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Constant Section (CS) Bearings KG055AR0

Constant Section (CS) Bearings KG055AR0

The KG055AR0 is a slim angular contact ball bearing with a 5.5″ bore and 7.5″ outer diameter, crafted from sturdy chrome steel. It handles radial loads up to 7192 lbf and static thrust loads up to 16240 lbf, making it a versatile choice.

Its open design and brass cage ensure smooth operation, while the 30° contact angle provides 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 practical replacement option. Ideal for applications requiring precise motion control, such as robotics or medical equipment.

Weighing 4.73 lbs, it’s lightweight yet robust for its size. Compliant with RoHS standards, it’s a safe and durable choice for various industrial uses.

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Product Parameters

  • Part Number KG055AR0
  • Brand TFL
  • Interchangeable KAYDON
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Angular Contact
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 5.5"
  • Bore Dia Tolerance -0.0010"– 0"
  • Outer Dia 7.5"
  • Outer Dia Tolerance -0.0010"– 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 6.242"
  • Internal Diameter On Outer Ring (Small Side Face) 6.758"
  • Internal Diameter On Outer Ring (Large Side Face) 6.989"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 7192 lbf
  • Static Radial Load 12320 lbf
  • Static Thrust Load 16240 lbf
  • Static Moment 35570 lbf
  • Temperature Range -30°C to 110 °C
  • ISO Radial 11352 lbf
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 4.73 lbs
  • price（$） 222.92
Constant Section (CS) Bearings KG055AR0 dimension drawing
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Features

How Is KG055AR0 Bearing Engineered for Reliability?

KG055AR0 Bearing features a single-row angular contact design, optimised for handling both radial and thrust loads.

Its chrome steel rings and balls provide durability, while the brass cage ensures smooth operation.

With a dynamic radial load capacity of 7192 lbf, it performs reliably in demanding applications.

The ABEC-1 tolerance class ensures consistent precision, making it suitable for various industrial uses.

Application

Key Fields for KG055AR0 Bearing
KG055AR0 Bearing is commonly used in industrial automation, particularly in robotic arms and precision machinery where its thin-section design saves space without compromising load capacity. The angular contact design ensures smooth operation under combined radial and axial loads.

In aerospace applications, KG055AR0 Bearing provides reliable performance in control systems and actuation mechanisms. Its brass cage and chrome steel construction offer durability in demanding environments.

For medical imaging equipment, KG055AR0 Bearing’s precise tolerances and low friction contribute to accurate positioning and quiet operation. The open seal design allows for easy lubrication maintenance.

KG055AR0 Bearing is also found in semiconductor manufacturing equipment, where its consistent performance supports high-precision movements. The inch sizing makes it compatible with various North American machinery standards.

In packaging machinery, KG055AR0 Bearing handles moderate loads while maintaining alignment in conveyor systems. Its 30° contact angle ensures stability during high-speed operations.

Q&A

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