Constant Section (CS) Bearings NB080AR0

The NB080AR0 is a constant section bearing with an 8″ bore and 8.625″ 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 at just 0.57 lbs.

This bearing handles dynamic radial loads up to 1284 lbf and static loads up to 3940 lbf, with a 30° contact angle for smooth operation. Its ABEC-1 tolerance ensures reliable performance in precision applications.

The open design allows easy lubrication, while the chromium plating adds durability. It works in temperatures from -30°C to 110°C, making it suitable for varied environments.

Ideal for machinery requiring thin-section bearings, such as robotics or medical equipment. Interchangeable with KAYDON models, it’s a practical choice for replacements or upgrades. RoHS compliant for safe use.

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Description

Features

Application

Q&A

Product Parameters

Part Number NB080AR0
Brand TFL
Interchangeable KAYDON
System of Measurement Inch
Bearing Type Ball
For Load Direction Angular Contact
Construction Single Row
Seal Type Open
Bore Dia 8"
Bore Dia Tolerance -0.0012"– 0"
Outer Dia 8.625"
Outer Dia Tolerance -0.0012"– 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 8.231"
Internal Diameter On Outer Ring (Small Side Face) 8.393"
Internal Diameter On Outer Ring (Large Side Face) 8.453"
Ring Material Chrome Steel
Ball Material Chrome Steel
Cage Material Brass
Dynamic Radial Load 1284 lbf
Static Radial Load 3940 lbf
Static Thrust Load 3260 lbf
Static Moment 11380 lbf
Temperature Range -30°C to 110 °C
ISO Radial 2469 lbf
Surface Chromium Plating
Lubrication Lubricated
RoHS Compliant
Weight 0.57 lbs
price（$） 286.35

Constant Section (CS) Bearings NB080AR0 dimension drawing

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Features

Performance Features of NB080AR0 Bearing

NB080AR0 Bearing features a single-row angular contact design, ideal for handling combined radial and thrust loads.
Its 30° contact angle ensures efficient load distribution, enhancing performance in precision applications.

The chrome steel rings and balls provide durability, while the brass cage maintains alignment for smooth operation.
With a dynamic radial load capacity of 1284 lbf, it suits demanding industrial environments.

NB080AR0 Bearing operates reliably within a temperature range of -30°C to 110°C.
Its ABEC-1 tolerance class ensures consistent performance, making it a practical choice for various machinery.

Application

Industrial Uses of NB080AR0 Bearing
NB080AR0 Bearing is commonly used in industrial machinery, especially where space is limited but high precision is needed, like robotic arms and CNC equipment. Its thin-section design makes it ideal for compact applications without sacrificing performance.

Where Is NB080AR0 Bearing Used?
In automation systems, NB080AR0 Bearing supports smooth rotation in devices like 3D printers and assembly line robots. The angular contact design helps manage both radial and axial loads efficiently.

Built for Heavy-Duty Use: NB080AR0 Bearing
NB080AR0 Bearing works well in aerospace applications, such as satellite mechanisms, due to its reliable chrome steel construction. The brass cage adds durability, ensuring long service life even in demanding conditions.

Automotive vs Aerospace: Applications of NB080AR0 Bearing
In automotive steering systems, NB080AR0 Bearing provides precise control, while in aerospace, it handles high-speed rotations with minimal friction. Its ABEC-1 tolerance ensures consistent performance across different industries.

Essential Roles of NB080AR0 Bearing
For medical imaging devices, NB080AR0 Bearing offers quiet and smooth operation, crucial for accurate diagnostics. The chromium plating also resists corrosion, making it suitable for sterile environments.