Schaeffler Roller Bearing, 25mm Inside Diameter, 33mm Outside Diameter - NK25/20-XL

This roller bearing is of the needle type, specifically designed for applications requiring high-load performance. With an inside diameter of 25mm and an outside diameter of 33mm, it offers a reliable solution across various operational contexts. Its lightweight design, combined with a standard sheet steel cage, ensures effective load distribution and longevity, making it suitable for dynamic environments.

Features & Benefits

• Boasts a maximum speed of 17,000rpm for high-speed applications

• Offers a dynamic load rating of 21,300N for robust reliability

• Capable of withstanding static loads of up to 30,500N without structural failure

• Features an open end design for simplified installation and lubrication

• Utilises a fatigue limit load of 5,400N for enhanced durability

• Designed for operation in temperature ranges of -30°C to 120°C

Applications

• Used in equipment requiring compact, high-load bearings

• Suitable for precision engineering tasks involving high-speed machinery

• Ideal for various assemblies in the sector needing reliable performance

• Utilised in electronic devices that demand lightweight and robust support

What type of lubrication is recommended for optimal performance?

The needle roller bearing is suitable for both grease and oil lubrication. Ensuring the correct type of lubrication will maintain performance and longevity, particularly at high speeds.

How does the design affect its load-bearing capabilities?

The single-row design allows for efficient load distribution, making it capable of handling both dynamic and static loads effectively. This enhances its suitability for various demanding applications.

What are the implications of the fatigue limit load rating?

The fatigue limit load of 5,400N indicates the maximum load the bearing can endure over time without incurring fatigue failure. This rating ensures longevity and reliability in demanding environments.

What specific benefits arise from the use of a sheet steel cage?

The standard sheet steel cage offers a balance between strength and weight, promoting effective load handling while minimising mass. This is crucial in applications where reducing weight is necessary without sacrificing performance.

What is the significance of having an open end design?

The open end design facilitates easier access for lubrication, which is essential for maintaining optimal performance over time, especially in high-speed applications.

Units	Per Unit
1 - 12	PHP1,927.33
13 - 24	PHP1,869.50
25 +	PHP1,813.43

Select all	Attribute	Value
	Brand	INA
	Product Type	Roller Bearing
	Inside Diameter	25 mm
	Race Width	20mm
	Bore Type	Parallel
	Cage Material	Sheet Steel
	Outside Diameter	33 mm
	Number of Rows	1
	Static Load Rating	30500N
	Maximum Speed - Oil	17000rpm
	Limiting Speed	17800rpm
	Standards/Approvals	No
	End Type	Open
	Dynamic Load Rating	21300N
	Bearing Type	Needle

	Select all
	Brand INA
	Product Type Roller Bearing
	Inside Diameter 25 mm
	Race Width 20mm
	Bore Type Parallel
	Cage Material Sheet Steel
	Outside Diameter 33 mm
	Number of Rows 1
	Static Load Rating 30500N
	Maximum Speed - Oil 17000rpm
	Limiting Speed 17800rpm
	Standards/Approvals No
	End Type Open
	Dynamic Load Rating 21300N
	Bearing Type Needle

INA NK25/20-XL 25 mm ID Roller Bearing Needle, 33 mm OD

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