+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71940 CD/HCP4A

Super Precision Angular Contact Ball Bearings 71940 CD/HCP4A

The 71940 CD/HCP4A is a super precision angular contact ball bearing with a 200mm bore and 280mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 46800 lbf and operates smoothly at speeds up to 8500 RPM.

With a 15° contact angle and ceramic balls, it offers low friction and high accuracy, ideal for precision applications. The phenolic cage ensures durability and quiet operation.

This bearing comes preloaded and matched for optimal performance in paired arrangements. It works well in temperatures from -30°C to 110°C, making it suitable for machine tools or high-speed spindles.

Weighing 5.11kg, it’s robust yet designed for precision. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 71940 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 200 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 280 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 38 mm
  • Width Tolerance -0.24mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 26
  • 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 46800 lbf
  • Static Radial Load 59625 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 8500 rpm
  • Weight 5.11 kg
  • Price（$） 4282.344
Super Precision Angular Contact Ball Bearings 71940 CD/HCP4A dimension drawing
Download DWG Download PDF

Features

How Is 71940 CD/HCP4A Bearing Engineered for Reliability?

71940 CD/HCP4A Bearing features a 15° contact angle, optimised for precision angular contact applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction.

With a dynamic radial load capacity of 46,800 lbf, it handles demanding operational conditions.
Its phenolic cage ensures smooth performance and alignment under high-speed rotation.

The bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class guarantees high precision for critical applications.

Lubrication is pre-applied, ensuring ready-to-use convenience.
The open seal design allows for easy maintenance and re-lubrication if needed.

Application

Industrial Uses of 71940 CD/HCP4A Bearing
71940 CD/HCP4A Bearing is commonly 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 suitable for high-speed operations.

In aerospace applications, 71940 CD/HCP4A Bearing supports components like jet engine shafts, thanks to its phenolic cage and P4 tolerance class. Its durability and precision are key for maintaining performance under extreme conditions.

For automation systems, 71940 CD/HCP4A Bearing excels in robotic arms and CNC machines, where consistent movement is essential. The open design allows for easy lubrication, extending its service life.

Medical imaging devices also benefit from 71940 CD/HCP4A Bearing’s smooth operation and low heat generation. The chrome steel rings provide long-term reliability in critical healthcare equipment.

Q&A

SEND INQUIRY