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Super Precision Angular Contact Ball Bearings S71908 ACE/HCP4ADBA

Super Precision Angular Contact Ball Bearings S71908 ACE/HCP4ADBA

The S71908 ACE/HCP4ADBA is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from chrome steel for durability. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 3398 lbf.

Sealed for protection and preloaded for extra light performance, this bearing set includes two matched units for balanced use. It spins at speeds up to 41,000 RPM and handles temperatures from -30°C to 110°C.

The phenolic cage reduces friction, while the grease lubrication keeps maintenance simple. Ideal for high-precision applications like machine tool spindles or dental equipment where accuracy is key.

Weighing just 0.19kg, it’s lightweight yet robust, meeting P4A tolerance standards for reliable performance. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71908 ACE/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 19
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • 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 3398 lbf
  • Static Radial Load 2565 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.19 kg
Super Precision Angular Contact Ball Bearings S71908 ACE/HCP4ADBA dimension drawing
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Features

Performance Features of S71908 ACE/HCP4ADBA Bearing

S71908 ACE/HCP4ADBA Bearing features a 25° contact angle, optimised for precision angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation with minimal friction.

The sealed design and grease lubrication reduce maintenance needs while enhancing durability.
With a maximum speed of 41,000 rpm, it delivers reliable performance in high-speed scenarios.

The matched arrangement of two bearings provides balanced load distribution.
Its phenolic cage maintains ball alignment, extending service life under dynamic radial loads.

S71908 ACE/HCP4ADBA Bearing operates efficiently within a temperature range of -30°C to 110°C.
The extra light preload ensures precise movement, ideal for demanding applications.

Application

Industrial Uses of S71908 ACE/HCP4ADBA Bearing
S71908 ACE/HCP4ADBA Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it suitable for demanding industrial environments.

In robotics, S71908 ACE/HCP4ADBA Bearing provides smooth motion control in articulated arms and automated systems. Its sealed design helps maintain lubrication, even in continuous operation.

For medical imaging devices, S71908 ACE/HCP4ADBA Bearing’s phenolic cage and chrome steel rings offer reliability and low noise. The extra light preload ensures minimal vibration, crucial for sensitive equipment.

Automotive applications like electric vehicle motors benefit from S71908 ACE/HCP4ADBA Bearing’s high-speed capabilities. The matched arrangement enhances stability under angular loads, improving overall efficiency.

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