Tag: NSK

Linear Guides RCA: Flaking

  Damage Condition The rolling contact surface of the rail, the ball slide and the ball flakes away like scales. Possible CausesNatural life of a linear...

Ball Screw RCA: Breakage of Shaft End

  Damage Condition Shaft end (mainly bearing journal) broke completely. Possible CausesRotational bending fatigue caused by misalignment of screw shaft (the bearing journal was forced to...

NSK TL bearings double service life in papermaking machinery

 NSK spherical roller bearings with TL technology are being increasingly adopted in the papermaking industry as more machinery manufacturers and paper mills seek to...

Ball Screw RCA: Breakage of Ball Recirculation Parts

  Damage Condition Damage on the tongue of ball return tube (ball pick up finger). Possible CausesRotational speed exceeded the permissible rotational speed (d•N)CountermeasuresUse of...

Counterfeit bearings – know the risks

 Counterfeit bearings are a global issue, with all markets susceptible to the risks of buying these low-quality products. As a leading manufacturer of premium-quality...

Ball Screw RCA: Indentations

  Damage ConditionIndentations on the raceway at each ball location similar to the deformation caused by a Brinell Hardness Tester (Brinelling) Indentations on a...

NSK saves nearly €3 million at steel mill

 A steelmaker based in Poland is saving nearly €3 million per year after switching to NSK´s sealed-clean KVS bearings in its roll mill. Such...

Ball Screw RCA: Fretting

  Damage Condition Frettings are on the raceways caused by a relative small amplitude of rubbing between mated contact surfaces. (It is also called fretting corrosion...

Contributing to the Environment with a New Problem Solving Process “High-Durability...

 A key mission of NSK is to create products that contribute to the environment. Using a variety of approaches, NSK is moving closer to...

Ball Screw RCA: Wear

  Damage Condition Severe friction resulted in serious wear on the rolling contact surface of raceways. Possible CausesInsufficient lubrication Intrusion of contamination Poor assemble accuracy (Misalignment)CountermeasuresReview...

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