Schaeffler Needle Roller Bearing, 20mm Inside Diameter, 37mm Outside Diameter - NA4904-2RSR-XL

This needle roller bearing is an essential component designed for various industrial applications. With an inside diameter of 20mm and an outside diameter of 37mm, this bearing is engineered to provide optimal performance in demanding environments. Crafted from durable steel, it features a sealed design that ensures reliable operation by preventing the ingress of contaminants.

Features & Benefits

• Designed with a bore type that is parallel for precise fit

• Single row configuration optimises space and load distribution

• Sealed end type extends service life by isolating lubricants

• High static load rating of 19900 N supports heavy loads

• Fatigue limit load of 3800 N enhances durability over time

• Dynamic load rating of 19500 N allows for smooth operation

Applications

• Used in automation systems requiring compact space

• Ideal for mechanical devices operating under high load conditions

• Suitable for electrical that demand precision

• Utilised in assemblies requiring high-performance steel roller bearings

What is the significance of the sealed design in this bearing?

The sealed design is critical as it prevents dust and debris from entering the bearing, thereby reducing wear and significantly extending its lifespan. This aspect is particularly vital in environments where contaminants could affect performance.

How does this bearing accommodate varying load conditions?

It has a high static load rating and a significant dynamic load rating, making it suitable for handling both static and dynamic forces effectively. Its robust construction allows for reliable operation under fluctuating loads, which is essential in many industrial applications.

What maintenance is required for this bearing?

While it is designed to be low maintenance due to its sealed nature, periodic inspection is recommended to ensure that there are no signs of wear or damage. If any issues are identified, replacement should be considered to maintain optimal performance.

Units	Per unit
1 - 4	£44.44
5 - 9	£42.67
10 - 24	£41.79
25 +	£40.89

Select all	Attribute	Value
	Brand	INA
	Product Type	Roller Bearing
	Inside Diameter	20 mm
	Race Width	18mm
	Bore Type	Parallel
	Static Load Rating	19.9kN
	Outside Diameter	37 mm
	Dynamic Load Rating	19.5kN
	End Type	Sealed
	Standards/Approvals	No
	Bearing Type	Needle

	Select all
	Brand INA
	Product Type Roller Bearing
	Inside Diameter 20 mm
	Race Width 18mm
	Bore Type Parallel
	Static Load Rating 19.9kN
	Outside Diameter 37 mm
	Dynamic Load Rating 19.5kN
	End Type Sealed
	Standards/Approvals No
	Bearing Type Needle

INA NA4904-2RSR-XL 20 mm I.D Roller Bearing Needle, 37 mm O.D

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SCHAEFFLER Lubrication For All Industries