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Super Precision Angular Contact Ball Bearings S71908 CB/HCP4A

Super Precision Angular Contact Ball Bearings S71908 CB/HCP4A

The S71908 CB/HCP4A is a super precision angular contact ball bearing, measuring 40mm by 62mm by 12mm. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

It handles radial loads up to 1215 lbf and spins at speeds up to 36,000 RPM, making it suitable for high-performance applications. The sealed design keeps lubrication in and contaminants out.

With a 15° contact angle and P4 tolerance class, it provides excellent precision and stability. The phenolic cage ensures quiet and efficient performance.

Ideal for use in machine tools or high-speed spindles where accuracy is key. Its compact size and lightweight design (0.12kg) make it easy to integrate into various setups. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S71908 CB/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 3.969 mm
  • Ball Qty 28
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1215 lbf
  • Static Radial Load 934 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.12 kg
  • Price（$） 346.131
Super Precision Angular Contact Ball Bearings S71908 CB/HCP4A dimension drawing
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Features

How Is S71908 CB/HCP4A Bearing Engineered for Reliability?

S71908 CB/HCP4A Bearing features a 15° contact angle, optimised for handling combined radial and axial loads.
The chrome steel rings and ceramic balls reduce friction, ensuring smooth operation at high speeds.

With a dynamic radial load capacity of 1215 lbf, it delivers consistent performance in precision applications.
The phenolic cage maintains ball alignment, enhancing durability and reducing wear.

S71908 CB/HCP4A Bearing operates efficiently at speeds up to 36,000 rpm, making it ideal for high-speed machinery.
Its sealed design retains lubrication, minimising maintenance needs.

The P4 tolerance class ensures superior precision, meeting strict industry standards.
This bearing is preloaded for improved stiffness, ideal for demanding angular contact applications.

Application

Industrial Uses of S71908 CB/HCP4A Bearing
S71908 CB/HCP4A Bearing is commonly used in high-speed machine spindles, where its precision angular contact design ensures accurate rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In robotics, S71908 CB/HCP4A Bearing supports articulated arms, providing stability and durability in repetitive movements. Its sealed design helps keep contaminants out, extending service life in demanding environments.

For medical imaging devices, S71908 CB/HCP4A Bearing’s phenolic cage offers quiet performance, crucial for sensitive equipment. The P4 tolerance class ensures consistent accuracy in diagnostic applications.

Automotive applications like electric vehicle motors benefit from S71908 CB/HCP4A Bearing’s high-speed capabilities. The lubricated design reduces maintenance needs, making it a reliable choice for long-term use.

In aerospace systems, S71908 CB/HCP4A Bearing handles both radial and axial loads efficiently. Its lightweight construction and high-speed tolerance make it suitable for critical flight components.

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