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Super Precision Angular Contact Ball Bearings S71908 ACE/HCP4A

Super Precision Angular Contact Ball Bearings S71908 ACE/HCP4A

The S71908 ACE/HCP4A is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 2106 lbf and spins at impressive speeds up to 34,000 RPM. Its phenolic cage and sealed design ensure reliable performance with minimal maintenance.

The P4 tolerance class (equivalent to ABEC-7) guarantees exceptional precision, making it suitable for high-accuracy applications. It works well in temperatures ranging from -30°C to 110°C.

Ideal for precision machinery like CNC spindles or high-speed motors, this lightweight bearing (0.096kg) offers both durability and performance. It’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71908 ACE/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 19
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Preload Available
  • 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° to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.096 kg
  • Price（$） 345.744
Super Precision Angular Contact Ball Bearings S71908 ACE/HCP4A dimension drawing
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Features

Performance Features of S71908 ACE/HCP4A Bearing

S71908 ACE/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for precision tasks.
Its ceramic balls and chrome steel rings ensure smooth operation even at high speeds up to 34,000 rpm.

The phenolic cage in S71908 ACE/HCP4A Bearing reduces friction and wear, enhancing durability.
With a dynamic radial load capacity of 2106 lbf, it handles demanding applications with ease.

S71908 ACE/HCP4A Bearing’s sealed design keeps lubrication intact, minimising maintenance needs.
Its P4 tolerance class ensures high precision, making it suitable for critical operations.

Application

Industrial Uses of S71908 ACE/HCP4A Bearing
S71908 ACE/HCP4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it suitable for demanding industrial environments.

Where Is S71908 ACE/HCP4A Bearing Used?
In automotive applications, S71908 ACE/HCP4A Bearing supports components like electric motors and transmissions, thanks to its high-speed capabilities. The sealed design helps keep contaminants out, extending its lifespan.

Perfect Fit for Automation: S71908 ACE/HCP4A Bearing
S71908 ACE/HCP4A Bearing works well in robotic arms and automated systems, where its phenolic cage provides stability. The P4 tolerance class ensures consistent performance in precision tasks.

Medical vs Industrial: Where S71908 ACE/HCP4A Bearing Excels
S71908 ACE/HCP4A Bearing is found in medical imaging devices, offering reliable operation with minimal maintenance. Its chrome steel rings and ceramic balls make it durable for both medical and industrial uses.

How Does S71908 ACE/HCP4A Bearing Support High-Speed Operations?
S71908 ACE/HCP4A Bearing handles high rotational speeds in applications like dental drills and small turbines. The lubricated design ensures smooth operation even under continuous use.

Q&A

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