if you need new ones, I bought a set from these guys in the UK and they arrived in Texas in two days! very reasonable pricing too
https://www.qualitybearingsonline.com/
Here's a text clip from an earlier thread with dimensions. Worked perfect in my case
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Front bearing: 47mm OD x 20mm ID x 18mm Wide. #62204-2RS1 (SKF). $22 (I had a 14mm wide bearing here and a spacer behind my pulley!)
Middle and Rear bearing: 47mm x 25mm x 16mm. #63005-2RS1 (SKF) $20
Rear bearing for LATE cars: (not sure where cutoff is, but if a 47mm is too small.....
52mm x 25mm x 15mm #205-SZ3 MCH? $16
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MH