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Super Precision Angular Contact Ball Bearings 71908 CD/HCP4ADBA

Super Precision Angular Contact Ball Bearings 71908 CD/HCP4ADBA

The 71908 CD/HCP4ADBA is a super precision angular contact ball bearing, measuring 40mm by 62mm by 24mm, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 4478 lbf and reaches speeds of 41,000 RPM, making it suitable for high-performance applications.
Its 15° contact angle and extra light preload ensure smooth operation with minimal friction. The phenolic cage adds durability while keeping the weight low at just 0.2kg.
This matched pair of bearings (arranged back-to-back) offers stability for precision tasks. Ideal for machine tools or high-speed spindles where accuracy is key.
Operating between -30°C and 110°C, it’s reliable in varied conditions and comes pre-lubricated for easy use.

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Product Parameters

  • Part Number 71908 CD/HCP4ADBA
  • 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 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4478 lbf
  • Static Radial Load 3825 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.2 kg
Super Precision Angular Contact Ball Bearings 71908 CD/HCP4ADBA dimension drawing
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Features

Performance Features of 71908 CD/HCP4ADBA Bearing

71908 CD/HCP4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 41,000 rpm.
With a dynamic radial load capacity of 4478 lbf, it handles demanding tasks with ease.

71908 CD/HCP4ADBA Bearing operates efficiently in temperatures from -30°C to 110°C.
Its extra light preload class A ensures consistent performance in matched arrangements.

The open design allows for easy lubrication, maintaining optimal performance over time.
Precision-engineered to P4A tolerance standards, it delivers reliable accuracy in critical applications.

Application

Key Fields for 71908 CD/HCP4ADBA Bearing
71908 CD/HCP4ADBA Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In robotics, 71908 CD/HCP4ADBA Bearing supports articulated arms, providing stability and low heat generation during repetitive movements. Its phenolic cage offers durability in environments with minimal lubrication.

For aerospace components, 71908 CD/HCP4ADBA Bearing’s extra light preload enhances performance in navigation systems and actuators. The P4A tolerance class guarantees reliability in critical flight operations.

Automotive testing equipment benefits from 71908 CD/HCP4ADBA Bearing’s ability to handle dynamic radial loads. Its matched arrangement ensures consistent performance in rigorous testing scenarios.

Medical imaging devices rely on 71908 CD/HCP4ADBA Bearing for quiet and precise movement. The chrome steel rings and ceramic balls provide long-lasting performance in sensitive environments.

Q&A

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