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Super Precision Angular Contact Ball Bearings 71902 CEGB/P4A

Super Precision Angular Contact Ball Bearings 71902 CEGB/P4A

The 71902 CEGB/P4A is a super precision angular contact ball bearing with a compact size of 15mm by 28mm by 7mm, crafted from durable chrome steel. It features a 15° contact angle and is designed for light preload applications.

This bearing handles radial loads up to 718 lbf and can reach speeds of 140,000 RPM, making it suitable for high-performance machinery. Its open design allows for easy lubrication, while the phenolic cage ensures smooth operation.

With a P4A tolerance class, it offers exceptional accuracy for precise applications. The bearing can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

Ideal for spindle drives or precision tools, it operates efficiently in temperatures from -30°C to 110°C. Weighing just 0.015kg, it’s lightweight yet robust for its size. Interchangeable with SKF bearings, it’s a reliable choice for replacements.

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Product Parameters

  • Part Number 71902 CEGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 15 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 28 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 12
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 718 lbf
  • Static Radial Load 308 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 140000 rpm
  • Weight 0.015 kg
Super Precision Angular Contact Ball Bearings 71902 CEGB/P4A dimension drawing
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Features

Why Choose 71902 CEGB/P4A Bearing for Precision Tasks?

71902 CEGB/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and smooth operation under dynamic radial loads up to 718 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at speeds up to 140,000 rpm.
With a P4A tolerance class, it delivers consistent accuracy in demanding environments.

71902 CEGB/P4A Bearing is preloaded for light applications, ensuring stability and reliability.
Its compact size (15 mm×28 mm×7 mm) makes it ideal for space-constrained installations.

Application

Key Fields for 71902 CEGB/P4A Bearing
71902 CEGB/P4A Bearing is commonly used in high-speed machine spindles, where its precision angular contact design ensures accurate rotation. The light preload makes it suitable for applications requiring minimal friction.

In robotics, 71902 CEGB/P4A Bearing supports articulated arms, providing smooth movement and long service life. Its phenolic cage offers quiet operation, ideal for sensitive environments.

For dental drills and other medical tools, 71902 CEGB/P4A Bearing delivers reliable performance due to its chrome steel construction. The P4A tolerance class guarantees consistent precision in critical procedures.

Automotive applications like electric power steering systems benefit from 71902 CEGB/P4A Bearing’s high-speed capabilities. The open design allows for easy lubrication, extending its lifespan in demanding conditions.

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