SKF Roller Bearing, 20mm Inside Diameter, 37mm Outside Diameter - NA 4904.2RS

This roller bearing is a robust spherical roller type designed for high-performance applications. With an inner diameter of 20mm and outer diameter of 37mm, it features a race width of 18mm. The bearing is constructed from quality steel and incorporates a metal cage for effective roller management, making it suitable for a variety of mechanical applications.

Features & Benefits

• Dynamic load rating of 22kN supports heavy-duty applications

• Static load rating of 22.4kN enhances durability under pressure

• Reference speed of 15000rpm allows for high-speed operations

• Limiting speed of 7500rpm ensures safe performance limits

• Metal cage design improves roller guidance and longevity

• Single-row configuration optimises axial load capacity

Applications

• Used for precise motion in automation systems

• Commonly employed in electrical machinery for enhanced reliability

• Utilised in mechanical assemblies demanding robust support

• Preferred for requiring high-speed performance

What are the temperature limits of this roller bearing?

The operating temperature range for this type of bearing typically varies by application, ensuring optimal performance within environments below 150°C.

How do the design specifications impact load handling capabilities?

The specifications, including the static and dynamic load ratings, contribute significantly to the bearing's ability to manage forces efficiently, allowing for stable operation under varying load conditions.

What kind of maintenance is recommended to ensure longevity?

Regular lubrication at recommended intervals is essential to maintain performance and reduce wear, particularly in high-speed applications.

Can this bearing be used in high-speed operations?

Yes, the high reference speed capacity enables it to perform well in applications requiring rapid movement, making it suitable for various industrial environments.

Select all	Attribute	Value
	Brand	SKF
	Product Type	Roller Bearing
	Inside Diameter	20 mm
	Race Width	18mm
	Bore Type	Cylindrical
	Number of Rows	1
	Outside Diameter	37 mm
	Dynamic Load Rating	19.4kN
	End Type	Shielded
	Standards/Approvals	No
	Static Load Rating	22.4kN
	Internal Clearance	Normal
	Series	NA 4904.2RS
	Limiting Speed	7500rpm

	Select all
	Brand SKF
	Product Type Roller Bearing
	Inside Diameter 20 mm
	Race Width 18mm
	Bore Type Cylindrical
	Number of Rows 1
	Outside Diameter 37 mm
	Dynamic Load Rating 19.4kN
	End Type Shielded
	Standards/Approvals No
	Static Load Rating 22.4kN
	Internal Clearance Normal
	Series NA 4904.2RS
	Limiting Speed 7500rpm

SKF NA 4904.2RS Cylindrical 20 mm I.D Roller Bearing, 37 mm O.D

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