Bearing Identification

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  #1  
Old 11-18-10, 11:16 AM
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Bearing Identification

I am in need of about four flat idler pulleys. They are no longer available and I have searched extensivly! All have bad bearings that are sandwiched between the pulley halves. I removed the rivets and found the ball bearings have no identification numbers.
They are 1.575" OD by .500" thk. and the ID is 3/8" that a 3/8 bolt passes through.
What do you call a bearing like this that doesn't have a precision ID?
 
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Old 11-18-10, 01:12 PM
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6203 or 6203-5/8 would be the closest match could be bushed down to 3/8. What is the Idler part number there might be a cross.

AJ
 
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Old 11-18-10, 10:29 PM
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Like aj-allen says, most pulleys on mowers use 6203 bearings with a bushing driven into the center to stand it off the mounting surface and reduce the hole to 3/8" for the mounting bolt. There are pulleys of nearly every size available even if the exact number is NLA.
 
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