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Old 15-09-2019, 08:47   #1
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Location: France in summer, aboard GALAWA in Caribeans in winter.
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CHANGING BEARINGS ON ST60 MAST HEAD UNIT

My Raymarine ST60 anemometer on masthead unit appears to be arthritic. It will not spin if apparent wind is less than 7 knots.
I would like to change its roller bearing.
I was unable to get the specs of these bearings from Raymarine, nor a quotation for such spare parts . They only offer complete masthead units for 400+

Can anyone tell me the specification of these bearings, and where to get them from ?
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Old 16-09-2019, 09:53   #2
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Re: CHANGING BEARINGS ON ST60 MAST HEAD UNIT

Quote:
Originally Posted by GALAWA View Post
My Raymarine ST60 anemometer on masthead unit appears to be arthritic. It will not spin if apparent wind is less than 7 knots.
I would like to change its roller bearing.
I was unable to get the specs of these bearings from Raymarine, nor a quotation for such spare parts . They only offer complete masthead units for 400+

Can anyone tell me the specification of these bearings, and where to get them from ?
I feel your pain... its a shame when there is something that can be fixed but they make it difficult so that we need to toss and buy a new one....

There may be some hope for you here:

"Instructions can be found on these forums somewhere - searching should yield results.

The bearings I bought from https://www.smbbearings.com/ - part number was S693ZZ (stainless 3x8x4 shielded) - I bought a pack of ten and it was 21 incl. shippin
g."

from

Raymarine ST60 anemometer bearings [Archive] - Yachting and Boating World Forums
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Old 17-09-2019, 03:06   #3
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Re: CHANGING BEARINGS ON ST60 MAST HEAD UNIT

Those small bearings are generally referred to as "technical bearings".
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