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32" tiller bearing question

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I'm refurbishing my tiller. The manual shows a bearing (part #8151071) with a shield (part #105237) next to it. When I type in the # for the shield on Jack's website, nothing comes up. Does the shield come with the bearing?

Also, it looks like a Fafnir RA102-RRB bearing is about the same as the Simplicity part #8151071 bearing, and a lot cheaper. Anyone ever tried the Fafnir bearing, or have a part # for another after market bearing?

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I have a parts tiller here, and the guy I got it from had 2 new bearings for it. It is for the 32" round back. If you want them I will sell cheep.

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It rained today, so instead of doing outside work I went ahead and pulled this apart.

I'm guessing someone changed the bearings once before. There wasn't a "shield" between the bearing and collar like shown in the Simplicity parts manual. Instead, it had Fafnir RA102NPPB bearings in it. There's a "shoulder" on the side of the bearing, which I guess serves the purpose of the "shield" piece shown between the bearing and collar in the manual.

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