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Super Precision Angular Contact Ball Bearings 71908 ACBGA/HCP4A

Super Precision Angular Contact Ball Bearings 71908 ACBGA/HCP4A

The 71908 ACBGA/HCP4A is a super precision angular contact ball bearing measuring 40mm by 62mm by 12mm, crafted from chrome steel with ceramic balls for smooth operation. It handles radial loads up to 1141 lbf and spins at speeds up to 56,000 RPM, making it suitable for high-performance applications.

With a 25° contact angle and phenolic cage, it offers excellent stability and low friction. The open design allows for easy lubrication, while the P4A tolerance class ensures precise performance.

This bearing is ideal for machine tools or spindle drives where accuracy is key. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

Weighing just 0.11kg, it’s lightweight yet durable, operating in temperatures from -30°C to 110°C. Compatible with SKF bearings, it’s a reliable choice for replacements or upgrades.

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Product Parameters

  • Part Number 71908 ACBGA/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 3.969 mm
  • Ball Qty 28
  • 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 1141 lbf
  • Static Radial Load 878 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.11 kg
Super Precision Angular Contact Ball Bearings 71908 ACBGA/HCP4A dimension drawing
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Features

Performance Features of 71908 ACBGA/HCP4A Bearing

71908 ACBGA/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, ideal for complex load conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 1141 lbf, it handles demanding applications with ease.

71908 ACBGA/HCP4A Bearing operates efficiently at speeds up to 56,000 rpm, balancing speed and reliability.
Its P4A tolerance class ensures consistent performance in precision machinery.

The open design allows for easy lubrication, extending the bearing’s service life.
It functions reliably in temperatures ranging from -30°C to 110°C, adapting to various environments.

71908 ACBGA/HCP4A Bearing’s universal matching capability offers flexibility in mounting configurations.
This makes it suitable for back-to-back, face-to-face, or tandem arrangements.

Application

Common Applications of 71908 ACBGA/HCP4A Bearing
71908 ACBGA/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 robotics, 71908 ACBGA/HCP4A Bearing supports articulated arms, providing stability and precision in repetitive movements. Its phenolic cage offers lightweight durability, perfect for automated systems.

For medical imaging devices, 71908 ACBGA/HCP4A Bearing’s P4A tolerance class guarantees consistent performance in sensitive equipment. The chrome steel rings add longevity, even in high-use environments.

Automotive applications like electric motor shafts benefit from 71908 ACBGA/HCP4A Bearing’s extra light preload, reducing energy loss. Its metric sizing ensures compatibility with various European and Asian models.

In consumer electronics, 71908 ACBGA/HCP4A Bearing is found in high-end printers, where its low friction and high-speed capability enhance print quality. The open design allows for easy maintenance in compact spaces.

Q&A

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