Super Precision Angular Contact Ball Bearings 71910 ACD/P4AQBCC

The 71910 ACD/P4AQBCC is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from durable chrome steel. It handles both radial and angular loads, with a dynamic radial load capacity of 7605 lbf.

Designed for high-speed applications, it spins smoothly at up to 46,000 RPM. The phenolic cage ensures stability, while the open design allows easy lubrication.

This bearing comes in a matched set of four, preloaded for moderate performance. Ideal for precision machinery like spindles or CNC equipment where accuracy is key.

Weighing 0.52kg, it operates in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards for reliable performance.

Get A Free Quote

Description

Features

Application

Q&A

Product Parameters

Part Number 71910 ACD/P4AQBCC
Brand TFL
Interchangeable SKF
Bore Dia 50 mm
Bore Dia Tolerance -0.004mm to 0
Outer Dia 72 mm
Outer Dia Tolerance -0.004mm to 0
Width 48 mm
Width Tolerance -0.2mm to 0
Ball Dia 6.35 mm
Ball Qty 25
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 Moderate / Class C
For Load Direction Angular Contact
Ring Material Chrome Steel
Ball Material Chrome Steel
Cage Material Phenolic
Dynamic Radial Load 7605 lbf
Static Radial Load 8775 lbf
Lubrication Lubricated
Temperature Range - 30°C to 110 °C
Max Speed 46000 rpm
Weight 0.52 kg

Super Precision Angular Contact Ball Bearings 71910 ACD/P4AQBCC dimension drawing

Download DWG Download PDF

Features

How Does 71910 ACD/P4AQBCC Bearing Reduce Friction?

71910 ACD/P4AQBCC Bearing features a 25° contact angle, optimising load distribution for smoother operation.
Its chrome steel construction ensures durability while maintaining low friction levels.

The phenolic cage minimises heat generation, enhancing efficiency during high-speed applications.
With a maximum speed of 46,000 rpm, it delivers reliable performance in precision tasks.

Precision-matched as a set of four bearings, it provides consistent angular contact performance.
Moderate preload (Class C) further reduces vibration and improves operational stability.

Its open design allows for easy lubrication, ensuring long-term smooth operation.
The P4A tolerance class guarantees high precision in demanding industrial applications.

Application

Common Applications of 71910 ACD/P4AQBCC Bearing
71910 ACD/P4AQBCC Bearing is widely 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 tolerances.

In robotics, 71910 ACD/P4AQBCC Bearing provides smooth motion control for articulated arms and joints. Its phenolic cage reduces friction, enhancing efficiency in automated systems.

For aerospace components, 71910 ACD/P4AQBCC Bearing handles both radial and axial loads in navigation systems. The chrome steel construction offers durability in extreme temperature conditions.

Where Is 71910 ACD/P4AQBCC Bearing Used?
71910 ACD/P4AQBCC Bearing is a go-to choice for CNC machining centres, ensuring precise cutting and milling operations. Its matched arrangement of four bearings improves load distribution.

In medical imaging devices, 71910 ACD/P4AQBCC Bearing supports rotating elements with minimal vibration. The open seal type allows for easy lubrication maintenance.

Built for Heavy-Duty Use: 71910 ACD/P4AQBCC Bearing
71910 ACD/P4AQBCC Bearing excels in industrial pumps, where its high-speed capability and angular contact design reduce wear. The phenolic cage material resists corrosion in harsh environments.

For electric vehicle motors, 71910 ACD/P4AQBCC Bearing ensures reliable performance under continuous angular loads. Its metric dimensions make it compatible with various motor designs.

Automotive vs Aerospace: Applications of 71910 ACD/P4AQBCC Bearing
In automotive transmissions, 71910 ACD/P4AQBCC Bearing handles high-speed rotations with minimal noise. The chrome steel balls and rings provide long-lasting performance.

For aerospace actuators, 71910 ACD/P4AQBCC Bearing offers precision and reliability under varying loads. Its temperature range suits both ground and flight conditions.