If you have the original bearing, there should be a number stamped on it. Take that to a bearing shop (most reasonably sized cities have one) and they can likely cross it over to a current manufacturer's bearing number.

It's GM PN 954257 which crosses to a Timken 88107 according to this.

The Filling Station also carries them. LINK


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.