here's the current crank. https://imgur.com/a/azUhcjI

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and here's an example of what I might try to replace it with. is this the right type of BB?

opt1: https://www.amazon.com/gp/product/B09QKSWDT6/ref=ox_sc_act_title_1?smid=ALRGQC09PQJN2&th=1&psc=1

opt2: https://www.amazon.com/gp/product/B09J8D2JJX/ref=ox_sc_act_title_2?smid=A1IA82DQXRA2BK&psc=1

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just as examples