42mm Frame size

Rated current A/Phase	Part number		Holding torque N?m (kgf?cm)	Resistance ?/Phase	Rotor inertia 10-7kg??	Motor length L(mm)	Mass ?
	Single shaft	Double shaft
0.75A	1K-S543	1K-S543-W	0.13 (1.3)	1.7	35	33	200
0.75A	2K-S544	2K-S544-W	0.18 (1.8)	2.2	54	39	240
0.75A	3K-S545	3K-S545-W	0.24 (2.4)	2.2	68	47	310