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Super Precision Angular Contact Ball Bearings 71914 ACD/P4AQBCB

Super Precision Angular Contact Ball Bearings 71914 ACD/P4AQBCB

The 71914 ACD/P4AQBCB is a super precision angular contact ball bearing with a 70mm bore and 100mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 19170 lbf and spins smoothly at speeds up to 28000 RPM.

With a 25° contact angle and light preload, it offers excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This set includes four matched bearings (QBC arrangement), ideal for spindle or machine tool use. It performs reliably in temperatures from -30°C to 110°C.

Weighing 1.32kg, it’s a robust choice for demanding industrial environments. Compliant with P4A tolerance standards for precise performance.

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Product Parameters

  • Part Number 71914 ACD/P4AQBCB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 70 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 64 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 9.525 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • 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 19170 lbf
  • Static Radial Load 29025 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 1.32 kg
Super Precision Angular Contact Ball Bearings 71914 ACD/P4AQBCB dimension drawing
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Features

Performance Features of 71914 ACD/P4AQBCB Bearing

71914 ACD/P4AQBCB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 19170 lbf.

The phenolic cage ensures smooth operation at high speeds, reaching up to 28,000 rpm.
Precision P4A tolerance class guarantees consistent performance in demanding conditions.

With a matched arrangement of four bearings, it provides stability for complex setups.
The open design allows easy lubrication, maintaining efficiency over extended use.

Operating between -30°C to 110°C, it adapts to varied environments without compromising reliability.
Its lightweight phenolic cage reduces overall weight while maintaining structural integrity.

Application

Common Applications of 71914 ACD/P4AQBCB Bearing
71914 ACD/P4AQBCB Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload and P4A tolerance class make it suitable for applications demanding minimal vibration.

In robotics, 71914 ACD/P4AQBCB Bearing supports articulated arms, providing smooth movement and long service life. Its phenolic cage reduces friction, which is ideal for repetitive motions in automated systems.

For aerospace components, 71914 ACD/P4AQBCB Bearing handles both radial and axial loads in navigation systems. The chrome steel construction offers durability under varying temperatures and speeds.

Medical imaging devices benefit from 71914 ACD/P4AQBCB Bearing’s precision, ensuring reliable performance in sensitive equipment. The matched set arrangement enhances stability for critical applications.

In electric vehicle motors, 71914 ACD/P4AQBCB Bearing contributes to efficient power transmission. Its high-speed capability and lubrication compatibility make it a practical choice for modern automotive designs.

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