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Super Precision Angular Contact Ball Bearings 71813 CD/HCP4

Super Precision Angular Contact Ball Bearings 71813 CD/HCP4

The 71813 CD/HCP4 is a super precision angular contact ball bearing with a 65mm bore and 85mm outer diameter, crafted from high-quality chrome steel. Its compact 10mm width makes it suitable for space-sensitive applications.

With a 15° contact angle, it handles both radial and axial loads efficiently, supporting up to 3038 lbf dynamically. It spins smoothly at speeds up to 28,000 RPM, thanks to its ceramic balls and phenolic cage.

The open design allows easy lubrication, while the P4 tolerance class ensures exceptional accuracy. It performs reliably in temperatures ranging from -30°C to 110°C.

Ideal for high-speed machinery like spindles or precision tools, this bearing is interchangeable with SKF models. Weighing just 0.11kg, it’s lightweight yet durable for demanding applications.

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Product Parameters

  • Part Number 71813 CD/HCP4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 29
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3038 lbf
  • Static Radial Load 3285 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.11 kg
  • Price（$） 588.951
Super Precision Angular Contact Ball Bearings 71813 CD/HCP4 dimension drawing
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Features

Performance Features of 71813 CD/HCP4 Bearing

71813 CD/HCP4 Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage maintains ball alignment, ensuring smooth operation even at high speeds.
With a maximum speed of 28,000 rpm, it delivers reliable performance in precision tasks.

71813 CD/HCP4 Bearing’s P4 tolerance class guarantees consistent accuracy for demanding applications.
Its dynamic radial load capacity of 3038 lbf ensures stability under varying operational conditions.

Application

Industrial Uses of 71813 CD/HCP4 Bearing
71813 CD/HCP4 Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In automotive systems, 71813 CD/HCP4 Bearing supports components like electric motors and gearboxes, handling both radial and axial loads efficiently. Its P4 tolerance class ensures reliability in demanding conditions.

For automation equipment, 71813 CD/HCP4 Bearing’s phenolic cage offers stability in robotic arms and CNC machines. The open design allows for easy lubrication, extending its service life in continuous operations.

Medical imaging devices benefit from 71813 CD/HCP4 Bearing’s low friction and high-speed capabilities. The chrome steel rings provide durability, while the ceramic balls ensure quiet and precise movement.

In consumer electronics, 71813 CD/HCP4 Bearing is found in high-performance printers and scanners. Its compact size and precision make it a reliable choice for devices requiring consistent, low-noise operation.

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