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INA Needle Roller Bearing, 45 mm Inside Diameter, 68 mm Outside Diameter, Race Width 22 mm, Open End, Model NA4909-XL

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INA Needle Roller Bearing, 45 mm Inside Diameter, 68 mm Outside Diameter, Race Width 22 mm, Open End, Model NA4909-XL

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Category Roller Bearings Brand INA Condition New

Specifications

Country of Origin	India
Brand	INA
Model	NA4909-XL
Outside diameter	68mm
Inside Diameter	45mm
End Type	Open
Bore Type	Parallel
Bearing Type	Needle
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RS Stock No.	194-7295 Brand: [INA](https://in.rsdelivers.com/brands/ina)Manufacturers Part No.: NA4909-XL
Race Width	22mm
Static Load Rating	73kN
Better World Claim	Extended Product Life, Saves Energy
Dynamic Load Rating	51kN

Key Features

The bearing has a race width of 22 mm and an open end design.
It supports static loads up to 73 kN and dynamic loads up to 51 kN.
The bore type is parallel, suitable for accurate shaft fitting.
It is ideal for applications requiring non-locating bearing functionality with axial displacement.
The bearing offers high speed capabilities despite line contact design.
It compensates shaft and housing misalignments due to aligning needle roller technology.
The compact design allows for economical bearing arrangements with a small radial envelope.
Suitable for industrial machinery, manufacturing, and mechanical spares use cases.

Product Description

INA NA4909-XL needle roller bearing features a 45 mm inside diameter, 68 mm outside diameter, and 22 mm race width. This bearing type is designed for supporting high to very high radial forces typically encountered in mechanical machinery and industrial equipment.

The bearing has an open end type and a parallel bore, ensuring precise shaft fit and function. It supports a static load rating of 73 kN and a dynamic load rating of 51 kN, making it suitable for high load capacity requirements beyond the range of drawn cup needle Roller Bearings.

As a needle type bearing, it exclusively supports radial loads, making it ideal for use as a non-locating bearing that permits axial displacement of the shaft relative to the housing. This allows compensation of misalignments between the shaft and housing, enhancing durability and operational stability.

Despite its line contact operation, the bearing permits high speeds and maintains extended product life while saving energy. Its compact radial design makes it cost-effective and suitable for integration in compact bearing arrangements without requiring an inner ring.

This bearing is widely applied in industrial machinery, manufacturing equipment, water treatment plants, HVAC systems, and other commercial mechanical applications requiring precise and durable rotary bearing solutions.

The bearing has a race width of 22 mm and an open end design. It supports static loads up to 73 kN and dynamic loads up to 51 kN. The bore type is parallel, suitable for accurate shaft fitting. It is ideal for applications requiring non-locating bearing functionality with axial displacement.

The bearing offers high speed capabilities despite line contact design. It compensates shaft and housing misalignments due to aligning needle roller technology. The compact design allows for economical bearing arrangements with a small radial envelope.

Suitable for industrial machinery, manufacturing, and mechanical spares use cases. Package contents: 1 Piece INA NA4909-XL needle roller bearing. Explore more industrial mechanical components at EnvMart for your engineering and maintenance needs.