SKF Needle Roller Bearing, 40mm Inside Diameter, 12mm Race Width - HK 4012

This needle roller bearing is a precision component designed for various mechanical applications. With an inside diameter of 40mm and a race width of 12mm, this bearing provides efficient support for rotary movements. The open end type and metal construction ensure durability and reliable performance in demanding environments.

Features & Benefits

• Static load rating of 24.5kN enhances strength under heavy loads

• Dynamic load rating of 13.4kN for reliable long-term performance

• Sheet steel cage optimises roller guidance and reduces friction

• Parallel bore type for easy fitting in standard assemblies

• Minimal radial space required due to compact design

Applications

• Utilised in automation systems requiring precise rotary motion

• Suitable for electric motors that demand high-speed capabilities

• Ideal for machinery in mechanical industries with tight tolerances

• Effective in various electrical equipment for improved efficiency

What are the limiting factors regarding speed for this component?

The maximum speed for grease lubrication is 5000r/min, while oil lubrication allows for a higher limit of 7000r/min.

How does the material used affect its performance?

The metal construction provides strength and durability, allowing for high load capacities and reducing wear in demanding applications.

What maintenance considerations should be taken into account?

Regular inspection and proper lubrication are essential to ensure optimal performance and longevity, avoiding overheating and wear over time.

What is the importance of the fatigue load limit?

The fatigue load limit of 2.8kN signifies the maximum load under which the bearing can operate without sustaining damage over repeated uses, which is important for long-lasting applications.

How can this bearing contribute to energy efficiency in machinery?

Its low friction design helps improve energy efficiency by minimising power loss in mechanical systems.

Units	Per Unit
1 - 5	PHP947.99
6 - 24	PHP919.54
25 +	PHP891.96

Select all	Attribute	Value
	Brand	SKF
	Product Type	Roller Bearing
	Inside Diameter	40 mm
	Race Width	12mm
	Bore Type	Parallel
	Cage Material	Steel
	Maximum Speed - Oil	7000rpm
	Static Load Rating	24.5kN
	Outside Diameter	47 mm
	Number of Rows	1
	Dynamic Load Rating	13.4kN
	End Type	Open
	Standards/Approvals	No
	Limiting Speed	7000rpm
	Maximum Speed - Grease	5000rpm
	Bearing Type	Needle

	Select all
	Brand SKF
	Product Type Roller Bearing
	Inside Diameter 40 mm
	Race Width 12mm
	Bore Type Parallel
	Cage Material Steel
	Maximum Speed - Oil 7000rpm
	Static Load Rating 24.5kN
	Outside Diameter 47 mm
	Number of Rows 1
	Dynamic Load Rating 13.4kN
	End Type Open
	Standards/Approvals No
	Limiting Speed 7000rpm
	Maximum Speed - Grease 5000rpm
	Bearing Type Needle

SKF HK 4012 40 mm ID Roller Bearing Needle, 47 mm OD

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