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Super Precision Angular Contact Ball Bearings 71919 ACD/P4ADBC

Super Precision Angular Contact Ball Bearings 71919 ACD/P4ADBC

The 71919 ACD/P4ADBC is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 17122 lbf and operates smoothly at speeds up to 16000 RPM.

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

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or high-speed motors.

Weighing 1.16kg, it meets P4A tolerance standards for exceptional accuracy. Compatible with SKF bearings, making it a reliable choice for replacements.

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Product Parameters

  • Part Number 71919 ACD/P4ADBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 28
  • 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 17122 lbf
  • Static Radial Load 23400 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 1.16 kg
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Features

Performance Features of 71919 ACD/P4ADBC Bearing

71919 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 and resistance to wear under high dynamic radial loads of 17122 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at speeds up to 16,000 rpm.
With a moderate preload (Class C), it provides stable operation in precision tasks.

71919 ACD/P4ADBC Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its matched arrangement of two bearings (DB configuration) ensures balanced load handling.

The P4A tolerance class guarantees high precision, making it suitable for demanding applications.
Its open design allows for easy lubrication, maintaining smooth operation over time.

Application

Key Fields for 71919 ACD/P4ADBC Bearing
71919 ACD/P4ADBC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload and P4A tolerance class make it suitable for applications demanding tight control over radial and axial loads.

In robotics, 71919 ACD/P4ADBC Bearing supports articulated arms, providing smooth movement and stability. Its phenolic cage reduces friction, enhancing performance in repetitive motion tasks.

For aerospace components, 71919 ACD/P4ADBC Bearing handles both radial and thrust loads in systems like landing gear actuators. The chrome steel construction offers durability in demanding environments.

Medical imaging devices benefit from 71919 ACD/P4ADBC Bearing’s precision, ensuring quiet and reliable operation. The matched arrangement simplifies installation in compact spaces.

Automotive testing equipment relies on 71919 ACD/P4ADBC Bearing for its ability to maintain accuracy under varying loads. The open design allows for easy lubrication, extending service life.

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