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Super Precision Angular Contact Ball Bearings S71908 ACEGB/P4A

Super Precision Angular Contact Ball Bearings S71908 ACEGB/P4A

The S71908 ACEGB/P4A is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, designed for high-speed applications. It features a 25° contact angle and is sealed for protection, with a lightweight phenolic cage for smooth operation.

This bearing handles radial loads up to 2106 lbf and spins at speeds up to 41,000 RPM, making it suitable for demanding tasks. Its chrome steel construction ensures durability, while the grease lubrication simplifies maintenance.

With a tight P4A tolerance class, it offers excellent precision for machinery requiring accurate alignment. The bearing works in temperatures from -30°C to 110°C and weighs just 0.11kg.

Ideal for spindle drives or high-precision tools, it can be paired in back-to-back, face-to-face, or tandem arrangements. Interchangeable with SKF bearings, it’s a reliable choice for replacements or upgrades.

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Product Parameters

  • Part Number S71908 ACEGB/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 Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • 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 Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.11 kg
Super Precision Angular Contact Ball Bearings S71908 ACEGB/P4A dimension drawing
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Features

Performance Features of S71908 ACEGB/P4A Bearing

S71908 ACEGB/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and precision under dynamic radial loads up to 2106 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 41,000 rpm, it delivers reliable performance in high-speed scenarios.

S71908 ACEGB/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its sealed design and grease lubrication minimise maintenance needs, ensuring long service life.

The P4A tolerance class guarantees high precision, making it suitable for demanding applications.
Its universal matching capability allows flexible arrangement options like back-to-back or face-to-face configurations.

Application

Common Applications of S71908 ACEGB/P4A Bearing
S71908 ACEGB/P4A Bearing is widely used in high-speed machine tools, where its precision and light preload ensure smooth spindle operation. The sealed design helps maintain performance in environments with minimal maintenance.

In robotics, S71908 ACEGB/P4A Bearing supports articulated arms, providing reliable angular contact for precise movements. Its phenolic cage reduces friction, making it ideal for repetitive tasks.

For medical imaging devices, S71908 ACEGB/P4A Bearing offers consistent performance due to its chrome steel construction. The P4A tolerance class ensures accuracy in critical applications.

Automotive electric motors benefit from S71908 ACEGB/P4A Bearing’s high-speed capability and grease lubrication. It’s a dependable choice for reducing noise and vibration in compact designs.

In 3D printers, S71908 ACEGB/P4A Bearing enhances print quality by maintaining alignment during high-speed movements. The angular contact design handles both radial and axial loads effectively.

Q&A

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