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Super Precision Angular Contact Ball Bearings 71917 CB/HCP4A

Super Precision Angular Contact Ball Bearings 71917 CB/HCP4A

The 71917 CB/HCP4A is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 3668 lbf and can reach speeds of 28,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability while keeping weight low at just 0.54kg.

The open design allows for easy lubrication and maintenance. With a P4 tolerance class, it offers excellent precision for demanding tasks. Ideal for machine tools or high-speed spindles where accuracy is crucial.

It operates in temperatures from -30°C to 110°C and is interchangeable with SKF bearings, providing a reliable replacement option. The matched arrangement availability adds versatility for complex setups.

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Product Parameters

  • Part Number 71917 CB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 85 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.747 mm
  • Ball Qty 37
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3668 lbf
  • Static Radial Load 3668 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.54 kg
  • Price（$） 911.52
Super Precision Angular Contact Ball Bearings 71917 CB/HCP4A dimension drawing
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Features

Performance Features of 71917 CB/HCP4A Bearing

71917 CB/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 15° contact angle allows efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 28,000 rpm, it suits high-speed applications.

71917 CB/HCP4A Bearing operates smoothly within a temperature range of -30° to 110°C.
Its P4 tolerance class ensures consistent accuracy for precision tasks.

The open design simplifies lubrication, promoting long service life.
Dynamic and static radial load capacities of 3668 lbf make it reliable under stress.

Application

Essential Roles of 71917 CB/HCP4A Bearing
71917 CB/HCP4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In aerospace components, 71917 CB/HCP4A Bearing provides reliable performance in actuators and control systems. Its phenolic cage offers excellent heat resistance, crucial for maintaining stability under varying temperatures.

For robotics, 71917 CB/HCP4A Bearing supports articulated arms with its matched arrangement and preload options. The P4 tolerance class ensures consistent movement, essential for repetitive tasks in automated systems.

Medical imaging devices benefit from 71917 CB/HCP4A Bearing’s low vibration and high-speed capabilities. The open design allows for easy lubrication, extending service life in critical healthcare equipment.

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