Constant Section (CS) Bearings NB040XP0

The NB040XP0 is a thin-section ball bearing with a 4″ bore and 4.625″ outer diameter, featuring a compact width of just 0.3125″. Its chromium-plated chrome steel construction offers durability and smooth operation.
Designed for four-point contact, it handles radial loads up to 1091 lbf and thrust loads up to 1720 lbf, making it versatile for various applications. The brass cage ensures reliable performance at temperatures between -30°C and 110°C.
Its open design allows easy lubrication, while the ABEC-1 tolerance ensures consistent precision. The bearing is interchangeable with KAYDON models, simplifying replacements.
Ideal for lightweight machinery or robotics where space is limited. Weighing only 0.3 lbs, it’s a practical choice for projects requiring both strength and a slim profile. Compliant with RoHS standards for safety.

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Description

Features

Application

Q&A

Product Parameters

Part Number NB040XP0
Brand TFL
Interchangeable KAYDON
System of Measurement Inch
Bearing Type Ball
For Load Direction Four Point Contact
Construction Single Row
Seal Type Open
Bore Dia 4"
Bore Dia Tolerance -0.0008"– 0"
Outer Dia 4.625"
Outer Dia Tolerance -0.0006"– 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"
External Diameter On Inner Ring 4.231"
Internal Diameter On Outer Ring (Small Side Face) 4.393"
Ring Material Chrome Steel
Ball Material Chrome Steel
Cage Material Brass
Dynamic Radial Load 1091 lbf
Static Radial Load 1750 lbf
Static Thrust Load 4370 lbf
Static Moment 3770 lbf
Temperature Range -30°C to 110 °C
Moment Load Rating 1 lbf
Dynamic Thrust Load 1720 lbf
Surface Chromium Plating
Lubrication Lubricated
RoHS Compliant
Weight 0.3 lbs
price（$） 118.86

Constant Section (CS) Bearings NB040XP0 dimension drawing

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Features

Performance Features of NB040XP0 Bearing

NB040XP0 Bearing is crafted with chrome steel rings and balls, offering reliable performance in four-point contact applications.
Its dynamic radial load capacity of 1091 lbf ensures steady operation under varying loads.

The brass cage maintains ball alignment, reducing friction and extending the bearing’s lifespan.
With a temperature range of -30°C to 110°C, it performs well in diverse environments.

NB040XP0 Bearing’s chromium plating enhances durability and resistance to wear.
Its thin-section design saves space while maintaining high load capacity.

Application

Key Fields for NB040XP0 Bearing
NB040XP0 Bearing is commonly used in robotics, especially for joints and rotating arms where its thin section design saves space without compromising strength. The chromium plating adds extra durability in high-movement applications.

How Does NB040XP0 Bearing Improve Performance?
In automation systems, NB040XP0 Bearing ensures smooth motion in conveyor belts and assembly lines, thanks to its four-point contact design. The brass cage reduces friction, making it ideal for continuous operation.

Built for Heavy-Duty Use: NB040XP0 Bearing
For aerospace applications, NB040XP0 Bearing handles both radial and thrust loads in control mechanisms. Its ABEC-1 tolerance ensures reliable performance even under varying temperatures.

Automotive vs Aerospace: Applications of NB040XP0 Bearing
In automotive steering systems, NB040XP0 Bearing provides precise control with minimal space requirements. Meanwhile, in aerospace, its lightweight construction is perfect for instrumentation panels.

Practical Applications of NB040XP0 Bearing
NB040XP0 Bearing works well in medical imaging devices, where its smooth rotation enhances accuracy. The chrome steel construction also resists corrosion in sterile environments.