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Constant Section (CS) Bearings KB075AR0

Constant Section (CS) Bearings KB075AR0

The KB075AR0 is a slim angular contact ball bearing with a 7.5″ bore and 8.125″ outer diameter, crafted from durable chrome steel. It handles radial loads up to 1235 lbf and static thrust loads of 3120 lbf, making it versatile for various applications.

With a 30° contact angle and brass cage, it offers smooth operation and long-lasting performance. Its open design allows for easy lubrication, ensuring minimal maintenance over time.

This bearing is interchangeable with KAYDON models, ideal for precision machinery where space is limited. Suitable for use in temperatures ranging from -30°C to 110°C.

Weighing just 0.54 lbs, it’s lightweight yet robust. Compliant with RoHS standards, it’s a reliable choice for industrial and engineering applications.

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Product Parameters

  • Part Number KB075AR0
  • 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 8.125"
  • Outer Dia Tolerance -0.0012"– 0"
  • Width 0.3125"
  • Width Tolerance +.000 –.005"
  • Thin Section Bearings Type Reali-Slim Open Bearings
  • Series KB 5/16" x 5/16"
  • Tolerance Class ABEC-1
  • Radial Clearance 0.0000 – 0.0005"
  • Contact Angle 30°
  • External Diameter On Inner Ring 7.731"
  • Internal Diameter On Outer Ring (Small Side Face) 7.893"
  • Internal Diameter On Outer Ring (Large Side Face) 7.955"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 1235 lbf
  • Static Radial Load 3700 lbf
  • Static Thrust Load 3120 lbf
  • Static Moment 10670 lbf
  • Temperature Range -30°C to 110 °C
  • ISO Radial 2409 lbf
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 0.54 lbs
  • price（$） 207.62
Constant Section (CS) Bearings KB075AR0 dimension drawing
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Features

How Is KB075AR0 Bearing Engineered for Reliability?

KB075AR0 Bearing features a single-row angular contact design, optimised for handling both radial and thrust loads.

The chrome steel rings and balls ensure durability, while the brass cage maintains proper ball alignment.

With a dynamic radial load capacity of 1235 lbf, it performs reliably in various applications.

Its ABEC-1 tolerance class guarantees consistent precision and smooth operation.

Application

Essential Roles of KB075AR0 Bearing
KB075AR0 Bearing is commonly used in industrial automation, especially in robotic arms where its angular contact design handles both radial and axial loads efficiently. The thin section construction saves space without compromising strength.

In aerospace applications, KB075AR0 Bearing’s precision tolerances make it suitable for control systems and actuators. Its brass cage ensures smooth operation even under varying temperatures.

For medical imaging devices, KB075AR0 Bearing provides reliable performance due to its chrome steel construction. The open design allows for easy lubrication, extending service life in high-use environments.

KB075AR0 Bearing is also found in packaging machinery, where its ability to handle moment loads improves equipment stability. The inch sizing makes it compatible with many North American industrial systems.

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