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71803 AC P4A GA 17X26X10 mm Super Precision Angular Contact Ball Bearing 7803

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71803 AC P4A GA 17X26X10 mm Super Precision Angular Contact Ball Bearing 7803

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Brand Name : CNBTZC or OEM

Model Number : 71803 AC P4A GA

Certification : IATF16949:2016

Place of Origin : China

MOQ : 1000

Price : Please contact us,thanks

Payment Terms : L/C,T/T

Supply Ability : 50000pcs per month

Delivery Time : 2-4 weeks

Packaging Details : plastic bag,box,carton,pallet

Part Number : 71803 AC P4A GA Angular Contact Ball Bearing

Structure : Angular Contact

Seals Type : Open (2RZ available)

Ring type : One-piece inner and outer rings

Replaceable With : SKF, NSK

Coating : Without

Sealing : Without

Contact type : Normal contact (two-point contact)

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71803 AC P4A GA 17X26X10 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing High Speed

Matched set of two super-precision, high-capacity , single row angular contact ball bearings

The 71803 AC P4A GA bearing,bore diameter is 17 mm, outside diameter is 26 mm,width is 10 mm,featuring precise dimensions, high static load capacity, P4 precision grade, delivers superior performance and reliability for applications requiring high rotational accuracy and stability.

Part Number 71803 AC P4A GA
Bearing Type Angular Contact
Measurement Unit Metric
Dimensions Inner Bore Diameter (d) 17 mm
Inner Bore Diameter Tolerance -0.004mm to 0
Outer Bore Diameter (D) 26 mm
Outer Bore Diameter Tolerance -0.005mm to 0
Width (B) 10 mm
Width Tolerance -0.2mm to 0
Specifications Contact Angle 25° (15°,40° Available)
Material Chrome Steel
Cage Material Phenolic
Number of Rows 2 (2*Single Row)
Seal Type Open
Temperature Range -30°C to 150°C
Lubrication Grease or Oil
Tolerance Class P4A
Weight 0.02 kg
Matched Arrangement Universal Matching
Universal Matching Bearing Yes,back-to-back (<>),face-to-face (><) or tandem (>>) DB,DF,DT 2 bearings
Preload EL/Extra Light/Class A
Load and Speed Dynamic Radial Load 4100 N
Static Radial Load 3000 N
Reference Speed For Grease (r/min) 48,000 rpm
Limiting Speed For Oil(r/min) 75,000 rpm

71803 AC P4A GA 17X26X10 mm Super Precision Angular Contact Ball Bearing 7803

71803 AC P4A GA 17X26X10 mm Super Precision Angular Contact Ball Bearing 7803

What's the Performance Features of 71803 AC P4A GA Bearing?

71803 AC P4A GA angular contact ball bearing is engineered for high-precision and high-performance applications. Its P4A precision grade ensures ultra-tight tolerances, meeting the stringent requirements of precise machinery. With a 25° contact angle (AC), it can handle radial and axial loads simultaneously, stable high-speed operation, and provides self-lubrication for energy efficiency. Made from premium heat-treated bearing steel, it offers enhanced rigidity for accurate performance under heavy loads, an extended service life, and reliable operation across a wide temperature range, making it ideal for aerospace, semiconductor, and other precision industrial systems.

What's the Applications of the 71803 AC P4A GA Bearing?

  • Precision Machining:CNC machines and grinder spindles, ensuring micron-level machining accuracy.
  • Semiconductor Manufacturing:Wafer processing equipment and lithography machines, meeting cleanroom requirements for low particle generation.
  • Aerospace:Gyroscopes and engine accessories, adapting to high-speed and extreme temperature environments.
  • Medical Devices:High-speed dental instruments and surgical robots, guaranteeing low friction and operational stability.
  • Industrial Automation:Robotic joints and servo motors, supporting combined radial/axial loads.
  • High-Speed Equipment:Centrifuges and drilling/milling machinery, suitable for scenarios up to 18,000 RPM.

High precision, high-speed stability, resistance to combined loads, and long service life make it a critical component in cutting-edge fields like semiconductors, aerospace, and healthcare.

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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