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Super Precision Angular Contact Ball Bearings S71908 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings S71908 CDGA/HCP4A

The S71908 CDGA/HCP4A is a super precision angular contact ball bearing, measuring 40mm by 62mm by 12mm, crafted from chrome steel with ceramic balls for smooth operation. It handles radial loads up to 2790 lbf and spins at speeds up to 41,000 RPM, making it suitable for high-performance applications.

Its sealed design keeps grease in place, reducing maintenance needs, while the phenolic cage ensures durability. The bearing operates efficiently in temperatures ranging from -30°C to 110°C, ideal for demanding environments.

With a 15° contact angle and extra light preload, it offers precise movement and low friction. This model is interchangeable with SKF bearings and comes in a set of two, allowing for versatile mounting options like back-to-back or face-to-face configurations.

Perfect for precision machinery, CNC spindles, or high-speed tools where accuracy and reliability are key. Weighing just 0.1kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number S71908 CDGA/HCP4A
  • 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 12 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 Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • 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 Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.1 kg
Super Precision Angular Contact Ball Bearings S71908 CDGA/HCP4A dimension drawing
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Features

Performance Features of S71908 CDGA/HCP4A Bearing

S71908 CDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 15° contact angle provides excellent angular contact performance, ideal for complex load conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 2790 lbf, it handles demanding applications with ease.

S71908 CDGA/HCP4A Bearing operates efficiently at speeds up to 41,000 rpm, balancing speed and reliability.
Its sealed design and grease lubrication minimise maintenance needs, ensuring long service life.

The P4A tolerance class guarantees exceptional precision, making it suitable for high-accuracy machinery.
Its temperature range of -30°C to 110°C ensures performance in varied environmental conditions.

Application

Key Fields for S71908 CDGA/HCP4A Bearing
S71908 CDGA/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design keeps contaminants out, ensuring long-term performance in demanding environments.

In robotics, S71908 CDGA/HCP4A Bearing provides smooth motion control for precision arms and joints. Its extra-light preload and P4A tolerance make it ideal for applications requiring minimal vibration and high accuracy.

For medical imaging devices, S71908 CDGA/HCP4A Bearing’s chrome steel rings and ceramic balls offer reliable operation under continuous use. The grease lubrication ensures quiet performance, which is essential in sensitive medical settings.

In aerospace applications, S71908 CDGA/HCP4A Bearing handles both radial and axial loads efficiently. Its temperature range and high-speed capability make it suitable for avionics and control systems.

S71908 CDGA/HCP4A Bearing is also found in high-performance electric motors, where its angular contact design supports combined loads. The metric sizing and universal matching options add to its versatility across different motor designs.

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