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Denting

Services - Troubleshooting - Damage by Type - Denting: When debris such as small metallic particles are caught in the rolling contact zone, Denting occurs on the raceway surface or rolling element surface.

Creep

Services - Troubleshooting - Damage by Type: Creep is the phenomenon in bearings where relative slippage occurs between fitting surfaces and thereby creates a clearance between them surface. Creep causes a shiny appearance with Scoring or Wear.

Peeling

Services - Troubleshooting - Damage by Type - Peeling: Dull or cloudy spots appear on surface along with light wear. From such dull spots, tiny cracks are generated downward to a depth of 5–10 µm. Small particles fall off and minor Flaking occurs widely.

Mounting Flaws

Services - Troubleshooting - Damage by Type - Mounting Flaws: Straight line scratches on surface of raceways or rolling elements caused during mounting or dismounting of bearing.

False Brinelling

Services - Troubleshooting - Damage by Type - False Brinelling: Among the different types of Fretting, false brinelling is the occurrence of hollow spots that resemble brinell dents and are due to Wear caused by vibration and swaying.

Fretting

Services - Troubleshooting - Damage by Type - Fretting occurs at fitting surface and also at contact area between raceway ring and rolling elements. Fretting corrosion is another term used to describe the reddish brown or black worn particles.

Flaking

Services - Troubleshooting - Ball Screws - Flaking: The raceways of the screw shaft and ball nut and/or the surface of the ball peel off like scales because of fatigue.

Ball Screws

Services - Troubleshooting - Ball Screws: A guide to preventing and solving damage & failures due to careless handling, excessive misalignment, insufficient lubrication, contamination, etc.

Corporate Governance

NSK Investor Relations - Corporate Governance: Financial Instruments and Exchange Law to control and document internal control systems.

Off-Highway Quarry Vehicles

NSK Europe - Mining Industry - Improved service from off-highway quarry vehicles

Achieving Longer Life from Quarrying Conveyors

NSK Mining Industry - Achieving longer life from Quarry conveyors

Vibration & Shock Loads

improved performance life against vibration & shock loads

Pumps Can Run for Longer...

NSK Bearings - Pumps can run for longer, more reliably, & with reduced maintenance

Roller Bearings

NSK Roller Bearings, Spherical Roller Bearings, Cylindrical Roller Bearings, Taper Roller Bearings, Super Precision Roller Bearings, Thrust Roller Bearings, and Needle Roller Bearings increase productivity and improve reliability.

Locations

NSK Locations - NSK Americas has sales offices, Technology Centers, Distribution Centers, and Manufacturing Facilities throughout the Americas. Additionally, you can find information on NSK's global network as well.

Automotive Aftermarket

Product and resources for NSK Automotive Aftermarket

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Technologies

NSK Innovations - Our Four Core Technologies: tribology, material engineering, analysis technology and mechatronics

Medical Industry

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