Super Precision Angular Contact Ball Bearings 7210 CD/P4ATGB

The 7210 CD/P4ATGB is a super precision angular contact ball bearing with a 50mm bore and 90mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 21938 lbf and operates smoothly at speeds up to 41000 RPM.

Its 15° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face. The phenolic cage ensures quiet, long-lasting performance, while the open seal simplifies maintenance.

This bearing is ideal for high-precision applications like machine tool spindles or robotics, where accuracy and speed matter. It comes pre-lubricated and works in temperatures from -30°C to 110°C.

Weighing 1.39kg, it’s part of a matched set of three bearings, interchangeable with SKF models. Compliant with P4A tolerance class for exceptional precision.

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Description

Features

Application

Q&A

Product Parameters

Part Number 7210 CD/P4ATGB
Brand TFL
Interchangeable SKF
Bore Dia 50 mm
Bore Dia Tolerance -0.004mm to 0
Outer Dia 90 mm
Outer Dia Tolerance -0.004mm to 0
Width 60 mm
Width Tolerance -0.2mm to 0
Ball Dia 12.7 mm
Ball Qty 15
Contact Angle 15°
Tolerance Class P4A
System of Measurement Metric
Seal Type Open
Matched Arrangement Universal matching
Number Of Bearings In Matched Set 3
Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
Preload Light / Class B
For Load Direction Angular Contact
Ring Material Chrome Steel
Ball Material Chrome Steel
Cage Material Phenolic
Dynamic Radial Load 21938 lbf
Static Radial Load 22950 lbf
Lubrication Lubricated
Temperature Range - 30°C to 110 °C
Max Speed 41000 rpm
Weight 1.39 kg
Price（$） 314.127

Super Precision Angular Contact Ball Bearings 7210 CD/P4ATGB dimension drawing

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Features

How Does 7210 CD/P4ATGB Bearing Reduce Friction?

7210 CD/P4ATGB Bearing features a 15° contact angle, optimised for smooth angular contact operation.
Its chrome steel construction ensures durability while maintaining low friction during high-speed rotations.

The phenolic cage design minimises heat generation, enhancing efficiency even at speeds up to 41,000 rpm.
With universal matching capability, it offers flexibility in various mounting configurations.

Precision-ground raceways provide consistent performance under dynamic radial loads up to 21,938 lbf.
This bearing maintains reliable operation within a temperature range of -30°C to 110°C.

Its open design allows for easy lubrication, ensuring long service life with minimal maintenance.
The matched set of three bearings enables versatile installation options for different load requirements.

Application

Industrial Uses of 7210 CD/P4ATGB Bearing
The 7210 CD/P4ATGB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation.
Its universal matching feature allows flexible arrangements, making it suitable for complex setups in manufacturing.

Where Is 7210 CD/P4ATGB Bearing Used?
You’ll often find 7210 CD/P4ATGB Bearing in automotive transmissions, where its light preload reduces friction and improves efficiency.
The phenolic cage material also helps dampen vibrations, enhancing smooth gear shifts.

Built for Heavy-Duty Use: 7210 CD/P4ATGB Bearing
In robotics, 7210 CD/P4ATGB Bearing handles high-speed joint movements thanks to its P4A tolerance class.
The chrome steel construction ensures long-lasting performance even in demanding automated systems.

Medical vs Industrial: Where 7210 CD/P4ATGB Bearing Excels
For medical imaging devices, 7210 CD/P4ATGB Bearing offers quiet operation and precise alignment.
In industrial pumps, its dynamic radial load capacity keeps equipment running reliably under constant stress.

Practical Applications of 7210 CD/P4ATGB Bearing
The 7210 CD/P4ATGB Bearing works well in 3D printers, where its tandem arrangement supports precise linear motion.
Its temperature range also makes it adaptable to various operating environments, from workshops to labs.