Contact Type:
Normal Contact (two-point Contact)
Part Number:
71809 CD/P4 Angular Contact Ball Bearing
Structure:
Angular Contact
Seals Type:
Open (2RZ Available)
Ring Type:
One-piece Inner And Outer Rings
Lubrication:
Grease,Oil
Replaceable With:
SKF, NSK 7809CTRP4
Coating:
Without
Sealing:
Without
Design:
High-capacity D
Contact Type:
Normal Contact (two-point Contact)
Super Precision High Capacity Single Row Angular Contact Ball Bearing with P4 Precision Grade
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
71809 CD/P4 Super Precision Angular Contact Ball Bearing technical diagram 71809 CD/P4 bearing close-up view showing construction details
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