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Super Precision Angular Contact Ball Bearings 71908 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings 71908 ACDGA/HCP4A

The 71908 ACDGA/HCP4A 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 efficiently handles both radial and thrust loads, making it versatile for high-speed applications.

With a phenolic cage and ceramic balls, it offers smooth operation at speeds up to 41,000 RPM. The extra-light preload ensures minimal friction, ideal for precision machinery where accuracy is key.

This bearing is part of a universal matching set, allowing flexible arrangements like back-to-back or face-to-face. It’s interchangeable with SKF models, simplifying replacements.

Suitable for CNC spindles or high-performance motors, it operates in temperatures from -30°C to 110°C. Weighing just 0.1kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number 71908 ACDGA/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 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 2632 lbf
  • Static Radial Load 1800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.1 kg
Super Precision Angular Contact Ball Bearings 71908 ACDGA/HCP4A dimension drawing
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Features

Performance Features of 71908 ACDGA/HCP4A Bearing

71908 ACDGA/HCP4A Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls ensure smooth operation even at high speeds up to 41,000 rpm.

The phenolic cage in 71908 ACDGA/HCP4A Bearing provides excellent heat resistance and reduces friction.
With a dynamic radial load capacity of 2632 lbf, it delivers reliable performance in precision applications.

71908 ACDGA/HCP4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload ensures minimal vibration and noise, making it suitable for high-precision machinery.

Application

Industrial Uses of 71908 ACDGA/HCP4A Bearing
71908 ACDGA/HCP4A Bearing is commonly 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.

How Does 71908 ACDGA/HCP4A Bearing Improve Performance?
In robotics, 71908 ACDGA/HCP4A Bearing enhances movement precision, thanks to its extra-light preload and P4A tolerance class. The phenolic cage provides stability, even in high-speed scenarios.

Perfect Fit for Automation: 71908 ACDGA/HCP4A Bearing
71908 ACDGA/HCP4A Bearing works well in automated production lines, where its 25° contact angle handles combined loads efficiently. The lubricated design ensures long service life with minimal maintenance.

Medical vs Industrial: Where 71908 ACDGA/HCP4A Bearing Excels
71908 ACDGA/HCP4A Bearing is versatile, suitable for both medical imaging devices and industrial pumps. Its chrome steel rings and ceramic balls offer reliability across different environments.

Essential Roles of 71908 ACDGA/HCP4A Bearing
71908 ACDGA/HCP4A Bearing supports high-speed applications like dental drills and CNC spindles. The metric sizing and universal matching options make it adaptable to various machinery setups.

Q&A

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