Super Precision Angular Contact Ball Bearings 71919 ACD/P4AQBCB

The 71919 ACD/P4AQBCB 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 27225 lbf and operates smoothly at speeds up to 16000 RPM.

Its 25° contact angle and matched set of four bearings provide excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This bearing is preloaded for light performance and works in temperatures from -30°C to 110°C. Ideal for machine tools or spindle drives where accuracy is crucial.

Weighing 2.32kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards for reliable performance.

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Description

Features

Application

Q&A

Product Parameters

Part Number 71919 ACD/P4AQBCB
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 72 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 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 27225 lbf
Static Radial Load 46800 lbf
Lubrication Lubricated
Temperature Range - 30°C to 110 °C
Max Speed 16000 rpm
Weight 2.32 kg

Super Precision Angular Contact Ball Bearings 71919 ACD/P4AQBCB dimension drawing

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Features

Performance Features of 71919 ACD/P4AQBCB Bearing

71919 ACD/P4AQBCB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls ensure durability under high dynamic radial loads of up to 27,225 lbf.

With a maximum speed of 16,000 rpm, it delivers smooth and efficient performance.
The phenolic cage maintains ball alignment, reducing friction and wear.

Its precision P4A tolerance class guarantees consistent performance in demanding conditions.
The matched set of four bearings ensures balanced operation for complex applications.

71919 ACD/P4AQBCB Bearing operates reliably within a temperature range of -30°C to 110°C.
Its open design allows for easy lubrication, enhancing longevity and reducing maintenance needs.

Application

Industrial Uses of 71919 ACD/P4AQBCB Bearing
71919 ACD/P4AQBCB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of four bearings provides stability in demanding industrial environments.

In automotive applications, 71919 ACD/P4AQBCB Bearing supports high-speed components like turbochargers and transmission systems. Its light preload and phenolic cage contribute to smooth operation under varying loads.

For medical imaging devices, 71919 ACD/P4AQBCB Bearing’s P4A tolerance class guarantees the precision needed for consistent performance. The chrome steel construction also offers durability in critical healthcare equipment.

Automation systems benefit from 71919 ACD/P4AQBCB Bearing’s ability to handle both radial and axial loads in robotic arms. The open design allows for easy lubrication, extending service life in continuous operation.