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Super Precision Angular Contact Ball Bearings 71908 CE/HCP4AQBCA

Super Precision Angular Contact Ball Bearings 71908 CE/HCP4AQBCA

The 71908 CE/HCP4AQBCA is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 5850 lbf and spins smoothly at speeds up to 56,000 RPM.

Its open design and phenolic cage ensure low friction and long-lasting performance, even in temperatures from -30°C to 110°C. The extra light preload (Class A) provides smooth operation with minimal resistance.

This set includes four matched bearings arranged in a QBC configuration, ideal for high-precision applications like machine tool spindles or dental equipment. Weighing just 0.35kg, it balances lightweight design with robust performance.

Compatible with SKF bearings, it offers a reliable replacement option for demanding angular contact scenarios. The 15° contact angle ensures efficient load distribution during high-speed rotations.

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Product Parameters

  • Part Number 71908 CE/HCP4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 19
  • 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 5850 lbf
  • Static Radial Load 5400 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.35 kg
Super Precision Angular Contact Ball Bearings 71908 CE/HCP4AQBCA dimension drawing
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Features

Performance Features of 71908 CE/HCP4AQBCA Bearing

71908 CE/HCP4AQBCA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its ceramic balls and chrome steel rings enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 56,000 rpm.
With a dynamic radial load capacity of 5850 lbf, it handles demanding tasks with ease.

71908 CE/HCP4AQBCA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its extra light preload (Class A) ensures minimal vibration and noise during use.

The matched arrangement of four bearings provides consistent performance in angular contact applications.
Lubrication is pre-applied, reducing initial setup time and maintenance needs.

Application

Key Fields for 71908 CE/HCP4AQBCA Bearing
71908 CE/HCP4AQBCA Bearing is commonly used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The matched set of four bearings ensures stability in demanding applications.

In robotics, 71908 CE/HCP4AQBCA Bearing supports articulated arms, providing the necessary angular contact for precise movements. Its phenolic cage offers durability without adding excessive weight.

For aerospace components, 71908 CE/HCP4AQBCA Bearing’s P4A tolerance class makes it suitable for navigation systems requiring minimal deviation. The extra light preload further enhances its performance in sensitive equipment.

Medical imaging devices benefit from 71908 CE/HCP4AQBCA Bearing’s low heat generation, crucial for maintaining accuracy during prolonged use. The open design allows for easy lubrication, extending service life.

Q&A

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