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Constant Section (CS) Bearings KG090AR0

Constant Section (CS) Bearings KG090AR0

The KG090AR0 is a slim angular contact ball bearing with a 9″ bore and 11″ outer diameter, crafted from sturdy chrome steel. It handles radial loads up to 9073 lbf and static thrust loads up to 21640 lbf, making it a robust choice for demanding applications.

Its open design and brass cage ensure smooth operation, while the 30° contact angle provides excellent stability under angular loads. The bearing works reliably in temperatures ranging from -30°C to 110°C.

This model is interchangeable with KAYDON bearings, offering a versatile replacement option. Ideal for machinery requiring precise angular contact, such as robotics or aerospace equipment.

Weighing 7.22 lbs, it’s lightweight for its size and complies with RoHS standards for safe use.

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Product Parameters

  • Part Number KG090AR0
  • Brand TFL
  • Interchangeable KAYDON
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Angular Contact
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 9"
  • Bore Dia Tolerance -0.0012"– 0"
  • Outer Dia 11"
  • 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-1
  • Radial Clearance 0.0000 – 0.0005"
  • Contact Angle 30°
  • External Diameter On Inner Ring 9.742"
  • Internal Diameter On Outer Ring (Small Side Face) 10.258"
  • Internal Diameter On Outer Ring (Large Side Face) 10.485"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 9073 lbf
  • Static Radial Load 18960 lbf
  • Static Thrust Load 21640 lbf
  • Static Moment 54720 lbf
  • Temperature Range -30°C to 110 °C
  • ISO Radial 13446 lbf
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 7.22 lbs
  • price（$） 274.64
Constant Section (CS) Bearings KG090AR0 dimension drawing
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Features

Engineered for Precision: KG090AR0 Bearing

KG090AR0 Bearing features a 30° contact angle, optimising load distribution for angular contact applications.
Its chrome steel construction ensures durability and reliable performance under dynamic radial loads up to 9073 lbf.
The brass cage maintains ball alignment, reducing friction and wear.
With ABEC-1 tolerance, KG090AR0 Bearing delivers consistent precision in demanding conditions.

Application

Industrial Uses of KG090AR0 Bearing
KG090AR0 Bearing is commonly used in industrial machinery where space constraints are a concern, thanks to its slim 1″ profile. The open design and brass cage make it suitable for applications like rotary tables and indexing heads.

Where Is KG090AR0 Bearing Used?
You’ll often find KG090AR0 Bearing in automation systems, particularly in robotic arms that require precise angular contact. Its 30° contact angle ensures smooth operation under both radial and thrust loads.

Built for Heavy-Duty Use: KG090AR0 Bearing
KG090AR0 Bearing handles heavy loads effortlessly, making it ideal for construction equipment like crane rotators. The chrome steel construction provides durability in tough environments.

Automotive vs Aerospace: Applications of KG090AR0 Bearing
In automotive systems, KG090AR0 Bearing supports steering columns, while in aerospace, it’s used in control mechanisms. Its ABEC-1 tolerance ensures reliable performance in both fields.

Perfect Fit for Automation: KG090AR0 Bearing
KG090AR0 Bearing works well in 3D printers and CNC machines due to its precise angular contact. The inch sizing makes it compatible with many North American industrial standards.

Q&A

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