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Nelson 40 Help

Old 12-10-2011, 01:18 AM
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Default Nelson 40 Help

Good Morning.
I have an old version of Nelson 40.
I need the rear ball bearing, the dimensions are 19x30mm.
Anyone know where it is possible to find this ball bearing?


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Old 12-10-2011, 07:13 AM
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Default RE: Nelson 40 Help

Ball bearings (Swiss WIB C4 bearings) are available from Dave Shadel at Performance specialties in Nevada!
Old 12-11-2011, 02:29 PM
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Default RE: Nelson 40 Help

Boca Bearing has these bearings...
Old 12-11-2011, 09:06 PM
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Default RE: Nelson 40 Help

If your crankshaft is 19mm in diameter I believe you assemble the balls directly on the crankshaft along with the outer race of the bearing. I think you need a 30X17X7mm bearing then pop out the retainer, assemble the balls on the crank along with outer race, then pop the retainer back in, then install the crank with bearing in the case. Not completely sure because the pictures of your motor are blurred, hope I've helped.

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