SKF Cylindrical Roller Bearing, 55mm Inside Diameter, 120mm Outside Diameter - NU 311 ECJ

This cylindrical roller bearing is a high-quality component designed for high load applications. With an inside diameter of 55mm and an outside diameter of 120mm, it caters well to various industrial needs. This bearing features a race width of 29mm and operates effectively under dynamic loads, making it ideal for machinery requirements in mechanical and electrical industries.

Features & Benefits

• Single row design ensures reliable performance in various usage
• Operating speed range up to 7000rpm enhances efficiency
• Open end design facilitates easy maintenance and inspection
• Sheet metal cage material contributes to reduced friction and wear

Applications

• Used with heavy-duty rotating equipment in various industries
• Suitable for automation systems requiring precise load management
• Ideal for equipment such as pumps and generators
• Can be used in electrical machinery needing reliable rotational support

What weight capacity can be expected from this bearing?

The bearing can handle a dynamic load of up to 156kN, while its static load rating stands at 143kN, making it suitable for high load applications.

What maintenance procedures should be followed for optimal performance?

Regular inspections of wear and lubrication levels are recommended to ensure longevity. The open end design allows for straightforward maintenance routines.

How does the cage material affect bearing performance?

The sheet metal cage helps in maintaining the correct spacing between rollers, which minimises friction and extends the bearing's life while enhancing its efficiency.

Select all	Attribute	Value
	Brand	SKF
	Inside Diameter	55mm
	Outside Diameter	120mm
	Roller Bearing Type	Cylindrical
	Race Width	29mm
	Bore Type	Parallel
	Static Load Rating	143kN
	Cage Material	Sheet Metal
	Number of Rows	1
	Dynamic Load Rating	156kN
	End Type	Open
	Reference Speed	6000rpm
	Limiting Speed	7000rpm
	Fatigue Limit Load	18.6kN

	Select all
	Brand SKF
	Inside Diameter 55mm
	Outside Diameter 120mm
	Roller Bearing Type Cylindrical
	Race Width 29mm
	Bore Type Parallel
	Static Load Rating 143kN
	Cage Material Sheet Metal
	Number of Rows 1
	Dynamic Load Rating 156kN
	End Type Open
	Reference Speed 6000rpm
	Limiting Speed 7000rpm
	Fatigue Limit Load 18.6kN

SKF NU 311 ECJ 55mm I.D Cylindrical Cylindrical Roller Bearing, 120mm O.D

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