Square Flanged Mounted Linear Motion Ball Bearing 6mm/0.24'' Inner Bore, 35mm/1.38 Inch L, LMK6UU $5.20 B00RV695M0
LMF6UU Round Flanged Mounted Linear Ball Bearing 6mm/0.24'' In Bore, 19mm Length $5.20 B00RVA91P2
SCS25UU Linear Motion Ball Bearing CNC Slide Bushing 25mm $24.20 B00RVB27IE
CNC Motor Shaft Coupler D20 L25 Flexible Coupling 3mm to 4mm $6.86 B00SMO5DR6
1pc Shaft Coupler D25 L30 Flexible Coupling Stepper Motor Encoder Inner Dia.6.35mm to 12.7mm $6.77 B00SMO5N94
Flexible Double Diaphragm Coupling Joint OD D26mm L37mm Clamping Disc Coupler 6.35 x 10mm $19.20 B00UBENJVW