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spacer Kaydon Bearings - Endurakote corrosion-resistant plating for bearings

Kaydon's proprietary Endurakote® hard chromium plating provides substantial life improvements to thin section and slewing ring bearings in hostile environments. Endurakote® withstands extremely high temperatures and won't flake, peel, or separate, even under the high contact stresses experienced in bearing paths.

Endurakote® is applied over conventional bearing materials and to each entire bearing race ring—including the paths—leaving no area exposed. (Other commercial chrome or cadmium coatings can't withstand the rolling contact stress, and therefore can't be applied to the path.) Endurakote® is electrodeposited by a proprietary process that achieves a true molecular bond.

AISI 52100 stock bearings coated with Endurakote® have the corrosion resistance of AISI 440C stainless steel, and have been proven in critical military, aerospace, and deep space applications. In addition to real-world applications, salt spray resistance testing has also proven the benefits of Endurakote®:

  • Bearings with Endurakote® plating withstand corrosion as well as or better than AISI 440C stainless steel
  • The hard, dense exterior surface is extremely wear resistant and helps retain the lubricant film
  • The extremely hard surface protects the bearing from surface-generated damage which can promote premature failure
  • Conventional life testing of AISI 52100 steel bearings with Endurakote® plating shows no negative effects on expected life rating
  • Since the coating is capable of withstanding extremely high temperatures, bearing performance is limited only by the bearing materials or lubricant used

Read about Endurakote® design features, properties, and characteristics.
 

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Series NAA
3/16" x 3/16"
Series NA
1/4" x 1/4"
Series NB
5/16" x 5/16"
Series NC
3/8" x 3/8"
Series ND
1/2" x 1/2"
Series NF
3/4" x 3/4"
Series NG
1" x 1"
A—angular A—angular A—angular A—angular A—angular A—angular A—angular
C—radial C—radial C—radial C—radial C—radial C—radial C—radial
X—four point X—four point X—four point X—four point X—four point X—four point X—four point