61903/29.5-LLB ABEC5 Enduro Bike Bearing 17x29.5x7

61903/29.5-LLB ABEC5 Enduro Bike Bearing 17x29.5x7
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Brand:  Enduro
Enduro Range  ABEC5
Measurement Unit  Metric
Inside Diameter  17.00mm
Outside Diameter  29.50mm
Width  7.00mm
Seals or Shields  Rubber Seals
Clearance  Standard

Availability  

  

Our Price:  £11.66(Exc. 20% VAT)(£13.99 Inc. VAT)
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Enduro


61903/29.5-LLB ABEC5 Enduro Bike Bearing 17x29.5x7

Enduro ABEC-5 Specification:

Grade 5 Chromium Steel Balls
High precision balls are within 5/1,000,000″ round. 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.

 

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