RULAND MANUFACTURING Shaft Collar,Keyed,14mm,Aluminum, OD 30 mm,W 11 mm (MSPK-14-A) | Zoro
Amazon.com: MECCANIXITY Shaft Collar 1.57 Inch Bore Single Split Aluminum Clamping Collar Shaft Collars with Set Screw Silver Tone : Industrial & Scientific
1-1/8" STEEL SHAFT COUPLER 1-1563-F | eBay
Ruland SPK-20-SS Two-Piece Clamping Shaft Collar with Keyway | eBay