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Super Precision Angular Contact Ball Bearings 71908 CE/HCP4ADT

Super Precision Angular Contact Ball Bearings 71908 CE/HCP4ADT

The 71908 CE/HCP4ADT is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from chrome steel and ceramic balls for durability. It handles radial loads up to 3578 lbf and reaches speeds of 56,000 RPM, making it suitable for high-performance applications.

Its 15° contact angle and matched arrangement of two bearings ensure stability under angular loads. The phenolic cage and open design allow for easy lubrication and maintenance.

This bearing operates smoothly in temperatures from -30°C to 110°C and meets P4A tolerance standards for precision. Ideal for use in machine tools or high-speed spindles where accuracy is crucial.

Weighing just 0.18kg, it’s lightweight yet robust, and interchangeable with SKF bearings for convenient replacements. The ceramic balls reduce friction, enhancing efficiency in demanding conditions.

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Product Parameters

  • Part Number 71908 CE/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 15°
  • 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 3578 lbf
  • Static Radial Load 2700 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.18 kg
Super Precision Angular Contact Ball Bearings 71908 CE/HCP4ADT dimension drawing
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Features

Performance Features of 71908 CE/HCP4ADT Bearing

71908 CE/HCP4ADT Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls reduce friction, enhancing precision in high-speed applications.
The phenolic cage ensures smooth operation, even at speeds up to 56,000 rpm.
With a P4A tolerance class, it delivers consistent performance in demanding conditions.

How Is 71908 CE/HCP4ADT Bearing Engineered for Reliability?

71908 CE/HCP4ADT Bearing features a matched arrangement of two bearings, providing balanced load distribution.
Its dynamic radial load capacity of 3578 lbf ensures durability under heavy loads.
The open design allows for easy lubrication, maintaining optimal performance.
Preload availability further enhances stability and precision.

Built for Precision: 71908 CE/HCP4ADT Bearing

71908 CE/HCP4ADT Bearing’s ceramic balls and chrome steel rings offer low friction and high wear resistance.
The phenolic cage minimises noise, making it suitable for precision instruments.
With a temperature range of -30°C to 110°C, it performs reliably in various environments.
Its 6.35 mm ball diameter and 19-ball configuration ensure smooth rotation.

Steel vs Ceramic Bearings: Strengths of 71908 CE/HCP4ADT Bearing

71908 CE/HCP4ADT Bearing combines chrome steel rings with ceramic balls for superior performance.
This mix reduces weight and friction compared to all-steel designs, improving efficiency.
The ceramic balls also resist wear better, extending the bearing’s service life.
Its 56,000 rpm max speed makes it ideal for high-speed applications.

Application

Common Applications of 71908 CE/HCP4ADT Bearing
In high-speed machine tools, 71908 CE/HCP4ADT Bearing excels due to its angular contact design and ceramic balls, which reduce friction and heat buildup. The phenolic cage ensures smooth operation even at maximum speeds.

Where Is 71908 CE/HCP4ADT Bearing Used?
You’ll often find 71908 CE/HCP4ADT Bearing in precision robotics, where its matched arrangement provides stability for articulated arms. Its P4A tolerance class makes it ideal for applications demanding tight precision.

Built for Heavy-Duty Use: 71908 CE/HCP4ADT Bearing
This bearing handles radial and axial loads effortlessly in industrial gearboxes, thanks to its chrome steel rings and 15° contact angle. The lubricated design extends its lifespan in demanding environments.

Automotive vs Aerospace: Applications of 71908 CE/HCP4ADT Bearing
In automotive systems, 71908 CE/HCP4ADT Bearing supports high-performance transmissions, while aerospace applications benefit from its lightweight ceramic balls. Both sectors value its reliability under varying loads.

Perfect Fit for Automation: 71908 CE/HCP4ADT Bearing
For automated production lines, 71908 CE/HCP4ADT Bearing offers consistent performance with minimal maintenance. Its open seal type allows for easy lubrication, keeping downtime to a minimum.

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