SKF Cylindrical Roller Bearing, 22.1mm Inside Diameter, 40mm Outside Diameter - RNU 203 ECP

This cylindrical roller bearing from SKF is designed for high-load applications, featuring a single-row configuration without an inner ring. The model has an inside diameter of 22.1mm and an outside diameter of 40mm, making it ideal for use in compact areas where axial space is limited. With a race width of 12mm, it balances compact size with robust performance, capable of handling dynamic loads up to 20kN.

Features & Benefits

• High-speed roller bearing operates effectively at up to 22,000rpm

• Single-row design optimises space whilst reducing weight

• Static load rating of 14.3kN supports heavy static loads

• Designed with a fatigue limit load of 1.73kN for durability

• Normal tolerances ensure compatibility with various setups

• Minimal radial internal clearance enhances operational efficiency

Applications

• Used in automation systems requiring compact, high-performance bearings

• Ideal for heavy-duty machinery within the mechanical engineering sector

• Suitable for electrical motors and generators operating at high speeds

• Utilised in industrial equipment where space and performance are critical

What load capacities are supported with this bearing?

This bearing supports a dynamic load rating of 20kN and a static load rating of 14.3kN, suitable for various applications involving heavy loads.

How does the design affect its performance in different environments?

The single-row configuration allows for efficient load distribution and is well-suited for applications where axial space is restricted, whilst its fatigue limit ensures reliability over time.

What maintenance considerations should be noted for optimal performance?

Regular checks for lubrication and ensuring proper alignment during installation can help maintain optimal performance and longevity in operational settings.

Select all	Attribute	Value
	Brand	SKF
	Product Type	Roller Bearing
	Inside Diameter	22.1 mm
	Race Width	12mm
	Bore Type	Parallel
	Series	RNU
	Number of Rows	1
	Limiting Speed	22000rpm
	Dynamic Load Rating	20kN
	Standards/Approvals	No
	End Type	Open
	Static Load Rating	14.3kN
	Outside Diameter	40 mm

	Select all
	Brand SKF
	Product Type Roller Bearing
	Inside Diameter 22.1 mm
	Race Width 12mm
	Bore Type Parallel
	Series RNU
	Number of Rows 1
	Limiting Speed 22000rpm
	Dynamic Load Rating 20kN
	Standards/Approvals No
	End Type Open
	Static Load Rating 14.3kN
	Outside Diameter 40 mm

SKF RNU 203 ECP 22.1 mm I.D Roller Bearing, 40 mm O.D