Difference between revisions of "Shimming Skate Axles to 8mm"

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Skateboard axles are undersized 5/16" shafts and are on average 0.004" (dia.) less than what the 608 bearing's 8mm bore requires. The axle diameter should be shimmed up to 8mm (.3149")(usually, .0 015-.0020" stainless steel shim stock cut to .951" long x.977" wide works well). Curling the shim over the back side of some sissors makes it easier to get the bearing over while holding the shim on the axle.
 
Skateboard axles are undersized 5/16" shafts and are on average 0.004" (dia.) less than what the 608 bearing's 8mm bore requires. The axle diameter should be shimmed up to 8mm (.3149")(usually, .0 015-.0020" stainless steel shim stock cut to .951" long x.977" wide works well). Curling the shim over the back side of some sissors makes it easier to get the bearing over while holding the shim on the axle.
 
[[Image:Bearing1.jpg]]
 
[[Image:Bearing1.jpg]]
[[Image:Bearing2.jpg]]
 
[[Image:Bearing3.jpg]]
 
 
[[Image:Bearing4.jpg]]
 
[[Image:Bearing4.jpg]]
[[Image:Bearing5.jpg]]
 
 
[[Image:Bearing6.jpg]]
 
[[Image:Bearing6.jpg]]
 
[[Image:Bearing7.jpg]]
 
[[Image:Bearing7.jpg]]

Revision as of 21:35, 30 October 2006

When a skate wheel has been properly installed, the axle nut is fully tightend to proper torque and a very slight amount of play is felt in the wheel. This play will be play within the bearing itself rather than over the axle. Free spin may not be great, but free spin is not a valid test of proper installation of a skate wheel.

It is so important that bearings be mounted on the axle well. The hanger face should be machined perpendicular to the axle (a counterbore w/ pilot removed works well, MSC #08790644).

Skateboard axles are undersized 5/16" shafts and are on average 0.004" (dia.) less than what the 608 bearing's 8mm bore requires. The axle diameter should be shimmed up to 8mm (.3149")(usually, .0 015-.0020" stainless steel shim stock cut to .951" long x.977" wide works well). Curling the shim over the back side of some sissors makes it easier to get the bearing over while holding the shim on the axle. Bearing1.jpg Bearing4.jpg Bearing6.jpg Bearing7.jpg Bearing8.jpg Bearing9.jpg