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Super Precision Angular Contact Ball Bearings 71908 ACEGA/P4A

Super Precision Angular Contact Ball Bearings 71908 ACEGA/P4A

The 71908 ACEGA/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 is designed for angular contact loads, handling up to 2106 lbf dynamically.

Its open design and phenolic cage ensure smooth operation at high speeds, reaching up to 41,000 RPM. The extra light preload (Class A) enhances precision, making it suitable for demanding applications.

This bearing can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use. Ideal for precision machinery like spindles or high-speed tools where accuracy is key.

Weighing just 0.1kg, it’s lightweight yet robust, and operates efficiently in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71908 ACEGA/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 19
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2106 lbf
  • Static Radial Load 1282 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.1 kg
  • Price（$） 79.884
Super Precision Angular Contact Ball Bearings 71908 ACEGA/P4A dimension drawing
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Features

Why Choose 71908 ACEGA/P4A Bearing for Precision Tasks?

71908 ACEGA/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel construction ensures durability and smooth operation in high-speed applications.

With a maximum speed of 41,000 rpm, it excels in precision tasks requiring minimal friction.
The phenolic cage maintains ball alignment, reducing wear and extending service life.

71908 ACEGA/P4A Bearing’s P4A tolerance class guarantees exceptional accuracy for demanding applications.
Its extra light preload ensures smooth rotation, making it suitable for sensitive machinery.

The open design allows for easy lubrication, enhancing performance in varied operating conditions.
Weighing just 0.1 kg, it offers a balance of strength and lightweight efficiency.

Application

Industrial Uses of 71908 ACEGA/P4A Bearing
71908 ACEGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle performance. The open seal type allows for efficient lubrication, extending service life in demanding industrial settings.

What Makes 71908 ACEGA/P4A Bearing a Preferred Choice?
In robotics and automation, 71908 ACEGA/P4A Bearing provides smooth motion control for robotic arms and CNC systems. Its phenolic cage reduces friction, making it ideal for applications requiring quiet and efficient operation.

Perfect Fit for Automation: 71908 ACEGA/P4A Bearing
For medical imaging devices, 71908 ACEGA/P4A Bearing offers reliable rotation with minimal vibration, crucial for clear and precise scans. The chrome steel construction ensures durability in sterile environments.

Automotive vs Aerospace: Applications of 71908 ACEGA/P4A Bearing
In automotive transmissions, 71908 ACEGA/P4A Bearing handles high radial and axial loads, ensuring smooth gear shifts. Aerospace applications benefit from its lightweight design and ability to withstand extreme speeds.

Where to Use 71908 ACEGA/P4A Bearing
71908 ACEGA/P4A Bearing is a great fit for 3D printers, where its precision and low friction enhance print quality. The extra light preload ensures consistent performance during prolonged use.

Q&A

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