The gear is part of Sony CD Drive base unit BU-30 assembly. This drive is used in CD and VCD players. Base unit is marked BU-30BBD61M, A-4735-885-A. It is compatible with Aiwa BU-30 assembly.
Replacement part was created using a semi-professional 3D printer using durable Nylon material. The gear was tested for correct operation.
You can find the gear here in schematics:
Gear is compatible with following Sony CD Players: HCD-M333, MXD-D400, RCD-W2000ES, RCD-W10, RCD-W100, RCD-W222ES, RCD-W500C, RCD-W50C However, it might work also with other devices – just check your service manual.
The gear is available in e-shop. (gear only, without motor)