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Constant Section (CS) Bearings KG075AR3

The KG075AR3 is a slim angular contact ball bearing with a 7.5″ bore and 9.5″ outer diameter, designed for inch-based systems. Its compact 1″ width and chrome steel construction make it both lightweight and durable.

This bearing handles radial loads up to 8303 lbf and thrust loads up to 19420 lbf, with a 30° contact angle for smooth operation. It’s rated for temperatures between -30°C and 110°C, suitable for various industrial conditions.

Featuring an open design with brass cage, it allows easy lubrication and maintenance. The ABEC 3F tolerance ensures reliable precision in motion control applications.

Ideal for machinery requiring slim profile bearings, such as robotics or precision equipment. It’s interchangeable with KAYDON models, offering flexibility for replacements. Compliant with RoHS standards for environmental safety.

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Description

Features

Application

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Product Parameters

Part Number KG075AR3
Brand TFL
Interchangeable KAYDON
System of Measurement Inch
Bearing Type Ball
For Load Direction Angular Contact
Construction Single Row
Seal Type Open
Bore Dia 7.5"
Bore Dia Tolerance -0.0012"– 0"
Outer Dia 9.5"
Outer Dia Tolerance -0.0012"– 0"
Width 1"
Width Tolerance +.000 –.005"
Thin Section Bearings Type Reali-Slim Open Bearings
Series KG 1" x 1"
Tolerance Class ABEC 3F
Radial Clearance 0.0000 – 0.0005"
Contact Angle 30°
External Diameter On Inner Ring 8.242"
Internal Diameter On Outer Ring (Small Side Face) 8.758"
Internal Diameter On Outer Ring (Large Side Face) 8.987"
Ring Material Chrome Steel
Ball Material Chrome Steel
Cage Material Brass
Dynamic Radial Load 8303 lbf
Static Radial Load 16110 lbf
Static Thrust Load 19420 lbf
Static Moment 46510 lbf
Temperature Range -30°C to 110 °C
ISO Radial 12629 lbf
Lubrication Lubricated
RoHS Compliant
Weight 6.2 lbs
price（$） 242.83

Constant Section (CS) Bearings KG075AR3 Drawing.dwg

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Features

How Does KG075AR3 Bearing Handle Angular Contact Loads?

KG075AR3 Bearing features a 30° contact angle, optimised for angular contact loads and precise motion control.
Its chrome steel construction ensures durability, while the brass cage maintains ball alignment for smooth operation.
With a static thrust load capacity of 19,420 lbf, it performs reliably in demanding applications.
The ABEC 3F tolerance class guarantees consistent precision, making it suitable for high-accuracy tasks.

Application

Industrial Uses of KG075AR3 Bearing
KG075AR3 Bearing is commonly used in machine tools, where its angular contact design helps manage both radial and axial loads efficiently. The open seal type allows for easy lubrication, extending its service life in demanding conditions.

In robotics, KG075AR3 Bearing provides smooth motion control for robotic arms, thanks to its precise ABEC 3F tolerance. The brass cage ensures quiet operation, making it ideal for automated systems.

For aerospace applications, KG075AR3 Bearing’s chrome steel construction offers reliability in components like actuators and control systems. Its thin-section design saves space without compromising load capacity.

KG075AR3 Bearing also fits well in medical imaging devices, where consistent performance is essential. The 30° contact angle ensures stability during high-precision movements.

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