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Constant Section (CS) Bearings KC045AR0
Constant Section (CS) Bearings KC045AR0

Constant Section (CS) Bearings KC045AR0

The KC045AR0 is a slim, open ball bearing measuring 4.5″ in bore and 5.25″ in outer diameter, with a compact width of just 0.375″. Made from chrome steel, it’s designed for angular contact loads and fits snugly in tight spaces.

It handles radial loads up to 1234 lbf and static thrust loads of 2990 lbf, making it suitable for moderate stress applications. The 30° contact angle ensures smooth operation, while the brass cage adds durability.

This bearing is interchangeable with KAYDON models, offering flexibility for replacements. Its thin-section design is ideal for machinery where space is limited, such as robotics or precision equipment.

Weighing only 0.49 lbs, it’s lightweight yet robust. Compliant with RoHS standards, it operates in temperatures from -30°C to 110°C. Pre-lubricated for easy installation and maintenance.

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Product Parameters

  • Part Number KC045AR0
  • Brand TFL
  • Interchangeable KAYDON
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Angular Contact
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 4.5"
  • Bore Dia Tolerance -0.0008"– 0"
  • Outer Dia 5.25"
  • Outer Dia Tolerance -0.0008"– 0"
  • Width 0.375"
  • Width Tolerance +.000 –.005"
  • Thin Section Bearings Type Reali-Slim Open Bearings
  • Series KC 3/8" x 3/8"
  • Tolerance Class ABEC-1
  • Radial Clearance 0.0000 – 0.0005"
  • Contact Angle 30°
  • External Diameter On Inner Ring 4.777"
  • Internal Diameter On Outer Ring (Small Side Face) 4.973"
  • Internal Diameter On Outer Ring (Large Side Face) 5.052"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 1234 lbf
  • Static Radial Load 2860 lbf
  • Static Thrust Load 2990 lbf
  • Static Moment 8270 lbf
  • Temperature Range -30°C to 110 °C
  • ISO Radial 2637 lbf
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 0.49 lbs
  • price($) 119.47

Features

Performance Features of KC045AR0 Bearing

KC045AR0 Bearing is designed with a 30° contact angle, optimising load distribution for angular contact applications.
Its chrome steel construction ensures durability, while the brass cage maintains smooth ball movement.

The bearing handles static radial loads up to 2860 lbf and static thrust loads up to 2990 lbf, making it reliable for various applications.
With ABEC-1 tolerance, KC045AR0 Bearing offers consistent performance in precision tasks.

Its thin-section design saves space without compromising strength, ideal for compact machinery.
The open seal type allows easy lubrication, ensuring long-term efficiency.

Application

Industrial Uses of KC045AR0 Bearing
KC045AR0 Bearing is commonly used in industrial automation, especially in robotic arms where its thin section design saves space without compromising load capacity. The open seal allows for easy lubrication, keeping maintenance straightforward.

Where Is KC045AR0 Bearing Used?
You’ll find KC045AR0 Bearing in precision equipment like optical alignment devices, thanks to its ABEC-1 tolerance. Its brass cage reduces friction, making it ideal for smooth, low-noise operation.

Built for Heavy-Duty Use: KC045AR0 Bearing
KC045AR0 Bearing handles angular contact loads well, making it a solid choice for rotary tables in machining centres. The chrome steel construction ensures long-lasting performance even in demanding conditions.

Automotive vs Aerospace: Applications of KC045AR0 Bearing
In automotive steering systems, KC045AR0 Bearing provides reliable angular contact support. For aerospace applications, its lightweight design and precise tolerances make it suitable for instrumentation panels.

Perfect Fit for Automation: KC045AR0 Bearing
KC045AR0 Bearing works seamlessly in 3D printers, where its slim profile and smooth rotation are key. The 30° contact angle ensures stability during high-precision movements.

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