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Super Precision Angular Contact Ball Bearings 71907 CD/HCP4AQBCA

Super Precision Angular Contact Ball Bearings 71907 CD/HCP4AQBCA

The 71907 CD/HCP4AQBCA is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 5738 lbf and spins smoothly at speeds up to 56,000 RPM.

Its phenolic cage and extra-light preload ensure quiet, efficient operation, while the open design allows for easy lubrication. The bearing performs reliably in temperatures ranging from -30°C to 110°C.

This set includes four matched bearings arranged for angular contact, ideal for high-precision applications like machine tool spindles or dental equipment. Weighing just 0.27kg, it’s lightweight yet robust for its size.

Interchangeable with SKF bearings, it offers a reliable replacement option. The P4A tolerance class guarantees exceptional accuracy for demanding tasks.

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Product Parameters

  • Part Number 71907 CD/HCP4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 40 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 21
  • Contact Angle 15°
  • 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 5738 lbf
  • Static Radial Load 5850 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.27 kg
Super Precision Angular Contact Ball Bearings 71907 CD/HCP4AQBCA dimension drawing
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Features

How Does 71907 CD/HCP4AQBCA Bearing Achieve Super Precision?

71907 CD/HCP4AQBCA Bearing features a 15° contact angle, optimised for high-speed angular contact applications.
Its ceramic balls and chrome steel rings reduce friction, enhancing precision and durability.

The phenolic cage ensures smooth operation, even at speeds up to 56,000 rpm.
With a dynamic radial load capacity of 5738 lbf, it handles demanding tasks reliably.

Designed for extra light preload, 71907 CD/HCP4AQBCA Bearing maintains accuracy in precision instruments.
Its matched arrangement of four bearings ensures consistent performance in complex setups.

Application

Industrial Uses of 71907 CD/HCP4AQBCA Bearing
71907 CD/HCP4AQBCA Bearing is widely used in high-speed machine tools, where its precision and ceramic balls reduce friction and heat buildup. The matched set of four bearings ensures stability in demanding applications like spindle drives.

In robotics, 71907 CD/HCP4AQBCA Bearing provides smooth motion control for articulated arms, thanks to its angular contact design. The phenolic cage offers lightweight durability, ideal for repetitive movements.

For aerospace components, 71907 CD/HCP4AQBCA Bearing’s P4A tolerance class meets strict requirements for navigation systems. Its extra light preload enhances accuracy in sensitive instruments.

Automotive vs Aerospace: Applications of 71907 CD/HCP4AQBCA Bearing
In automotive transmissions, 71907 CD/HCP4AQBCA Bearing handles high radial loads with minimal wear. The ceramic balls and chrome steel rings extend service life even under constant stress.

Aerospace systems benefit from 71907 CD/HCP4AQBCA Bearing’s ability to perform in extreme temperatures. Its lubricated design ensures reliability during long flights.

What Makes 71907 CD/HCP4AQBCA Bearing a Preferred Choice?
71907 CD/HCP4AQBCA Bearing is a go-to for precision equipment like 3D printers, where its low friction maintains print accuracy. The open seal allows for easy lubrication adjustments.

In medical imaging devices, 71907 CD/HCP4AQBCA Bearing’s quiet operation and smooth rotation are essential. The phenolic cage resists corrosion, making it suitable for sterile environments.

Q&A

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