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Super Precision Angular Contact Ball Bearings S71913 ACD/P4ATBTB

Super Precision Angular Contact Ball Bearings S71913 ACD/P4ATBTB

The S71913 ACD/P4ATBTB is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 9518 lbf and spins smoothly at speeds up to 31,000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle and light preload (Class B) provide excellent stability for precision applications.

This set includes three matched bearings arranged in a TBT configuration, ideal for high-accuracy machinery like spindles or CNC tools. It operates reliably in temperatures from -30°C to 110°C.

Weighing 0.63kg, it’s a robust yet compact choice for demanding environments. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number S71913 ACD/P4ATBTB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 39 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 9518 lbf
  • Static Radial Load 10800 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.63 kg
Super Precision Angular Contact Ball Bearings S71913 ACD/P4ATBTB dimension drawing
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Features

Performance Features of S71913 ACD/P4ATBTB Bearing

S71913 ACD/P4ATBTB Bearing is designed for precision with a 25° contact angle, ideal for angular load applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage maintains alignment under high speeds.

With a dynamic radial load capacity of 9518 lbf, it handles demanding conditions reliably.
The sealed design and grease lubrication reduce maintenance needs, extending service life.

S71913 ACD/P4ATBTB Bearing operates smoothly at speeds up to 31,000 rpm, balancing performance and efficiency.
Its P4A tolerance class ensures high precision, making it suitable for critical applications.

Application

Industrial Uses of S71913 ACD/P4ATBTB Bearing
S71913 ACD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load distribution. The sealed design keeps contaminants out, extending service life in demanding workshop conditions.

In automotive applications, S71913 ACD/P4ATBTB Bearing supports high-speed spindle systems in performance vehicles, thanks to its light preload and phenolic cage. The matched set of three bearings provides stability under varying angular loads.

For medical imaging devices, S71913 ACD/P4ATBTB Bearing’s P4A tolerance class delivers the quiet operation needed for sensitive diagnostic equipment. Its chrome steel construction maintains precision even during prolonged use.

Automation systems benefit from S71913 ACD/P4ATBTB Bearing’s grease lubrication, which reduces maintenance needs in robotic arms. The 31,000 rpm maximum speed makes it suitable for rapid, repetitive movements.

In consumer electronics, S71913 ACD/P4ATBTB Bearing’s compact design fits well in precision printers and scanners. The sealed construction prevents dust ingress, ensuring reliable performance in office environments.

Q&A

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