Motor Shaft Adapter Coupler 15mm 16mm 17mm 18mm 19mm 20mm 22mm 24mm 25mm 28mm 30mm 35mm Single Disk Coupling Od 68mm - Shaft Couplings - AliExpress
TEC 14mm/19mm Shaft Sleeve or Size Adaptor RB14/19 - Accessories for Gearboxes
SHAFT ADAPTER 1/2 L.H. - Caswell Inc
14mm ID Shaft Sleeve for PLE34 Series Planetary Gearbox Gear - SS-14 STEPPERONLINE
Blakeslee 17514 Impeller Spindle, 7/8" Motor Shaft | Parts Town
Motor Shaft Collet Chuck Extension Rod Holder ER11A 5mm Mini CNC Milling Spindle Toolholder For Boring Tapping Grinding From Shuzhanonline, $8.97 | DHgate.Com