Dewalt 740 - motor bearings - Woodworking Talk - Woodworkers Forum
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post #1 of 3 Old 05-12-2020, 03:30 PM Thread Starter
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Dewalt 740 - motor bearings

My old Dewalt Radial Arm saw is screaming for new bearings. I can't seem to find the part number of the bearings that it needs. I have been told that Dewalt/Black and Decker purged all there old maintenance information on the vintage saws years ago, and so far I have not been able to identify the correct bearings. The motor number is 70589-51. I believe the correct part numbers for the bearings are 6203LL & 6203LLNR. But, I'm making a lot of assumptions to say those are the correct part numbers. I use the saw a lot and I hate to tear her down until I have the parts in hand an ready to replace them. If you know where I could research this and determine the parts I need or if you know by chance, I would appreciate hearing from you.

Thanks in advance.
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post #2 of 3 Old 05-12-2020, 07:34 PM
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For motor #70589-51, the parts bulletin lists the motor bearing as Dewalt part number 80110, quantity of 2. That part number has been superseded, probably multiple times, over the years. I saw one reference to Dewalt part # 330003-16 being a replacement, but couldn't find a cross reference to an industry standard bearing number. Maybe another forum member has replaced bearings on that model of motor and can provide the bearing number.
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Last edited by Tom-G; 05-12-2020 at 07:51 PM. Reason: fix a typo.
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post #3 of 3 Old 05-12-2020, 07:46 PM Thread Starter
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Thanks Tom, For investigating. I have spent a lot of time on line investigating my options, but without success. Hopefully someone will be able to help me, the old Dewalt is starting to sound angry!
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740, dewalt, motor bearing

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