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Super Precision Angular Contact Ball Bearings S71910 ACD/P4AQBCA

Super Precision Angular Contact Ball Bearings S71910 ACD/P4AQBCA

The S71910 ACD/P4AQBCA is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 7605 lbf and spins smoothly at speeds up to 34,000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet operation. The 25° contact angle and extra light preload make it ideal for high-precision applications.

This matched set of four bearings offers balanced performance for demanding setups. Suitable for machine tools or high-speed spindles where accuracy is key.

Weighing 0.54kg, it operates in temperatures from -30°C to 110°C. Compliant with P4A tolerance class for reliable performance.

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Product Parameters

  • Part Number S71910 ACD/P4AQBCA
  • 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 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 25
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • 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 7605 lbf
  • Static Radial Load 8775 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.54 kg
Super Precision Angular Contact Ball Bearings S71910 ACD/P4AQBCA dimension drawing
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Features

Performance Features of S71910 ACD/P4AQBCA Bearing

S71910 ACD/P4AQBCA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability and smooth operation under high-speed conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 34,000 rpm, it excels in demanding environments.

S71910 ACD/P4AQBCA Bearing’s sealed design protects against contaminants, extending service life.
Its extra light preload ensures minimal resistance, ideal for precision machinery.

The matched arrangement of four bearings provides balanced load handling.
Grease lubrication further enhances its reliability and reduces maintenance needs.

Application

Industrial Uses of S71910 ACD/P4AQBCA Bearing
S71910 ACD/P4AQBCA 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 automotive applications, S71910 ACD/P4AQBCA Bearing supports components like electric motors and transmissions, thanks to its extra light preload and high-speed capability. The matched arrangement of four bearings provides stability under varying loads.

For medical imaging devices, S71910 ACD/P4AQBCA Bearing’s phenolic cage and chrome steel construction offer reliable operation in sensitive equipment. Its P4A tolerance class ensures the precision needed for diagnostic accuracy.

Automation systems benefit from S71910 ACD/P4AQBCA Bearing’s ability to handle high speeds and angular loads in robotic arms. The grease lubrication reduces maintenance needs, making it ideal for continuous operation.

In consumer electronics, S71910 ACD/P4AQBCA Bearing can be found in high-performance printers and scanners, where its quiet operation and durability are valued. The metric sizing ensures compatibility with a range of compact devices.

Q&A

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