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Constant Section (CS) Bearings NA090AR0

Constant Section (CS) Bearings NA090AR0

The NA090AR0 is a constant section bearing with a 9″ bore and 9.5″ outer diameter, featuring a slim 0.25″ width. Made from chrome steel with brass cage, it’s designed for angular contact loads and light-weight applications.

This bearing handles dynamic radial loads up to 954 lbf and static thrust loads up to 2470 lbf, with a 30° contact angle for smooth operation. Its open design allows easy lubrication, while the chromium plating adds durability.

Ideal for precision equipment like robotics or medical devices where space is limited. The ABEC-1 tolerance ensures reliable performance, and it’s interchangeable with KAYDON bearings for easy replacement.

Weighing just 0.41 lbs, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C and compliant with RoHS standards.

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Product Parameters

  • Part Number NA090AR0
  • Brand TFL
  • Interchangeable KAYDON
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Angular Contact
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 9"
  • Bore Dia Tolerance -0.0012"– 0"
  • Outer Dia 9.5"
  • Outer Dia Tolerance -0.0012"– 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 9.186"
  • Internal Diameter On Outer Ring (Small Side Face) 9.314"
  • Internal Diameter On Outer Ring (Large Side Face) 9.357"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 954 lbf
  • Static Radial Load 3240 lbf
  • Static Thrust Load 2470 lbf
  • Static Moment 9360 lbf
  • Temperature Range -30°C to 110 °C
  • ISO Radial 1802 lbf
  • Surface Chromium Plating
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 0.41 lbs
  • price（$） 221.58
Constant Section (CS) Bearings NA090AR0 dimension drawing
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Features

Performance Features of NA090AR0 Bearing

NA090AR0 Bearing is built with chrome steel rings and balls, offering strong resistance to angular contact loads.

Its dynamic radial load capacity reaches 954 lbf, ensuring reliable performance in various applications.

The brass cage maintains ball alignment, reducing friction and extending service life.

With a temperature range of -30°C to 110°C, it performs well in diverse environments.

Application

Key Fields for NA090AR0 Bearing
NA090AR0 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 handles combined loads efficiently, making it suitable for rotating platforms.

In aerospace applications, NA090AR0 Bearing’s chromium plating and brass cage provide durability in control systems and actuator mechanisms. Its ABEC-1 tolerance ensures reliable operation in critical flight components.

For medical imaging devices, NA090AR0 Bearing offers smooth rotation due to its 30° contact angle and chrome steel construction. The open seal design allows for easy lubrication, extending service life in high-use environments.

NA090AR0 Bearing fits well in semiconductor manufacturing equipment, where its precise dimensions and moment load capacity support delicate wafer handling. The inch sizing makes it compatible with many North American machinery standards.

In packaging machinery, NA090AR0 Bearing’s lightweight design reduces energy consumption while maintaining load capacity. Its temperature range suits both indoor and moderate outdoor industrial settings.

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