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Super Precision Angular Contact Ball Bearings 71908 ACD/HCP4ATBTC

Super Precision Angular Contact Ball Bearings 71908 ACD/HCP4ATBTC

The 71908 ACD/HCP4ATBTC is a super precision angular contact ball bearing, measuring 40mm by 62mm by 36mm. Made from chrome steel with ceramic balls, it offers high accuracy and smooth operation.

With a 25° contact angle, it handles both radial and axial loads efficiently, supporting up to 5648 lbf dynamically. Its phenolic cage ensures durability, while the open design allows for easy lubrication.

This bearing set includes three matched units, preloaded for moderate stiffness, ideal for high-speed applications up to 56,000 RPM. It performs reliably in temperatures from -30°C to 110°C.

Perfect for precision machinery like spindles or CNC equipment, where tight tolerances and smooth rotation are essential. Compliant with P4A tolerance class for consistent performance.

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Product Parameters

  • Part Number 71908 ACD/HCP4ATBTC
  • 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 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 5648 lbf
  • Static Radial Load 5400 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.3 kg
Super Precision Angular Contact Ball Bearings 71908 ACD/HCP4ATBTC dimension drawing
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Features

Why Choose 71908 ACD/HCP4ATBTC Bearing for Precision Tasks?

71908 ACD/HCP4ATBTC Bearing features a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls ensure high precision and durability in demanding applications.

The matched arrangement of three bearings provides balanced load distribution and stability.
With a dynamic radial load capacity of 5648 lbf, it delivers reliable performance under stress.

71908 ACD/HCP4ATBTC Bearing operates smoothly at speeds up to 56,000 rpm.
Its phenolic cage reduces friction and wear, enhancing longevity.

Designed for moderate preload, this bearing maintains accuracy in high-speed operations.
The open seal type allows for easy lubrication and maintenance.

Application

Industrial Uses of 71908 ACD/HCP4ATBTC Bearing
71908 ACD/HCP4ATBTC 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 automotive applications, 71908 ACD/HCP4ATBTC Bearing supports performance components like turbochargers and transmission systems. Its moderate preload helps maintain stability under varying loads.

For robotics, 71908 ACD/HCP4ATBTC Bearing provides smooth motion in articulated arms and joints. The phenolic cage offers lightweight durability, ideal for repetitive movements.

Medical imaging devices benefit from 71908 ACD/HCP4ATBTC Bearing’s precision and low heat generation. The P4A tolerance class ensures consistent performance in sensitive equipment.

In aerospace, 71908 ACD/HCP4ATBTC Bearing is trusted for flight control systems due to its reliability and high-speed capabilities. The matched set arrangement enhances load distribution.

Q&A

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