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Constant Section (CS) Bearings NA045AR0
Constant Section (CS) Bearings NA045AR0

Constant Section (CS) Bearings NA045AR0

The NA045AR0 is a constant section bearing measuring 4.5″×5″×0.25″, designed for angular contact loads. Made from chrome steel with a brass cage, it offers a good balance of strength and smooth operation.

This bearing handles dynamic radial loads up to 637 lbf and static loads up to 1660 lbf, making it suitable for moderate stress applications. Its 30° contact angle provides stability during operation.

The open design allows for easy lubrication, while the chromium plating enhances durability. It works well in temperatures ranging from -30°C to 110°C.

Ideal for precision equipment or machinery where space is limited, this model is interchangeable with KAYDON bearings. Its lightweight design (0.21 lbs) makes it easy to handle during installation.

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Product Parameters

  • Part Number NA045AR0
  • 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"
  • Outer Dia Tolerance -0.0008"– 0"
  • Width 0.25"
  • Width Tolerance +.000 –.005"
  • Thin Section Bearings Type Endura-kote Plated Bearings
  • Series NA 1/4" x 1/4"
  • Tolerance Class ABEC-1
  • Radial Clearance 0.0000 – 0.0005"
  • Contact Angle 30°
  • External Diameter On Inner Ring 4.686"
  • Internal Diameter On Outer Ring (Small Side Face) 4.814"
  • Internal Diameter On Outer Ring (Large Side Face) 4.865"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 637 lbf
  • Static Radial Load 1660 lbf
  • Static Thrust Load 1580 lbf
  • Static Moment 4810 lbf
  • Temperature Range -30°C to 110 °C
  • ISO Radial 1410 lbf
  • Surface Chromium Plating
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 0.21 lbs
  • price($) 139.02

Features

How Does NA045AR0 Bearing Reduce Friction?

NA045AR0 Bearing features a 30° contact angle, optimising load distribution for smoother operation.
Its chrome steel construction ensures durability while maintaining low friction during use.

The brass cage design keeps the balls aligned, reducing wear and enhancing efficiency.
With ABEC-1 tolerance, NA045AR0 Bearing delivers consistent performance in angular contact applications.

NA045AR0 Bearing’s chromium plating adds an extra layer of protection against wear.
It operates smoothly within a temperature range of -30°C to 110°C, suitable for various environments.

Application

Key Fields for NA045AR0 Bearing
NA045AR0 Bearing is commonly used in industrial automation, particularly in robotic arms and precision machinery where its thin section design saves space without compromising performance. The angular contact design helps manage both radial and axial loads efficiently.

In aerospace applications, NA045AR0 Bearing’s chrome steel construction and ABEC-1 tolerance ensure reliability in control systems and instrumentation. Its lightweight brass cage reduces inertia, making it suitable for high-speed operations.

For medical imaging devices, NA045AR0 Bearing provides smooth rotation due to its precise clearance and 30° contact angle. The chromium plating adds corrosion resistance, which is essential in sterile environments.

In consumer electronics like high-end printers, NA045AR0 Bearing’s compact size and durability contribute to quieter operation and longer service life. The open seal design allows for easy lubrication maintenance.

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