SKF Cylindrical Roller Bearing, 42mm Outside Diameter, 72mm Outside Diameter - RNU 306

This cylindrical roller bearing is designed for a variety of applications, featuring a standard configuration without an inner ring. With an inside diameter of 42mm and an outside diameter of 72mm, this industrial component is built to support high-speed operations, efficiently managing both dynamic and static loads. The roller bearing's race width measures 19mm, making it suitable for compact spaces.

Features & Benefits

• High dynamic load rating of 36.9kN for robust performance

• Minimal radial internal clearance optimises fit and function

• Fatigue limit load of 4.25kN enhances durability over time

• Constructed from high-quality materials for longevity

Applications

• Ideal for use in automation and robotics systems

• Suitable for machinery requiring high-speed bearing solutions

• Effective in electrical and electronic equipment

• Utilised in mechanical assemblies where space constraints exist

What advantages does this cylindrical roller bearing provide for high-speed machinery?

It features a maximum reference speed of 10,000rpm, making it well-suited for high-speed applications, providing effective support and stability.

How does the bearing's static load capacity affect its application in heavy machinery?

With a static load capacity of 33.5kN, it can effectively handle the weight and stress encountered in heavy machinery, ensuring reliability and performance.

How does the radial internal clearance impact bearing performance?

A minimal radial internal clearance improves the overall fit within assemblies, allowing for smoother rotation and reduced wear during operation.

What are the implications of the 36.9kN dynamic load rating in practical use?

This rating ensures that the bearing can tolerate significant forces during operation, making it ideal for demanding industrial applications where load variability is common.

Select all	Attribute	Value
	Brand	SKF
	Product Type	Roller Bearing
	Inside Diameter	42 mm
	Race Width	19mm
	Bore Type	Parallel
	Static Load Rating	33.5kN
	Number of Rows	1
	Series	RNU
	Limiting Speed	12000rpm
	Standards/Approvals	No
	End Type	Open
	Dynamic Load Rating	36.9kN
	Outside Diameter	72 mm

	Select all
	Brand SKF
	Product Type Roller Bearing
	Inside Diameter 42 mm
	Race Width 19mm
	Bore Type Parallel
	Static Load Rating 33.5kN
	Number of Rows 1
	Series RNU
	Limiting Speed 12000rpm
	Standards/Approvals No
	End Type Open
	Dynamic Load Rating 36.9kN
	Outside Diameter 72 mm

SKF RNU 306 42 mm ID Roller Bearing, 72 mm OD

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