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Super Precision Angular Contact Ball Bearings 71908 ACEGA/HCP4A

Super Precision Angular Contact Ball Bearings 71908 ACEGA/HCP4A

The 71908 ACEGA/HCP4A is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from chrome steel for durability. Its 25° contact angle and ceramic balls ensure smooth operation at high speeds, up to 41,000 RPM.

The open design and phenolic cage make it lightweight (0.088kg) and easy to maintain, while the extra light preload enhances precision. It handles dynamic radial loads up to 2106 lbf and operates in temperatures from -30°C to 110°C.

This bearing is interchangeable with SKF models and comes in a set of two, suitable for universal matching in back-to-back, face-to-face, or tandem arrangements. Ideal for high-speed applications like machine tool spindles or precision instruments.

With a P4A tolerance class, it offers exceptional accuracy for demanding tasks. The lubricated design ensures long-lasting performance without frequent maintenance.

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Product Parameters

  • Part Number 71908 ACEGA/HCP4A
  • 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 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 19
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2106 lbf
  • Static Radial Load 1282 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.088 kg
  • Price（$） 135.27
Super Precision Angular Contact Ball Bearings 71908 ACEGA/HCP4A dimension drawing
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Features

Performance Features of 71908 ACEGA/HCP4A Bearing

71908 ACEGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle provides excellent angular contact performance, suitable for various load directions.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 2106 lbf, it handles demanding applications with ease.

71908 ACEGA/HCP4A Bearing operates at speeds up to 41,000 rpm, making it ideal for high-speed machinery.
Its temperature range of -30°C to 110°C ensures reliable performance in diverse environments.

The P4A tolerance class guarantees superior precision, meeting stringent industry standards.
Its universal matching capability allows flexible arrangement options for different setups.

Application

Industrial Uses of 71908 ACEGA/HCP4A Bearing
71908 ACEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The open design and phenolic cage make it suitable for environments requiring minimal lubrication.

What Makes 71908 ACEGA/HCP4A Bearing a Preferred Choice?
In robotics, 71908 ACEGA/HCP4A Bearing excels in articulated arms, providing reliable angular contact support. Its P4A tolerance ensures consistent performance in repetitive, high-accuracy tasks.

Built for Heavy-Duty Use: 71908 ACEGA/HCP4A Bearing
This bearing handles demanding loads in industrial pumps, thanks to its chrome steel rings and extra-light preload. The ceramic balls also help maintain efficiency at high rotational speeds.

Automotive vs Aerospace: Applications of 71908 ACEGA/HCP4A Bearing
In automotive systems, 71908 ACEGA/HCP4A Bearing supports gearbox components, while in aerospace, it’s valued for its lightweight design and precision in control mechanisms. The universal matching option adds versatility.

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