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Super Precision Angular Contact Ball Bearings 71813 CD/P4

Super Precision Angular Contact Ball Bearings 71813 CD/P4

The 71813 CD/P4 is a super precision angular contact ball bearing with a 65mm bore and 85mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 3038 lbf and operates smoothly at speeds up to 22000 RPM.

Its 15° contact angle and P4 tolerance class ensure excellent accuracy, while the phenolic cage reduces friction for quiet performance. The open design allows for easy lubrication and maintenance.

This bearing is ideal for high-speed applications like machine tool spindles or precision instruments. It works well in temperatures from -30°C to 110°C and is interchangeable with SKF bearings.

Weighing just 0.13kg, it’s lightweight yet durable for its size. The preload option adds versatility for demanding setups.

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Product Parameters

  • Part Number 71813 CD/P4
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3038 lbf
  • Static Radial Load 3285 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 22000 rpm
  • Weight 0.13 kg
  • Price（$） 589.365
Super Precision Angular Contact Ball Bearings 71813 CD/P4 dimension drawing
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Features

Engineered for Precision: 71813 CD/P4 Bearing

71813 CD/P4 Bearing features a 15° contact angle, optimised for angular contact loads with high precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 3038 lbf, it handles demanding applications smoothly.
The P4 tolerance class guarantees exceptional accuracy, making it suitable for high-speed operations up to 22,000 rpm.

71813 CD/P4 Bearing operates efficiently in temperatures from -30° to 110°C, ensuring reliable performance.
Its open design allows for easy lubrication, maintaining smooth operation over extended periods.

Application

Key Fields for 71813 CD/P4 Bearing
71813 CD/P4 Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The P4 tolerance class makes it suitable for applications demanding tight control over radial and axial loads.

In robotics, 71813 CD/P4 Bearing provides smooth motion control for articulated arms and joints. Its phenolic cage reduces friction, enhancing efficiency in repetitive movements.

For medical imaging devices, 71813 CD/P4 Bearing offers reliable performance due to its chrome steel construction. The open seal design allows for easy lubrication, maintaining precision over long operational periods.

Automotive applications like electric power steering systems benefit from 71813 CD/P4 Bearing’s high-speed capability. The 15° contact angle helps manage combined loads effectively.

In aerospace components, 71813 CD/P4 Bearing’s lightweight design and durability make it a practical choice. Its compatibility with metric systems simplifies integration into various aircraft mechanisms.

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