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Old 01-30-2003, 07:37 PM   #1
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bearing sizes?

anyone know how to tell how big or what size a bearing is?
for example: some tamiya plastic bearings are like 5x11. anyone know how to tell the numbers and what makes them 5x11?
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Old 01-30-2003, 09:21 PM   #2
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Sometimes they are listed in the manual

sizes are listed in the following format:

ID x OD x thickness

so 5x11x4 would be 5mm ID x 11mm OD x 4mm thick.
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Old 01-31-2003, 06:38 AM   #3
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the ID (internal Diameter) is often called bore on metric bearings.

for a pictorial representation click here


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