GF775 DC Gearmotors - Flat

GF775 Series

GF-DC775 joins the DC775 brushed motor to a flat GF spur gearbox. The gearbox body measures 119 × 70 × 25 mm and has a listed 9.5 mm output shaft.

Product Highlights

Motor voltages: 12 V, 24 V
Listed gear ratios: 127–5078:1
Gearbox body: 119 × 70 × 25 mm
Output shaft diameter: 9.5 mm

Customization Available

Custom output shaft dimensions and features
Motor voltage and winding options
Gear ratios
Mounting and mechanical integration

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Product Specifications

Model	GF775-123000-127K	GF775-123000-251K	GF775-123000-389K	GF775-123000-590K	GF775-123000-722K	GF775-123000-897K	GF775-123000-1269K	GF775-123000-1601K	GF775-123000-1929K	GF775-123000-3385K	GF775-123000-5078K	GF775-124500-127K	GF775-124500-251K	GF775-124500-389K	GF775-124500-590K	GF775-124500-722K	GF775-124500-897K	GF775-124500-1269K	GF775-124500-1601K	GF775-124500-1929K	GF775-124500-3385K	GF775-124500-5078K	GF775-126000-127K	GF775-126000-251K	GF775-126000-389K	GF775-126000-590K	GF775-126000-722K	GF775-126000-897K	GF775-126000-1269K	GF775-126000-1601K	GF775-126000-1929K	GF775-126000-3385K	GF775-126000-5078K	GF775-243000-127K	GF775-243000-251K	GF775-243000-389K	GF775-243000-590K	GF775-243000-722K	GF775-243000-897K	GF775-243000-1269K	GF775-243000-1601K	GF775-243000-1929K	GF775-243000-3385K	GF775-243000-5078K	GF775-244500-127K	GF775-244500-251K	GF775-244500-389K	GF775-244500-590K	GF775-244500-722K	GF775-244500-897K	GF775-244500-1269K	GF775-244500-1601K	GF775-244500-1929K	GF775-244500-3385K	GF775-244500-5078K	GF775-246000-127K	GF775-246000-251K	GF775-246000-389K	GF775-246000-590K	GF775-246000-722K	GF775-246000-897K	GF775-246000-1269K	GF775-246000-1601K	GF775-246000-1929K	GF775-246000-3385K	GF775-246000-5078K
Gearbox Type	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat	Spur Gearbox - Flat
Series Model	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775	GF775
Combination Display Model	GF775-123000-127K	GF775-123000-251K	GF775-123000-389K	GF775-123000-590K	GF775-123000-722K	GF775-123000-897K	GF775-123000-1269K	GF775-123000-1601K	GF775-123000-1929K	GF775-123000-3385K	GF775-123000-5078K	GF775-124500-127K	GF775-124500-251K	GF775-124500-389K	GF775-124500-590K	GF775-124500-722K	GF775-124500-897K	GF775-124500-1269K	GF775-124500-1601K	GF775-124500-1929K	GF775-124500-3385K	GF775-124500-5078K	GF775-126000-127K	GF775-126000-251K	GF775-126000-389K	GF775-126000-590K	GF775-126000-722K	GF775-126000-897K	GF775-126000-1269K	GF775-126000-1601K	GF775-126000-1929K	GF775-126000-3385K	GF775-126000-5078K	GF775-243000-127K	GF775-243000-251K	GF775-243000-389K	GF775-243000-590K	GF775-243000-722K	GF775-243000-897K	GF775-243000-1269K	GF775-243000-1601K	GF775-243000-1929K	GF775-243000-3385K	GF775-243000-5078K	GF775-244500-127K	GF775-244500-251K	GF775-244500-389K	GF775-244500-590K	GF775-244500-722K	GF775-244500-897K	GF775-244500-1269K	GF775-244500-1601K	GF775-244500-1929K	GF775-244500-3385K	GF775-244500-5078K	GF775-246000-127K	GF775-246000-251K	GF775-246000-389K	GF775-246000-590K	GF775-246000-722K	GF775-246000-897K	GF775-246000-1269K	GF775-246000-1601K	GF775-246000-1929K	GF775-246000-3385K	GF775-246000-5078K
Theoretical Assembly Net Weight (kg)	0.967	0.991	0.991	0.991	0.991	0.991	1.015	1.015	1.015	1.035	1.035	0.967	0.991	0.991	0.991	0.991	0.991	1.015	1.015	1.015	1.035	1.035	0.967	0.991	0.991	0.991	0.991	0.991	1.015	1.015	1.015	1.035	1.035	0.967	0.991	0.991	0.991	0.991	0.991	1.015	1.015	1.015	1.035	1.035	0.967	0.991	0.991	0.991	0.991	0.991	1.015	1.015	1.015	1.035	1.035	0.967	0.991	0.991	0.991	0.991	0.991	1.015	1.015	1.015	1.035	1.035
