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Super Precision Angular Contact Ball Bearings 71908 ACE/HCP4ADT

Super Precision Angular Contact Ball Bearings 71908 ACE/HCP4ADT

The 71908 ACE/HCP4ADT is a super precision angular contact ball bearing, measuring 40mm by 62mm by 24mm. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

With a 25° contact angle, it handles both radial and axial loads efficiently. The phenolic cage ensures stability at high speeds, up to 41,000 RPM.

This bearing comes preloaded and matched in sets of two for balanced performance. It’s ideal for precision applications like machine tools or high-speed spindles.

Operating in temperatures from -30°C to 110°C, it’s reliable in various conditions. Weighing just 0.18kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number 71908 ACE/HCP4ADT
  • 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 24 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 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3398 lbf
  • Static Radial Load 2565 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.18 kg
Super Precision Angular Contact Ball Bearings 71908 ACE/HCP4ADT dimension drawing
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Features

Performance Features of 71908 ACE/HCP4ADT Bearing

71908 ACE/HCP4ADT Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and ceramic balls enhance durability and reduce friction during high-speed operation.

With a dynamic radial load capacity of 3398 lbf, it handles demanding tasks efficiently.
The phenolic cage ensures smooth movement and minimises wear, even at speeds up to 41,000 rpm.

Its matched arrangement of two bearings provides stability and precision in performance.
The open seal design allows for easy lubrication, maintaining optimal functionality.

Operating within a temperature range of -30°C to 110°C, it adapts to various environmental conditions.
The P4A tolerance class guarantees high precision, making it suitable for specialised applications.

Application

Industrial Uses of 71908 ACE/HCP4ADT Bearing
71908 ACE/HCP4ADT Bearing is commonly used in high-speed machine tools, where its angular contact design ensures precise spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding both speed and accuracy.

What Makes 71908 ACE/HCP4ADT Bearing a Preferred Choice?
In automotive applications like electric motors, 71908 ACE/HCP4ADT Bearing handles angular loads efficiently, thanks to its 25° contact angle. The phenolic cage adds durability, even under continuous operation.

Perfect Fit for Automation: 71908 ACE/HCP4ADT Bearing
For robotic arms and CNC machines, 71908 ACE/HCP4ADT Bearing offers reliable performance with minimal maintenance. Its P4A tolerance class ensures consistent precision in repetitive tasks.

Medical vs Industrial: Where 71908 ACE/HCP4ADT Bearing Excels
In medical imaging devices, 71908 ACE/HCP4ADT Bearing’s low heat generation is crucial for sensitive equipment. Meanwhile, industrial gearboxes benefit from its high-speed capabilities and load handling.

How Does 71908 ACE/HCP4ADT Bearing Support High-Speed Operations?
With a max speed of 41,000 rpm, 71908 ACE/HCP4ADT Bearing is suited for turbochargers and small turbines. The matched bearing arrangement further enhances stability under dynamic loads.

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