Super Precision Angular Contact Ball Bearings 71915 CD/P4AQBCC

The 71915 CD/P4AQBCC is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes in a matched set of four bearings for balanced performance.

This model handles radial loads up to 21510 lbf and reaches speeds of 36000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and durability under stress.

The open design allows for easy lubrication, while the P4A tolerance class guarantees precision. Ideal for machine tools or spindle drives where accuracy is key.

With a temperature range of -30°C to 110°C, it performs reliably in various conditions. Weighing 1.4kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings for convenient replacements.

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Description

Features

Application

Q&A

Product Parameters

Part Number 71915 CD/P4AQBCC
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 64 mm
Width Tolerance -0.2mm to 0
Ball Dia 9.525 mm
Ball Qty 26
Contact Angle 15°
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 21510 lbf
Static Radial Load 33750 lbf
Lubrication Lubricated
Temperature Range - 30°C to 110 °C
Max Speed 36000 rpm
Weight 1.4 kg

Super Precision Angular Contact Ball Bearings 71915 CD/P4AQBCC dimension drawing

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Features

How Does 71915 CD/P4AQBCC Bearing Achieve Super Precision?

71915 CD/P4AQBCC Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and consistent performance under dynamic radial loads up to 21510 lbf.

The phenolic cage maintains ball alignment, reducing friction and enabling smooth operation at speeds up to 36,000 rpm.
With a P4A tolerance class, it delivers exceptional accuracy for demanding industrial uses.

Moderate preload (Class C) enhances stability, making it suitable for matched arrangements of up to four bearings.
Its open design allows for easy lubrication, extending service life in temperatures ranging from -30°C to 110°C.

Application

Common Applications of 71915 CD/P4AQBCC Bearing
71915 CD/P4AQBCC Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The moderate preload and P4A tolerance class make it suitable for applications demanding tight control.

In robotics, 71915 CD/P4AQBCC Bearing supports articulated arms, providing smooth movement and reliable performance. Its phenolic cage reduces friction, enhancing efficiency in repetitive tasks.

For aerospace components, 71915 CD/P4AQBCC Bearing handles radial and axial loads in systems like gyroscopes. The chrome steel construction offers durability under varying temperatures and stresses.

Where Is 71915 CD/P4AQBCC Bearing Used?
71915 CD/P4AQBCC Bearing can be found in medical imaging devices, where its high-speed capability and precision are essential. The open design allows for easy lubrication, maintaining performance over time.

In industrial automation, 71915 CD/P4AQBCC Bearing is ideal for CNC machinery, ensuring consistent operation. The matched arrangement of four bearings provides stability in demanding environments.

Built for Heavy-Duty Use: 71915 CD/P4AQBCC Bearing
71915 CD/P4AQBCC Bearing excels in wind turbine gearboxes, handling both radial and angular loads. Its robust construction and high dynamic load capacity ensure long service life.

For printing machinery, 71915 CD/P4AQBCC Bearing offers reliable performance at high speeds. The phenolic cage material reduces wear, making it a cost-effective choice for continuous operation.

Automotive vs Aerospace: Applications of 71915 CD/P4AQBCC Bearing
In automotive systems, 71915 CD/P4AQBCC Bearing supports high-performance transmissions, where precision and durability are key. The 15° contact angle optimises load distribution.

For aerospace applications, 71915 CD/P4AQBCC Bearing is used in flight control systems, where its reliability and tolerance to temperature variations are critical. The metric sizing ensures compatibility with international standards.