Super Precision Angular Contact Ball Bearings 71907 CDGA/P4A

The 71907 CDGA/P4A is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 2194 lbf and spins smoothly at high speeds up to 56,000 RPM.

Its 15° contact angle and open design ensure efficient load distribution and easy maintenance. The phenolic cage adds durability while keeping the weight light at just 0.074kg.

This bearing is ideal for precision applications like machine tools or spindles, where accuracy and speed are crucial. It operates reliably in temperatures from -30°C to 110°C.

Interchangeable with SKF bearings, it offers flexibility for replacements. The P4A tolerance class ensures top-tier performance for demanding setups.

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Description

Features

Application

Q&A

Product Parameters

Part Number 71907 CDGA/P4A
Brand TFL
Interchangeable SKF
Bore Dia 35 mm
Bore Dia Tolerance -0.004mm to 0
Outer Dia 55 mm
Outer Dia Tolerance -0.004mm to 0
Width 10 mm
Width Tolerance -0.2mm to 0
Ball Dia 5.556 mm
Ball Qty 21
Contact Angle 15°
Tolerance Class P4A
System of Measurement Metric
Seal Type Open
Matched Arrangement No
Number Of Bearings In Matched Set 3
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 2194 lbf
Static Radial Load 1474 lbf
Lubrication Lubricated
Temperature Range - 30°C to 110 °C
Max Speed 56000 rpm
Weight 0.074 kg
Price（$） 78.849

Super Precision Angular Contact Ball Bearings 71907 CDGA/P4A dimension drawing

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Features

Why Choose 71907 CDGA/P4A Bearing for Precision Tasks?

71907 CDGA/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 2194 lbf, it handles demanding tasks reliably.
The P4A tolerance class guarantees exceptional accuracy for critical operations.

Operating at speeds up to 56,000 rpm, it maintains smooth performance.
Its universal matching capability allows flexible configurations like back-to-back or face-to-face arrangements.

Application

Industrial Uses of 71907 CDGA/P4A Bearing
71907 CDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for continuous operation.
In robotics, 71907 CDGA/P4A Bearing supports articulated arms, providing smooth movement with minimal vibration. Its extra light preload enhances responsiveness in dynamic applications.

Key Fields for 71907 CDGA/P4A Bearing
Automotive applications like electric vehicle motors benefit from 71907 CDGA/P4A Bearing’s ability to handle combined radial and axial loads. The P4A tolerance class ensures consistent performance under varying speeds.
For medical imaging devices, 71907 CDGA/P4A Bearing’s chrome steel construction offers reliability in high-precision environments. The open design allows for easy lubrication maintenance.

How Does 71907 CDGA/P4A Bearing Support High-Speed Operations?
71907 CDGA/P4A Bearing excels in CNC machining centres, where its 56,000 rpm max speed capability meets demanding production needs. The 15° contact angle optimises load distribution for extended bearing life.
In aerospace components, 71907 CDGA/P4A Bearing’s universal matching feature allows flexible arrangement configurations. This adaptability makes it ideal for compact spaces in aircraft systems.

Built for Versatility: 71907 CDGA/P4A Bearing
71907 CDGA/P4A Bearing works well in 3D printers, providing precise linear motion control for print heads. The phenolic cage material helps reduce noise during operation.
For laboratory equipment, 71907 CDGA/P4A Bearing’s temperature stability (-30°C to 110°C) ensures reliable performance in various testing conditions. The lubricated design minimises maintenance requirements.