Gearbox Weight (kg)	0.62	0.644	0.644	0.644	0.644	0.644	0.668	0.668	0.668	0.688	0.688	0.62	0.644	0.644	0.644	0.644	0.644	0.668	0.668	0.668	0.688	0.688	0.62	0.644	0.644	0.644	0.644	0.644	0.668	0.668	0.668	0.688	0.688	0.62	0.644	0.644	0.644	0.644	0.644	0.668	0.668	0.668	0.688	0.688	0.62	0.644	0.644	0.644	0.644	0.644	0.668	0.668	0.668	0.688	0.688	0.62	0.644	0.644	0.644	0.644	0.644	0.668	0.668	0.668	0.688	0.688
Measured Assembly Net Weight (kg)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Rated Voltage (V)	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24
No Load Speed (rpm)	24	12	8	5	4	3	2	2	2	1	1	35	18	12	8	6	5	4	3	2	1	1	47	24	15	10	8	7	5	4	3	2	1	24	12	8	5	4	3	2	2	2	1	1	35	18	12	8	6	5	4	3	2	1	1	47	24	15	10	8	7	5	4	3	2	1
Motor Rated-Point Output Speed (Reference) (rpm)	19.29	9.76	6.30	4.15	3.39	2.73	1.93	1.53	1.27	0.72	0.48	29.76	15.06	9.72	6.41	5.24	4.21	2.98	2.36	1.96	1.12	0.74	40.91	20.70	13.35	8.81	7.20	5.79	4.09	3.24	2.69	1.53	1.02	21.77	11.02	7.11	4.69	3.83	3.08	2.18	1.73	1.43	0.82	0.54	30.09	15.22	9.82	6.48	5.29	4.26	3.01	2.39	1.98	1.13	0.75	41.20	20.85	13.45	8.87	7.25	5.83	4.12	3.27	2.71	1.55	1.03
No Load Current (mA)	420	420	420	420	420	420	420	420	420	420	420	750	750	750	750	750	750	750	750	750	750	750	1400	1400	1400	1400	1400	1400	1400	1400	1400	1400	1400	230	230	230	230	230	230	230	230	230	230	230	400	400	400	400	400	400	400	400	400	400	400	650	650	650	650	650	650	650	650	650	650	650
Rated Current (mA)	1200	1200	1200	1200	1200	1200	1200	1200	1200	1200	1200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	3500	3500	3500	3500	3500	3500	3500	3500	3500	3500	3500	700	700	700	700	700	700	700	700	700	700	700	1200	1200	1200	1200	1200	1200	1200	1200	1200	1200	1200	1770	1770	1770	1770	1770	1770	1770	1770	1770	1770	1770
Stall Current (mA)	6000	6000	6000	6000	6000	6000	6000	6000	6000	6000	6000	10000	10000	10000	10000	10000	10000	10000	10000	10000	10000	10000	18400	18400	18400	18400	18400	18400	18400	18400	18400	18400	18400	3880	3880	3880	3880	3880	3880	3880	3880	3880	3880	3880	8300	8300	8300	8300	8300	8300	8300	8300	8300	8300	8300	12100	12100	12100	12100	12100	12100	12100	12100	12100	12100	12100
Motor Rated-Point Output Torque (Reference) (mN·m)	3182.11	5599.84	8678.64	13162.98	16107.91	20012.19	25698.18	32421.42	39063.66	61577.67	92375.60	3818.53	6719.81	10414.37	15795.57	19329.50	24014.62	30837.82	38905.71	46876.40	73893.21	110850.72	4345.85	7647.78	11852.54	17976.86	21998.81	27330.93	35096.37	44278.40	53349.80	84097.51	126158.68	3654.88	6431.82	9968.04	15118.62	18501.09	22985.42	29516.19	37238.32	44867.41	70726.35	106099.98	4891.36	8607.76	13340.31	20233.37	24760.16	30761.59	39501.77	49836.36	60046.43	94653.68	141994.50	5218.66	9183.74	14232.97	21587.28	26416.98	32819.98	42145.01	53171.13	64064.41	100987.38	151495.99
Theoretical Stall Output Torque (Reference) (mN·m)	20729.18	36478.97	56535.14	85747.39	104931.55	130365.09	167405.28	211202.41	254471.86	401134.55	601761.07	23765.82	41822.82	64817.04	98308.63	120303.10	149462.44	191928.69	242141.71	291749.75	459897.24	689913.79	28448.07	50062.59	77587.04	117677.01	144004.74	178908.94	229741.72	289847.52	349229.14	550504.38	825837.89	24420.43	42974.79	66602.36	101016.44	123616.73	153579.23	197215.17	248811.26	299785.71	472564.64	708916.77	37585.27	66142.14	102507.14	155473.55	190257.46	236372.50	303532.21	382943.31	461397.66	727320.27	1091087.84	41503.82	73037.94	113194.26	171682.82	210093.21	261016.08	335177.68	422867.98	509501.77	803148.77	1204841.79
Motor Rated-Point Output Power (Reference) (W)	6.428	5.724	5.724	5.724	5.724	5.724	5.196	5.196	5.196	4.667	4.667	11.902	10.598	10.598	10.598	10.598	10.598	9.619	9.619	9.619	8.641	8.641	18.616	16.576	16.576	16.576	16.576	16.576	15.046	15.046	15.046	13.516	13.516	8.333	7.420	7.420	7.420	7.420	7.420	6.735	6.735	6.735	6.050	6.050	15.411	13.722	13.722	13.722	13.722	13.722	12.455	12.455	12.455	11.189	11.189	22.518	20.051	20.051	20.051	20.051	20.051	18.200	18.200	18.200	16.349	16.349
