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INA Needle Roller Bearing 43 mm Inside Diameter, 53 mm Outside Diameter, 20 mm Race Width NK43/20-XL

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INA Needle Roller Bearing 43 mm Inside Diameter, 53 mm Outside Diameter, 20 mm Race Width NK43/20-XL

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Category Roller Bearing Brand INA Condition New

Specifications

Country of Origin	India
Brand	INA
Model	NK43/20-XL
Outside diameter	53mm
Inside Diameter	43mm
End Type	Open
Bore Type	Parallel
Bearing Type	Needle
Cage Material	Steel
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RS Stock No.	191-4411 Brand: [INA](https://in.rsdelivers.com/brands/ina)Manufacturers Part No.: NK43/20-XL
Race Width	20mm
Static Load Rating	51kN
Dynamic Load Rating	30.5kN

Key Features

Supports high to very high radial forces effectively.
Suitable when drawn cup needle roller bearings with open ends do not meet load or accuracy requirements.
Designed as non-locating bearing allowing axial displacement of shaft relative to housing.
Permits high operational speeds due to line contact design.
Compensates for misalignments between shaft and housing, allowing axial flexibility.
Requires minimal radial space, especially when designed without inner ring.
Available in multiple sizes and designs for compact and cost-effective bearing arrangements.
Cage is made of durable steel ensuring long service life.

Product Description

INA NK43/20-XL needle roller bearing features a 43 mm inside diameter, 53 mm outside diameter, and 20 mm race width. This needle bearing is engineered to support high to very high radial forces in industrial, mechanical machinery, and manufacturing applications.

These bearings are typically utilized when the load carrying capacity or accuracy of drawn cup needle roller bearings with open ends is insufficient and when the high load capacity of cylindrical roller bearings is not yet required. They are specifically designed for radial loads, serving effectively as non-locating bearings by permitting axial displacement between the shaft and housing.

The open end design facilitates lubrication and thermal management, making it suitable for high-speed operations with line contact. Its ability to compensate for misalignments between the shaft and housing enhances machine reliability and longevity. Additionally, the bearing’s compact configuration demands a minimal radial design envelope, especially in arrangements without an inner ring, optimizing space and weight factors.

The cage is constructed from durable steel to provide strength and wear resistance. With a static load rating of 51 kN and dynamic load rating of 30.5 kN, this INA NK43/20-XL bearing offers robust performance in demanding environments.

Supports high radial forces ensuring durability and reliability. Function as non-locating bearing allowing axial shaft movement. Open end type assists in lubrication and cooling processes. Steel cage provides excellent mechanical strength.

Compact design suitable for space-constrained applications. High static and dynamic load ratings for heavy-duty use. Compensates for shaft and housing misalignment. Permits high operating speeds due to needle roller line contact.

This bearing finds applications across industrial machinery, manufacturing equipment, automotive components, and other mechanical systems requiring heavy radial load support with compact size and axial displacement capability. Explore EnvMart’s wide selection of industrial Roller Bearings for diverse engineering needs and reliable machine performance.