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Super Precision Angular Contact Ball Bearings 71902 CE/P4A

Super Precision Angular Contact Ball Bearings 71902 CE/P4A

The 71902 CE/P4A is a super precision angular contact ball bearing with a compact size of 15mm by 28mm by 7mm, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for angular contact loads, handling up to 718 lbf dynamically.

With a phenolic cage and open design, it offers smooth operation at speeds up to 115,000 RPM. The bearing comes preloaded for better performance and is lubricated for reduced friction.

Its P4 tolerance class ensures high precision, making it suitable for applications like machine tool spindles or high-speed robotics. Weighing just 0.015kg, it’s lightweight yet durable.

Compatible with SKF bearings, it’s a reliable choice for replacements. Ideal for precision machinery where accuracy and speed are crucial.

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Product Parameters

  • Part Number 71902 CE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 15 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 28 mm
  • Outer Dia Tolerance -0.005mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 12
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • 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° to 110 °C
  • Max Speed 115000 rpm
  • Weight 0.015 kg
  • Price（$） 122.211
Super Precision Angular Contact Ball Bearings 71902 CE/P4A dimension drawing
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Features

How Is 71902 CE/P4A Bearing Engineered for Reliability?

71902 CE/P4A Bearing features a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 718 lbf, 71902 CE/P4A Bearing handles demanding conditions reliably.
The P4 tolerance class guarantees precision, making it suitable for high-performance machinery.

71902 CE/P4A Bearing operates efficiently at speeds up to 115,000 rpm, balancing speed and longevity.
Its open design allows for easy lubrication, reducing friction and maintenance needs.

The compact size of 15 mm×28 mm×7 mm makes 71902 CE/P4A Bearing ideal for space-constrained applications.
Its temperature range of -30° to 110°C ensures consistent performance in varied environments.

Application

Common Applications of 71902 CE/P4A Bearing
71902 CE/P4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The open seal type allows for efficient lubrication, maintaining performance in demanding conditions.

In robotics, 71902 CE/P4A Bearing supports articulated arms, providing smooth movement with minimal friction. Its phenolic cage offers durability, making it suitable for repetitive motions in automated systems.

For medical imaging devices, 71902 CE/P4A Bearing’s chrome steel construction ensures reliable operation in sensitive equipment. The P4 tolerance class guarantees the precision needed for consistent imaging results.

Automotive applications like electric motor shafts benefit from 71902 CE/P4A Bearing’s ability to handle combined loads. Its compact size and high-speed capability make it a versatile choice for modern vehicle designs.

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