Heavy Duty Needle Roller Bearings (Machined) NKIS45-XL

The NKIS45-XL is a heavy-duty needle roller bearing with a 45mm bore and 72mm outer diameter, crafted from sturdy steel for reliable performance. It handles radial loads up to 11475 lbf and can reach speeds of 8200 RPM, making it a robust choice for demanding applications.
Its open design requires regular lubrication, but the steel cage and rollers ensure durability under high stress. The press-fit shaft mount provides a secure installation, ideal for machinery with frequent radial loads.
This bearing operates smoothly in temperatures from -20°C to 110°C and is interchangeable with INA models for easy replacement. Weighing 336g, it’s a compact yet powerful option for industrial equipment or automotive systems.
Compliant with RoHS standards, it’s a safe and efficient choice for engineers and maintenance teams. The 1mm chamfer ensures easy fitting, while the 22mm width offers a space-saving design.

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Description

Features

Application

Q&A

Product Parameters

Part Number NKIS45-XL
Brand TFL
Interchangeable brand INA
System of Measurement Metric
Bearing Type Roller
Roller Bearing Type Needle
For Load Direction Radial
Construction Single Row
Seal Type Open
Inner Ring Yes
Series With Inner Ring
Bore Dia 45 mm
Bore Dia Tolerance -0.012mm to 0
Outer Dia 72 mm
Outer Dia Tolerance -0.013mm to 0
Width 22 mm
Width Tolerance -0.12mm to 0
Ring Material Steel
Cage Material Steel
Roller Material Steel
Dynamic Radial Load 11475 lbf
Static Radial Load 16650 lbf
Lubrication Required
Shaft Mount Type Press Fit
Temperature Range -20 to 110 °C
RoHS Compliant
Max Speed 8200 rpm
Weight 336 g

Heavy Duty Needle Roller Bearings (Machined) NKIS45-XL dimension drawing

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Features

How Does NKIS45-XL Bearing Handle Heavy Loads?
NKIS45-XL Bearing is built with steel rings and rollers, offering strong resistance to heavy radial loads.
Its dynamic radial load capacity reaches 11475 lbf, making it suitable for demanding industrial applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a maximum speed of 8200 rpm, it delivers reliable performance under high-speed conditions.
NKIS45-XL Bearing operates efficiently in temperatures ranging from -20 to 110°C.
Its press-fit shaft mount design simplifies installation, saving time and effort.

Application

Industrial Uses of NKIS45-XL Bearing
NKIS45-XL Bearing is commonly used in heavy machinery like construction equipment and agricultural tools, where its robust design handles high radial loads effortlessly. The steel construction ensures durability even in demanding environments.
Where Is NKIS45-XL Bearing Used?
You’ll often find NKIS45-XL Bearing in automotive transmissions and industrial gearboxes, where its needle roller design provides efficient load distribution. Its press-fit mounting makes installation straightforward for mechanics.
Built for Heavy-Duty Use: NKIS45-XL Bearing
NKIS45-XL Bearing excels in applications like conveyor systems and printing presses, where consistent performance under high speeds is essential. The open seal design allows for easy lubrication, extending its service life.
Automotive vs Industrial: Applications of NKIS45-XL Bearing
In automotive settings, NKIS45-XL Bearing supports components like differential systems, while in industrial machinery, it’s ideal for pumps and compressors. Its metric sizing ensures compatibility across various equipment types.