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Super Precision Angular Contact Ball Bearings 71908 ACDGC/P4A

Super Precision Angular Contact Ball Bearings 71908 ACDGC/P4A

The 71908 ACDGC/P4A is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and handles radial loads up to 2632 lbf, spinning smoothly at speeds up to 41,000 RPM.

Its phenolic cage ensures quiet operation and long service life, while the open design allows for easy lubrication. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes with a moderate preload (Class C). Ideal for high-precision applications like machine tools or spindle drives where accuracy is key.

Weighing just 0.11kg, it’s lightweight yet robust. It can be used in matched sets of three, arranged back-to-back, face-to-face, or tandem for versatile load handling. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71908 ACDGC/P4A
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • 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 0.11 kg
Super Precision Angular Contact Ball Bearings 71908 ACDGC/P4A dimension drawing
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Features

Performance Features of 71908 ACDGC/P4A Bearing

71908 ACDGC/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel construction ensures durability and resistance to wear under dynamic radial loads up to 2632 lbf.

Its phenolic cage maintains ball alignment, reducing friction and enhancing performance at high speeds.
With a maximum speed of 41,000 rpm, it delivers smooth operation in precision tasks.

The bearing operates efficiently within a temperature range of -30°C to 110°C.
Its P4A tolerance class guarantees high precision and reliability in demanding conditions.

Application

Industrial Uses of 71908 ACDGC/P4A Bearing
71908 ACDGC/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The moderate preload helps maintain stability during heavy cutting operations.

What Makes 71908 ACDGC/P4A Bearing a Preferred Choice?
In automotive applications, 71908 ACDGC/P4A Bearing supports components like turbochargers and electric motors, thanks to its high-speed capability and chrome steel construction. The phenolic cage reduces friction, enhancing efficiency.

Perfect Fit for Automation: 71908 ACDGC/P4A Bearing
For robotic arms and automated systems, 71908 ACDGC/P4A Bearing offers reliable performance with its P4A tolerance class. Its open design allows for easy lubrication, extending service life in continuous operation.

Medical vs Industrial: Where 71908 ACDGC/P4A Bearing Excels
In medical imaging devices, 71908 ACDGC/P4A Bearing provides smooth and quiet operation, crucial for patient comfort. Its temperature range also makes it suitable for industrial environments with varying thermal conditions.

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