Geared Motor
BMS12-21XX with Spur gear

This is a combination of high efficiency /
low noise spur gear head SSG12
and brushed motor BMS12-21XX.

	Gear Ratio	16	25	47	74	94	175	282
1	Reduction ratio (absolute value)	15.78:1	24.70:1	47.35:1	74.30:1	93.86:1	175.50:1	281.58:1
2	Number of stage	3	3	4	4	4	5	5
3	Efficiency	73	73	66	66	66	59	59	%
4	Direction of rotation	≠	≠	=	=	=	≠	≠
5	Length （Motor＋Gear＝L2）	35	35	37	37	37	39	39	mm
	Length （Motor＋Gear＋Encoder）	TBD							mm
	Length （Motor ＋Encoder）	TBD							mm
6	Max allowable torque (Continuous)	12		15					mNm
7	Max allowable torque (Intermittent)	30							mNm

	Gear Ratio	16	25	47	74	94	175	282
8	No load speed	2125	1364	709	454	359	192	120	rpm
9	No load current	130	116	126	122	117	119	116	mA
10	Stall torque	65	102	175	274	348	585	940	mNm
11	Stall current	2924	2924	2924	2924	2924	2924	2924	mA

	Gear Ratio	16	25	47	74	94	175	282
8	No load speed	2091	1342	698	447	353	189	118	rpm
9	No load current	107	98	104	102	99	100	98	mA
10	Stall torque	66	104	179	280	356	598	961	mNm
11	Stall current	1863	1863	1863	1863	1863	1863	1863	mA