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Super Precision Angular Contact Ball Bearings S71910 ACE/P4ADBA

Super Precision Angular Contact Ball Bearings S71910 ACE/P4ADBA

The S71910 ACE/P4ADBA is a super precision angular contact ball bearing, measuring 50mm by 72mm by 24mm, crafted from durable chrome steel. It features a 25° contact angle and comes sealed for protection, with two bearings matched in a DB arrangement.

This bearing handles radial loads up to 4478 lbf and spins smoothly at speeds up to 34,000 RPM. Its extra-light preload ensures minimal friction, making it ideal for high-precision applications.

The phenolic cage enhances durability, while the grease lubrication simplifies maintenance. It operates efficiently in temperatures ranging from -30°C to 110°C.

Perfect for machine tools or high-speed spindles, this bearing offers reliable performance. Weighing just 0.25kg, it’s lightweight yet robust for its size. Compliant with P4A tolerance standards for precision engineering.

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Product Parameters

  • Part Number S71910 ACE/P4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4478 lbf
  • Static Radial Load 3668 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.25 kg
Super Precision Angular Contact Ball Bearings S71910 ACE/P4ADBA dimension drawing
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Features

How Is S71910 ACE/P4ADBA Bearing Engineered for Reliability?

S71910 ACE/P4ADBA Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
The matched arrangement of two bearings ensures stability and precision in high-speed applications.

With chrome steel rings and balls, S71910 ACE/P4ADBA Bearing offers strong resistance to wear.
Its phenolic cage maintains ball alignment, reducing friction and extending service life.

S71910 ACE/P4ADBA Bearing operates smoothly at speeds up to 34,000 rpm, thanks to its precision P4A tolerance class.
The sealed design protects against contaminants, ensuring reliable performance in various environments.

Extra light preload in S71910 ACE/P4ADBA Bearing minimises vibration, enhancing operational accuracy.
Its dynamic radial load capacity of 4478 lbf makes it suitable for demanding applications.

Application

Where Is S71910 ACE/P4ADBA Bearing Used?
S71910 ACE/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In robotics, S71910 ACE/P4ADBA Bearing supports articulated arms, providing smooth movement and low friction. Its extra-light preload makes it ideal for applications requiring fine control and minimal vibration.

For medical imaging devices, S71910 ACE/P4ADBA Bearing’s phenolic cage and chrome steel components offer reliable operation. The P4A tolerance class ensures consistent performance in critical diagnostic equipment.

Automotive applications like electric power steering systems benefit from S71910 ACE/P4ADBA Bearing’s high-speed capability. The matched bearing arrangement enhances stability under angular loads.

In 3D printers, S71910 ACE/P4ADBA Bearing contributes to precise linear motion, thanks to its low-tolerance design. The grease lubrication ensures quiet operation over extended periods.

Q&A

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