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Super Precision Angular Contact Ball Bearings 71908 CDTP/HCP4B

Super Precision Angular Contact Ball Bearings 71908 CDTP/HCP4B

The 71908 CDTP/HCP4B 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 15° contact angle and ceramic balls for smooth operation.

With a dynamic radial load capacity of 2790 lbf and a max speed of 26,000 RPM, it performs reliably under demanding conditions. The phenolic cage ensures durability while keeping the weight light at just 0.1kg.

Its open design allows for easy lubrication, and the P4 tolerance class guarantees high precision. Ideal for applications like machine tool spindles or high-speed robotics where accuracy is key.

The bearing is interchangeable with SKF models, making it a versatile choice for replacements. It operates efficiently in temperatures ranging from -30°C to 110°C.

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Product Parameters

  • Part Number 71908 CDTP/HCP4B
  • 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 21
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2790 lbf
  • Static Radial Load 1912 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 26000 rpm
  • Weight 0.1 kg
  • Price（$） 288.432
Super Precision Angular Contact Ball Bearings 71908 CDTP/HCP4B dimension drawing
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Features

Why Choose 71908 CDTP/HCP4B Bearing for Precision Tasks?

71908 CDTP/HCP4B Bearing features a 15° contact angle, ideal for high-precision angular contact applications.
Its ceramic balls and chrome steel rings ensure minimal friction and enhanced durability.

With a dynamic radial load capacity of 2790 lbf, it handles demanding tasks effortlessly.
The phenolic cage maintains ball alignment, contributing to smooth operation at speeds up to 26,000 rpm.

Designed for precision, 71908 CDTP/HCP4B Bearing meets P4 tolerance class standards.
Its open design allows for easy lubrication, ensuring consistent performance in varied conditions.

The bearing’s compact size (40 mm×62 mm×12 mm) makes it suitable for space-constrained applications.
Its temperature range of -30° to 110 °C ensures reliability in diverse environments.

Application

Key Fields for 71908 CDTP/HCP4B Bearing
71908 CDTP/HCP4B Bearing is widely used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The ceramic balls reduce friction, making it ideal for high-speed spindle applications.

In robotics, 71908 CDTP/HCP4B Bearing provides smooth motion control in articulated arms, thanks to its phenolic cage and P4 tolerance class. Its matched arrangement option further enhances alignment in complex assemblies.

For aerospace components, 71908 CDTP/HCP4B Bearing’s lightweight design and high-speed capability (up to 26,000 rpm) make it suitable for gyroscopes and avionics. The chrome steel rings ensure durability in demanding conditions.

Automotive vs Aerospace: Applications of 71908 CDTP/HCP4B Bearing
In automotive systems, 71908 CDTP/HCP4B Bearing supports precision gearboxes, where its low friction improves fuel efficiency. The lubricated design also extends service life in high-temperature environments.

For aerospace, 71908 CDTP/HCP4B Bearing’s ceramic balls and phenolic cage reduce weight while maintaining reliability. Its P4 tolerance ensures consistent performance in critical flight systems.

Q&A

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