Enduro 17287 ABEC-5 Sealed Bearing

Enduro 17287 ABEC-5 Sealed Bearing.

  • Dimensions: OD: 28mm / ID: 17mm / Width: 7mm
  • Enduro Part # BB MR 17287 LLB A5
  • Imported
  • Sold individually


Enduro Sealed Bearings


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  • OD: 28mm
  • ID: 17mm
  • Width: 7mm
  • Seals: LLB Type, Silicone

ABEC-5 Grade

Extremely tough and very durable steel bearing with a little boost in performance over ABEC-3 bearings.

Grade 5 chromium steel balls are within 5/1,000,000″ round. These are military level specification, used for precision equipment. R-64 hardness, of the highest grade. 52100 high carbon chromium alloy races go through a vacuum de-gassing process resulting in the purest chromium alloy steel, hardened to R-62. Nylon with graphite retainers are virtually frictionless while providing constant lubrication.