Drag Racing Discussions > Front Engine Dragsters
Front Spindle Bearings
JrFuel Hayden:
PSweeney, With the hubs I make, I use bearing number 1628ZZ , ZZ is metal shielded/ sealed bearing, because it has less rolling resistance, and it has an OD of 1 5/8 [ 1.625] and 5/8 ID. When I rebuild show car wheels using no longer made hubs I have had to make a OD spacer of .0625", or you could get a smaller bearing R10, with a 1 3/8" OD and make a larger spacer. Or bearing number 6203 ZZ with a 40mm OD = 1.574" .
If you have found a larger OD that would make you machine to a larger OD, and you don't want to take the wheel apart, you could machine out the hub using a mill, not a lathe .
I hope this helps,
Jon Hansen, Hayden Wheels, 800-624-3803, 805-444-4489
PSweeney:
--- Quote from: dreracecar on March 10, 2015, 08:36:30 AM ---"wimp"
--- End quote ---
yep :) she feeds me and grants me other privileges :D
PSweeney:
--- Quote from: JrFuel Hayden on March 10, 2015, 01:32:17 PM ---PSweeney, With the hubs I make, I use bearing number 1628ZZ , ZZ is metal shielded/ sealed bearing, because it has less rolling resistance, and it has an OD of 1 5/8 [ 1.625] and 5/8 ID. When I rebuild show car wheels using no longer made hubs I have had to make a OD spacer of .0625", or you could get a smaller bearing R10, with a 1 3/8" OD and make a larger spacer. Or bearing number 6203 ZZ with a 40mm OD = 1.574" .
If you have found a larger OD that would make you machine to a larger OD, and you don't want to take the wheel apart, you could machine out the hub using a mill, not a lathe .
I hope this helps,
Jon Hansen, Hayden Wheels, 800-624-3803, 805-444-4489
--- End quote ---
thanks Jon. I have both bearings, the real problem is the bearing depth in the hubs. It's left the inner bearing protruding with no room for an oil seal and the outer bearing does not fit in deep enough to insert the cotter pin. The wheels are laced and tyres fitted hence we were looking for for an easy solution of a narrower bearing, either taper or ball but we can only find an inner one 1.5mm narrower and cannot find anything for the outer at all due to the odd OD size. I think I'll just have to bite the bullet and bore the shoulder in the hubs deeper to position the hub and outer bearing in the right place on the spindle.
JrFuel Hayden:
Maybe I was not clear, you don't need a grease seal if you use a sealed ball bearing, also if you are worried about the spindle nut not lining up with the cotter pin holes just use a nylock nut, it's what we use on our 190 mph dragster. Also if you still need to machine your hub use a milling machine with your wheels and tyres assembled .
Have fun !
Jon
PSweeney:
ball bearing sealed or otherwise won't work without machining up an insert or the hub to accept an available bearing, so I may as well machine them for the bearing I've already got. No doubt I'll be back soon asking how to lace and true spoked wheels !
Funny you mention a nyloc nut on the spindle. The altered in my avatar lost a wheel @ 140mph when the previous owner used a nyloc on the lefthand front wheel. Cotter pin for me !
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