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Super Precision Angular Contact Ball Bearings 71915 CD/PA9ADBC

Super Precision Angular Contact Ball Bearings 71915 CD/PA9ADBC

The 71915 CD/PA9ADBC is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from durable chrome steel. It measures 32mm in width and comes as a matched set of two bearings for balanced performance.

This bearing handles radial loads up to 13162 lbf and spins smoothly at high speeds up to 36000 RPM. Its 15° contact angle provides excellent stability under angular loads, while the phenolic cage ensures quiet operation.

The open design allows for easy lubrication, and it operates reliably in temperatures from -30°C to 110°C. With moderate preload (Class C), it offers consistent performance in demanding applications.

Ideal for precision machinery like spindles or CNC equipment where accuracy and speed are crucial. Weighing 0.7kg, it’s a robust yet manageable component for industrial use. Compliant with high tolerance standards (PA9A) for superior fit and function.

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Product Parameters

  • Part Number 71915 CD/PA9ADBC
  • 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 15°
  • Tolerance Class PA9A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 13162 lbf
  • Static Radial Load 16875 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.7 kg
Super Precision Angular Contact Ball Bearings 71915 CD/PA9ADBC dimension drawing
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Features

Performance Features of 71915 CD/PA9ADBC Bearing

71915 CD/PA9ADBC Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under dynamic radial loads up to 13162 lbf.

The phenolic cage maintains ball alignment, reducing friction and wear during high-speed operation.
With a maximum speed of 36,000 rpm, it balances precision and performance in demanding conditions.

71915 CD/PA9ADBC Bearing operates efficiently in temperatures from -30°C to 110°C.
Its moderate preload (Class C) enhances stability, making it suitable for matched bearing arrangements.

Application

How Does 71915 CD/PA9ADBC Bearing Improve Performance?
71915 CD/PA9ADBC Bearing is commonly used in high-speed machine tools, where its 15° contact angle ensures precise radial and axial load handling. The phenolic cage reduces friction, making it suitable for continuous operation.

In automotive applications, 71915 CD/PA9ADBC Bearing supports gearbox systems, providing smooth performance under moderate preload conditions. Its matched arrangement (DB) enhances stability in demanding driving scenarios.

For robotics, 71915 CD/PA9ADBC Bearing’s chrome steel construction offers durability in mechanical arms and automated assembly lines. The open design allows for easy lubrication, extending service life in high-use environments.

Medical imaging devices benefit from 71915 CD/PA9ADBC Bearing’s precision, ensuring accurate movement in scanners and diagnostic equipment. The PA9A tolerance class guarantees consistent performance in critical applications.

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