Super Precision Angular Contact Ball Bearings 71940 CD/P4ADGA

The 71940 CD/P4ADGA is a super precision angular contact ball bearing with a 200mm bore and 280mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 76050 lbf and operates smoothly at speeds up to 6300 RPM.

With a 15° contact angle and universal matching design, it offers flexibility for back-to-back, face-to-face, or tandem arrangements. The phenolic cage ensures durability and reduced friction during high-speed rotations.

This bearing is lubricated for easy maintenance and performs reliably in temperatures from -30°C to 110°C. Its extra light preload (Class A) makes it ideal for precision applications like machine tool spindles or high-performance gearboxes.

Weighing 12.2kg, it comes as a matched set of two bearings, interchangeable with SKF models. The P4A tolerance class guarantees exceptional accuracy for demanding industrial uses.

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Description

Features

Application

Q&A

Product Parameters

Part Number 71940 CD/P4ADGA
Brand TFL
Interchangeable SKF
Bore Dia 200 mm
Bore Dia Tolerance -0.004mm to 0
Outer Dia 280 mm
Outer Dia Tolerance -0.004mm to 0
Width 76 mm
Width Tolerance -0.2mm to 0
Ball Dia 25.4 mm
Ball Qty 26
Contact Angle 15°
Tolerance Class P4A
System of Measurement Metric
Seal Type Open
Matched Arrangement Universal matching
Number Of Bearings In Matched Set 2
Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
Preload Extra light / Class A
For Load Direction Angular Contact
Ring Material Chrome Steel
Ball Material Chrome Steel
Cage Material Phenolic
Dynamic Radial Load 76050 lbf
Static Radial Load 119250 lbf
Lubrication Lubricated
Temperature Range - 30°C to 110 °C
Max Speed 6300 rpm
Weight 12.2 kg

Super Precision Angular Contact Ball Bearings 71940 CD/P4ADGA dimension drawing

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Features

Performance Features of 71940 CD/P4ADGA Bearing

71940 CD/P4ADGA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability and smooth operation under high radial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 76050 lbf, it handles demanding conditions reliably.

71940 CD/P4ADGA Bearing operates efficiently at speeds up to 6,300 rpm.
Its universal matching design allows flexible arrangement in back-to-back or face-to-face configurations.

The extra light preload ensures minimal friction, ideal for high-precision tasks.
Its temperature range of -30°C to 110°C makes it suitable for varied environments.

Application

Common Applications of 71940 CD/P4ADGA Bearing
71940 CD/P4ADGA Bearing is widely used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load distribution. The universal matching design allows flexible arrangements like back-to-back or face-to-face configurations.

In aerospace applications, 71940 CD/P4ADGA Bearing supports critical components like jet engine shafts, thanks to its phenolic cage and chrome steel construction. The extra-light preload helps maintain stability during high-speed rotations.

For robotics, 71940 CD/P4ADGA Bearing excels in articulated arms, providing smooth motion control with minimal friction. Its P4A tolerance class guarantees consistent performance in demanding automated systems.

Medical imaging devices also benefit from 71940 CD/P4ADGA Bearing’s precision, particularly in MRI machines where quiet operation is essential. The lubricated design ensures long service life even in continuous-use scenarios.