Estimated Combination Efficiency (%)	52.56	46.80	46.80	46.80	46.80	46.80	42.48	42.48	42.48	38.16	38.16	52.56	46.80	46.80	46.80	46.80	46.80	42.48	42.48	42.48	38.16	38.16	52.56	46.80	46.80	46.80	46.80	46.80	42.48	42.48	42.48	38.16	38.16	52.56	46.80	46.80	46.80	46.80	46.80	42.48	42.48	42.48	38.16	38.16	52.56	46.80	46.80	46.80	46.80	46.80	42.48	42.48	42.48	38.16	38.16	52.56	46.80	46.80	46.80	46.80	46.80	42.48	42.48	42.48	38.16	38.16
Measured Assembly Efficiency (%)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Direction Of Rotation	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW	CW/CCW
Motor Diameter (mm)	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45
Gearbox Width (mm)	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70
Gearbox Height (mm)	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25
Gearbox Length (mm)	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119	119
Component Body Length Sum (Reference) (mm)	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185	185
Assembly Axial Length (Drawing / Measured) (mm)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Output Shaft Diameter (mm)	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.5
Gear Ratio (:1)	127	251	389	590	722	897	1269	1601	1929	3385	5078	127	251	389	590	722	897	1269	1601	1929	3385	5078	127	251	389	590	722	897	1269	1601	1929	3385	5078	127	251	389	590	722	897	1269	1601	1929	3385	5078	127	251	389	590	722	897	1269	1601	1929	3385	5078	127	251	389	590	722	897	1269	1601	1929	3385	5078
Number Of Gear Stages	3	4	4	4	4	4	5	5	5	6	6	3	4	4	4	4	4	5	5	5	6	6	3	4	4	4	4	4	5	5	5	6	6	3	4	4	4	4	4	5	5	5	6	6	3	4	4	4	4	4	5	5	5	6	6	3	4	4	4	4	4	5	5	5	6	6
Max Continuous Torque (mN·m)	2942.00	2942.00	4903.33	4903.33	4903.33	4903.33	7845.32	7845.32	7845.32	9806.65	9806.65	2942.00	2942.00	4903.33	4903.33	4903.33	4903.33	7845.32	7845.32	7845.32	9806.65	9806.65	2942.00	2942.00	4903.33	4903.33	4903.33	4903.33	7845.32	7845.32	7845.32	9806.65	9806.65	2942.00	2942.00	4903.33	4903.33	4903.33	4903.33	7845.32	7845.32	7845.32	9806.65	9806.65	2942.00	2942.00	4903.33	4903.33	4903.33	4903.33	7845.32	7845.32	7845.32	9806.65	9806.65	2942.00	2942.00	4903.33	4903.33	4903.33	4903.33	7845.32	7845.32	7845.32	9806.65	9806.65
Motor Torque at Gearbox Continuous Limit (Reference) (mN·m)	31.73	18.03	19.39	12.79	10.45	8.41	10.48	8.31	6.89	5.47	3.64	31.73	18.03	19.39	12.79	10.45	8.41	10.48	8.31	6.89	5.47	3.64	31.73	18.03	19.39	12.79	10.45	8.41	10.48	8.31	6.89	5.47	3.64	31.73	18.03	19.39	12.79	10.45	8.41	10.48	8.31	6.89	5.47	3.64	31.73	18.03	19.39	12.79	10.45	8.41	10.48	8.31	6.89	5.47	3.64	31.73	18.03	19.39	12.79	10.45	8.41	10.48	8.31	6.89	5.47	3.64
Gearbox Allowable Intermittent Torque (mN·m)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Gearbox Breaking Torque (Destructive Limit) (mN·m)	8825.99	8825.99	14709.98	14709.98	14709.98	14709.98	23535.96	23535.96	23535.96	29419.95	29419.95	8825.99	8825.99	14709.98	14709.98	14709.98	14709.98	23535.96	23535.96	23535.96	29419.95	29419.95	8825.99	8825.99	14709.98	14709.98	14709.98	14709.98	23535.96	23535.96	23535.96	29419.95	29419.95	8825.99	8825.99	14709.98	14709.98	14709.98	14709.98	23535.96	23535.96	23535.96	29419.95	29419.95	8825.99	8825.99	14709.98	14709.98	14709.98	14709.98	23535.96	23535.96	23535.96	29419.95	29419.95	8825.99	8825.99	14709.98	14709.98	14709.98	14709.98	23535.96	23535.96	23535.96	29419.95	29419.95
Backlash (°)	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
Component Temperature Intersection (Reference) (°C)	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65
Working Lifespan (hours)	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800	800
Noise Level @ 30cm (dB)	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53	53