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ENDURO BEARINGS Bearing Abec 5 – SRS 1 Piece

Original price was: $7.99.Current price is: $5.59.

SKU: YWXSD 157122 Category: MTB Maintenance Tag: Enduro Bearings

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Bearing sold individually.

Grade 5 Chromium Steel Balls

High precision 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

Vacuum de-gassed process for the purest chromium alloy steel, hardened to R-62, extremely tough and very durable. Polished to a mirror finish for ABEC-5 precision and noiseless movement.

Graphite/Nylon Ball Retainers

Nylon with graphite retainers are virtually frictionless while providing constant lubrication.

The ABEC-5 Standard

To meet the ABEC-5 standard, bearing design must pass all tests, which include noise testing at high RPM, extremely close tolerances for I.D. and O.D., roundness of ball, trueness of the races and micro surface finishes of balls and races.

C-3 Clearance

This specification describes the internal clearance between the bearing and its race. For example, in a 10-18 I.D. bearing, our standard is 11-21 micrometers where as others use 11-25 micrometers.

All across the board, our bearings have higher standards of tolerance, to ensure superior performance.

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