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Constant Section (CS) Bearings KB047AR0
Constant Section (CS) Bearings KB047AR0

Constant Section (CS) Bearings KB047AR0

The KB047AR0 is a slim, angular contact ball bearing measuring 4.75″ in bore diameter and 5.375″ in outer diameter, with a width of just 0.3125″. Made from chrome steel, it’s designed for precision and durability.

This bearing handles radial loads up to 951 lbf and static thrust loads up to 2340 lbf, making it suitable for applications requiring both strength and precision. Its 30° contact angle ensures smooth operation under angular loads.

With an open design and brass cage, it offers easy maintenance and long service life. The ABEC-1 tolerance class ensures reliable performance in various conditions.

Ideal for use in machinery where space is limited but precision is key, such as robotics or medical equipment. It operates well in temperatures from -30°C to 110°C and is RoHS compliant for safe use.

Weighing only 0.35 lbs, it’s lightweight yet robust, and interchangeable with KAYDON bearings for easy replacement.

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Product Parameters

  • Part Number KB047AR0
  • Brand TFL
  • Interchangeable KAYDON
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Angular Contact
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 4.75"
  • Bore Dia Tolerance -0.0010"– 0"
  • Outer Dia 5.375"
  • Outer Dia Tolerance -0.0008"– 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 4.981"
  • Internal Diameter On Outer Ring (Small Side Face) 5.143"
  • Internal Diameter On Outer Ring (Large Side Face) 5.210"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 951 lbf
  • Static Radial Load 2390 lbf
  • Static Thrust Load 2340 lbf
  • Static Moment 6910 lbf
  • Temperature Range -30°C to 110 °C
  • ISO Radial 2051 lbf
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 0.35 lbs
  • price($) 119.58

Features

How Does KB047AR0 Bearing Handle Angular Contact Loads?

KB047AR0 Bearing features a 30° contact angle, optimised for angular contact loads in precision applications.
Its chrome steel rings and balls provide strength, while the brass cage ensures smooth operation.

With a dynamic radial load capacity of 951 lbf, KB047AR0 Bearing performs reliably under stress.
The ABEC-1 tolerance class ensures consistent precision, suitable for demanding tasks.

KB047AR0 Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its open design simplifies maintenance, reducing downtime and operational costs.

Application

Industrial Uses of KB047AR0 Bearing
KB047AR0 Bearing is commonly used in industrial machinery where space is limited but precision is key, such as robotic arms and CNC machines. Its thin-section design allows for compact installations without sacrificing performance.

In automation systems, KB047AR0 Bearing provides smooth angular contact motion, ideal for rotary tables and indexing devices. The brass cage ensures quiet operation, making it suitable for noise-sensitive environments.

For medical imaging equipment, KB047AR0 Bearing’s chrome steel construction offers reliable performance in high-precision applications. The ABEC-1 tolerance class ensures consistent accuracy for critical components.

Where Is KB047AR0 Bearing Used?
KB047AR0 Bearing finds its place in aerospace applications, particularly in control systems requiring lightweight yet durable components. Its inch sizing makes it compatible with many North American aircraft designs.

In consumer electronics, KB047AR0 Bearing supports devices like high-end cameras and optical instruments. The 30° contact angle provides stability for precise movements in compact setups.

Built for Heavy-Duty Use: KB047AR0 Bearing
KB047AR0 Bearing handles radial and moment loads effectively, making it a go-to choice for industrial turntables and positioning systems. The lubricated design ensures long service life even in continuous operation.

For automotive steering systems, KB047AR0 Bearing’s static thrust load capacity ensures reliable performance under varying pressures. Its chrome steel rings resist wear in high-stress conditions.

Light-Duty vs Heavy-Duty: Best Uses for KB047AR0 Bearing
In light-duty applications like 3D printers, KB047AR0 Bearing offers smooth motion control with minimal friction. The open design allows for easy lubrication maintenance.

For heavy-duty scenarios such as construction equipment, KB047AR0 Bearing’s dynamic radial load capacity ensures durability. The brass cage adds corrosion resistance in harsh environments.

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