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Forums28
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Jul 28th, 2026
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Joined: Jul 2004
Posts: 893
J30.us
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J30.us
Joined: Jul 2004
Posts: 893 |
Has anyone installed a main halyard sheave using the ball bearing option? If so what part number did you use?
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Joined: Apr 2024
Posts: 4
Forum Newbie
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Forum Newbie
Joined: Apr 2024
Posts: 4 |
The most accurate way is to take precise measurements of the old sheaves before removing them from the mast. This includes the sheave diameter, groove diameter (if applicable for wire rope), sheave width, and pin diameter. If you know the manufacturer of your boat, reach out to their customer service department. They might have spare parts catalogs or technical drawings that include the halyard sheave specifications. Stainless steel with ball bearings sounds like a great choice for durability and low friction. Make sure the chosen stainless steel grade is appropriate for marine use to withstand corrosion.
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Joined: Sep 2021
Posts: 36
Senior Member
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Senior Member
Joined: Sep 2021
Posts: 36 |
I replaced my main halyard sheaves to accommodate 3/8 line and got rid of the wire to rope splice a few seasons ago. So far so good. Dan #409
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