23 and 21 teeth motor shaft

manufacturer reference: 238124

manufacturer reference: 232101

manufacturer reference: 233842

manufacturer reference: 233924

manufacturer reference: 235752

manufacturer reference: 234429

manufacturer reference: 232607

manufacturer reference: 232518

manufacturer reference: 234312

manufacturer reference: 236215

manufacturer reference: 233638

manufacturer reference: 237129

manufacturer reference: 238125

manufacturer reference: 231677

manufacturer reference: 231836