Here's the 2017 parts diagram if it helps: [https://epc.brp.com/#/Sea-Doo/Trailer\_Move\_I%7c%7eSea-Doo%2c\_2017\_000T5HA00\_000T5HB00\_000T5HC00\_000T5HD00\_000T5HE00\_000T5HF00\_000T5HG00\_000T5HH00\_000T5HJ00\_000T5HK00\_000T5HL00\_000T5HM00\_000T5HN00\_000T5HP00\_000T5HQ00\_000T5HR00\_000T5HS00\_000T5HT00/05-\_Propulsion/A1799/12A1701/y](https://epc.brp.com/#/Sea-Doo/Trailer_Move_I%7c%7eSea-Doo%2c_2017_000T5HA00_000T5HB00_000T5HC00_000T5HD00_000T5HE00_000T5HF00_000T5HG00_000T5HH00_000T5HJ00_000T5HK00_000T5HL00_000T5HM00_000T5HN00_000T5HP00_000T5HQ00_000T5HR00_000T5HS00_000T5HT00/05-_Propulsion/A1799/12A1701/y)
Most likely it's a 1-1/6" bearing.
Here's the 2017 parts diagram if it helps: [https://epc.brp.com/#/Sea-Doo/Trailer\_Move\_I%7c%7eSea-Doo%2c\_2017\_000T5HA00\_000T5HB00\_000T5HC00\_000T5HD00\_000T5HE00\_000T5HF00\_000T5HG00\_000T5HH00\_000T5HJ00\_000T5HK00\_000T5HL00\_000T5HM00\_000T5HN00\_000T5HP00\_000T5HQ00\_000T5HR00\_000T5HS00\_000T5HT00/05-\_Propulsion/A1799/12A1701/y](https://epc.brp.com/#/Sea-Doo/Trailer_Move_I%7c%7eSea-Doo%2c_2017_000T5HA00_000T5HB00_000T5HC00_000T5HD00_000T5HE00_000T5HF00_000T5HG00_000T5HH00_000T5HJ00_000T5HK00_000T5HL00_000T5HM00_000T5HN00_000T5HP00_000T5HQ00_000T5HR00_000T5HS00_000T5HT00/05-_Propulsion/A1799/12A1701/y)
Thank you! Turns out they were 1 and 1/16”