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Super Precision Angular Contact Ball Bearings 71915 ACD/PA9ADT

Super Precision Angular Contact Ball Bearings 71915 ACD/PA9ADT

The 71915 ACD/PA9ADT is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 12442 lbf and operates smoothly at speeds up to 22000 RPM.

Its 25° contact angle and matched arrangement (2 bearings << DT) provide excellent stability and load distribution. The phenolic cage ensures durability while keeping the weight low at just 0.7kg. Preloaded for precision, this bearing is ideal for high-speed applications like machine tool spindles or precision instruments. It works reliably in temperatures ranging from -30°C to 110°C. Interchangeable with SKF bearings, it offers a practical solution for replacements. The open design allows for easy lubrication, ensuring long service life.

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Product Parameters

  • Part Number 71915 ACD/PA9ADT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 75 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 105 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 32 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 9.525 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class PA9A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 12442 lbf
  • Static Radial Load 15975 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 22000 rpm
  • Weight 0.7 kg
Super Precision Angular Contact Ball Bearings 71915 ACD/PA9ADT dimension drawing
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Features

Performance Features of 71915 ACD/PA9ADT Bearing

71915 ACD/PA9ADT Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads of up to 12442 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 22,000 rpm, it delivers reliable performance in high-speed scenarios.

Preload availability allows for precise adjustments, ensuring stability in demanding conditions.
The matched arrangement of two bearings further enhances load capacity and operational efficiency.

71915 ACD/PA9ADT Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its open design simplifies maintenance while the lubricated setup reduces wear over time.

Application

Key Fields for 71915 ACD/PA9ADT Bearing
71915 ACD/PA9ADT Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The matched arrangement of two bearings enhances stability in demanding operations.

In robotics, 71915 ACD/PA9ADT Bearing supports articulated arms and joints, thanks to its phenolic cage reducing friction during rapid movements. Its open design allows for easy lubrication, extending service life.

For aerospace applications, 71915 ACD/PA9ADT Bearing’s chrome steel construction withstands extreme conditions while maintaining precision. The PA9A tolerance class ensures consistent performance in critical systems.

Automotive systems benefit from 71915 ACD/PA9ADT Bearing in gearboxes and differentials, where its dynamic load capacity handles high-speed rotations. The metric sizing makes it versatile for various vehicle designs.

Medical imaging devices rely on 71915 ACD/PA9ADT Bearing for smooth, quiet operation. Its lubricated design minimises maintenance, ideal for sensitive environments.

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