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Constant Section (CS) Bearings KD055AR0
Constant Section (CS) Bearings KD055AR0

Constant Section (CS) Bearings KD055AR0

The KD055AR0 is a slim, angular contact ball bearing measuring 5.5″ in bore and 6.5″ in outer diameter, with a compact width of just 0.5″. Made from durable chrome steel, it’s designed for applications requiring precise movement and space efficiency.

This bearing handles radial loads up to 2145 lbf and thrust loads up to 5160 lbf, making it suitable for moderate stress scenarios. Its 30° contact angle ensures smooth operation in angular contact applications.

The open design allows easy lubrication, while the brass cage enhances durability. It operates reliably in temperatures ranging from -30°C to 110°C.

Ideal for machinery where space is limited, such as robotics or precision instruments. Compliant with RoHS standards, it’s a versatile choice for various industrial uses. Weighing 1.06 lbs, it balances strength and lightweight design.

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Product Parameters

  • Part Number KD055AR0
  • 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 6.5"
  • Outer Dia Tolerance -0.0010" – 0"
  • Width 0.5"
  • Width Tolerance +.000 –.005"
  • Thin Section Bearings Type Reali-Slim Open Bearings
  • Series KD 1/2" x 1/2"
  • Tolerance Class ABEC-1
  • Radial Clearance 0.0000 – 0.0005"
  • Contact Angle 30°
  • External Diameter On Inner Ring 5.870"
  • Internal Diameter On Outer Ring (Small Side Face) 6.130"
  • Internal Diameter On Outer Ring (Large Side Face) 6.238"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 2145 lbf
  • Static Radial Load 4740 lbf
  • Static Thrust Load 5160 lbf
  • Static Moment 13680 lbf
  • Temperature Range -30°C to 110 °C
  • ISO Radial 4138 lbf
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 1.06 lbs
  • price($) 146.62

Features

How Is KD055AR0 Bearing Engineered for Reliability?

KD055AR0 Bearing features a 30° contact angle, optimised for handling both radial and thrust loads efficiently.
Its chrome steel construction ensures durability, while the brass cage maintains smooth ball alignment.

With a dynamic radial load capacity of 2145 lbf, it performs reliably in various applications.
The ABEC-1 tolerance class guarantees consistent precision, suitable for angular contact tasks.

KD055AR0 Bearing operates smoothly within a temperature range of -30°C to 110°C.
Its open design allows for easy lubrication, enhancing long-term performance.

Application

Common Applications of KD055AR0 Bearing
KD055AR0 Bearing is widely used in industrial automation, particularly in robotic arms and precision machinery where its thin section design saves space without compromising strength. The open seal allows for easy lubrication, extending its service life in demanding conditions.

In aerospace applications, KD055AR0 Bearing provides reliable angular contact support for control systems and actuators. Its brass cage ensures smooth operation even under varying temperatures and loads.

For medical imaging devices, KD055AR0 Bearing’s chrome steel construction offers consistent performance in high-precision movements. The ABEC-1 tolerance makes it suitable for sensitive equipment where accuracy is key.

Where Is KD055AR0 Bearing Used?
KD055AR0 Bearing fits perfectly in packaging machinery, handling radial and moment loads with ease. Its compact size is ideal for equipment where space is limited but performance cannot be compromised.

In semiconductor manufacturing, KD055AR0 Bearing supports wafer handling systems with its precise angular contact capabilities. The brass cage reduces friction, ensuring smooth operation in cleanroom environments.

Built for Heavy-Duty Use: KD055AR0 Bearing
KD055AR0 Bearing excels in construction equipment, such as crane rotators, where its high static load capacity ensures stability. The chrome steel rings provide durability against harsh outdoor conditions.

For food processing machinery, KD055AR0 Bearing’s open design allows for easy cleaning, meeting hygiene standards. Its inch sizing makes it compatible with North American industrial equipment.

Automotive vs Aerospace: Applications of KD055AR0 Bearing
In automotive steering systems, KD055AR0 Bearing handles angular loads efficiently, contributing to responsive control. Its brass cage minimises wear, even under constant movement.

For aerospace landing gear mechanisms, KD055AR0 Bearing’s lightweight yet robust design ensures reliable performance. The 30° contact angle optimises load distribution during high-impact landings.

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