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Super Precision Angular Contact Ball Bearings 71915 ACD/P4ADBC

Super Precision Angular Contact Ball Bearings 71915 ACD/P4ADBC

The 71915 ACD/P4ADBC is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 12442 lbf and spins smoothly at speeds up to 22000 RPM.

Its 25° contact angle and matched arrangement (2 bearings DB) provide excellent stability under combined loads. The phenolic cage ensures quiet operation and long service life.

This bearing is lubricated for reduced friction and works in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or aerospace components.

Weighing 0.7kg, it meets P4A tolerance standards for exceptional accuracy. The open design allows easy maintenance and inspection.

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Product Parameters

  • Part Number 71915 ACD/P4ADBC
  • 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 P4A
  • 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 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/P4ADBC dimension drawing
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Features

Performance Features of 71915 ACD/P4ADBC Bearing

71915 ACD/P4ADBC 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 noise during high-speed operation.
With a maximum speed of 22,000 rpm, it delivers reliable performance in precision tasks.

71915 ACD/P4ADBC Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its moderate preload (Class C) ensures stable performance in matched bearing arrangements.

The open design allows for easy lubrication, enhancing longevity and reducing maintenance.
Precision P4A tolerance guarantees consistent performance in demanding applications.

Application

Ideal for Precision: 71915 ACD/P4ADBC Bearing
71915 ACD/P4ADBC Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate alignment under radial and axial loads. The phenolic cage reduces friction, making it suitable for high-speed operations.

In aerospace applications, 71915 ACD/P4ADBC Bearing supports components like turbine shafts, thanks to its moderate preload and P4A tolerance class. The matched arrangement of two bearings enhances stability in demanding conditions.

For robotics, 71915 ACD/P4ADBC Bearing’s chrome steel construction provides durability in articulated arms and joints. Its open design allows for easy lubrication, extending service life in continuous operation.

Medical imaging devices benefit from 71915 ACD/P4ADBC Bearing’s smooth performance, crucial for reducing vibration in sensitive equipment. The metric sizing ensures compatibility with a range of European and Asian medical machinery.

In automation systems, 71915 ACD/P4ADBC Bearing excels in linear guides and spindle drives, where its high dynamic radial load capacity ensures reliable performance. The lubricated design minimises maintenance needs.

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