MTD Sealed Bearing No. 941-0524. The ID is .635", The OD is 1.575" and the Ht/width is .475". This is an origional MTD part that replaces MTD part numbers 7410524, 741-0524, 741-0524P, 9410524, GW-741-0524 and GW-M6020004.
MTD Deck Spindel Spacer No. 748-3065. THis is an OEM replacement part. Replaces part numbers. 748-3065, 748-0365a, 7483065, 7483065a, 9483065, 948-3065, 9483065a, and 948-3065a.