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Super Precision Angular Contact Ball Bearings 71922 FE/HCP4AQBCA

Super Precision Angular Contact Ball Bearings 71922 FE/HCP4AQBCA

The 71922 FE/HCP4AQBCA is a super precision angular contact ball bearing with a 110mm bore and 150mm outer diameter, crafted from high-quality chrome steel. It features a 18° contact angle and comes in a matched set of four bearings for balanced performance.

This bearing handles radial loads up to 23850 lbf and reaches speeds of 16250 RPM, thanks to its ceramic balls and phenolic cage. Its extra light preload ensures smooth operation with minimal friction.

The open design allows for easy lubrication, while the P4A tolerance class guarantees exceptional accuracy. It operates reliably in temperatures from -30°C to 110°C.

Ideal for high-precision applications like machine tool spindles or aerospace components, where exact alignment and durability are crucial. Weighing 2.8kg, it’s robust yet manageable for its size.

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Product Parameters

  • Part Number 71922 FE/HCP4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 110 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 80 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 26
  • Contact Angle 18°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 23850 lbf
  • Static Radial Load 30825 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 2.8 kg
Super Precision Angular Contact Ball Bearings 71922 FE/HCP4AQBCA dimension drawing
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Features

How Does 71922 FE/HCP4AQBCA Bearing Achieve High Precision?

71922 FE/HCP4AQBCA Bearing features a precision contact angle of 18°, ensuring accurate alignment in angular contact applications.
Its ceramic balls and chrome steel rings reduce friction, enhancing smooth operation even at high speeds.

The phenolic cage maintains ball spacing, contributing to the bearing’s durability and performance.

With a maximum speed of 16,250 rpm, it is suitable for high-speed applications requiring precision and reliability.

Application

Industrial Uses of 71922 FE/HCP4AQBCA Bearing
71922 FE/HCP4AQBCA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

In aerospace applications, 71922 FE/HCP4AQBCA Bearing supports critical components like turbine shafts, thanks to its extra-light preload and P4A tolerance class. The phenolic cage adds durability in demanding environments.

For robotics, 71922 FE/HCP4AQBCA Bearing provides smooth motion in articulated arms, with its matched arrangement of four bearings enhancing stability. The chrome steel rings offer long-lasting performance in repetitive movements.

Medical imaging devices benefit from 71922 FE/HCP4AQBCA Bearing’s precision, ensuring quiet and reliable operation in MRI machines. The lubricated design minimises maintenance needs in sensitive environments.

In automotive testing equipment, 71922 FE/HCP4AQBCA Bearing handles radial and angular loads with ease, making it ideal for dynamometers. Its metric sizing ensures compatibility with European and Asian machinery standards.

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