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Constant Section (CS) Bearings NB047AR0
Constant Section (CS) Bearings NB047AR0

Constant Section (CS) Bearings NB047AR0

The NB047AR0 is a constant section bearing with a 4.75″ bore and 5.375″ outer diameter, featuring a slim 0.3125″ width. Made from chrome steel with brass cage, it’s designed for angular contact loads and light-weight applications.

It handles radial loads up to 951 lbf and static thrust loads of 2340 lbf, with a 30° contact angle for smooth operation. The open design allows easy lubrication, and it works in temperatures from -30°C to 110°C.

Its thin section and Endura-kote plating make it ideal for compact spaces where precision is key. The ABEC-1 tolerance ensures reliable performance without over-engineering.

This model is interchangeable with KAYDON bearings, suitable for rotary tables or medical equipment. Weighing just 0.35 lbs, it’s lightweight yet durable for its size. Compliant with RoHS standards.

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Product Parameters

  • Part Number NB047AR0
  • 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 Endura-kote Plated Bearings
  • Series NB 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
  • Surface Chromium Plating
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 0.35 lbs
  • price($) 157.88

Features

Performance Features of NB047AR0 Bearing

NB047AR0 Bearing is designed with a 30° contact angle, optimising its performance in angular contact applications.
The chrome steel construction ensures durability and resistance to wear under dynamic radial loads up to 951 lbf.

Its brass cage maintains ball alignment, reducing friction and enhancing smooth operation.
With ABEC-1 tolerance class, NB047AR0 Bearing offers reliable precision for various industrial uses.

The chromium plating provides additional protection against corrosion, extending its service life.
NB047AR0 Bearing operates efficiently within a temperature range of -30°C to 110°C, suitable for diverse environments.

The open seal design allows for easy lubrication, ensuring consistent performance over time.
Its lightweight construction at 0.35 lbs makes it ideal for applications where weight is a consideration.

Application

Industrial Uses of NB047AR0 Bearing
NB047AR0 Bearing is commonly used in machine tools, where its angular contact design handles both radial and axial loads efficiently. The chromium plating adds extra protection against wear in demanding industrial environments.

Where Is NB047AR0 Bearing Used?
You’ll often find NB047AR0 Bearing in robotics, particularly in robotic arms that require precise movement. Its thin section design saves space without compromising on load capacity.

Built for Heavy-Duty Use: NB047AR0 Bearing
NB047AR0 Bearing works well in conveyor systems, thanks to its brass cage which reduces friction. The ABEC-1 tolerance ensures reliable performance in continuous operation.

Automotive vs Aerospace: Applications of NB047AR0 Bearing
In automotive steering systems, NB047AR0 Bearing provides smooth angular contact performance. For aerospace applications, its lightweight design and chromium plating make it a practical choice.

Perfect Fit for Automation: NB047AR0 Bearing
NB047AR0 Bearing is ideal for 3D printers, where precision and durability are key. The chrome steel construction ensures long-lasting performance even with frequent use.

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