MGOKB series (3-stage)

Wide holes in output flange, ideal for rack and pinion mounting
Reinforced axial and radial load
Heavy Duty gearbox
Steel output flange ISO 9409
Helical gear technology
Nominal Torques:
- T_2N : 55 Nm - 3,920 Nm
Ratios
- 3-stage : 64 / 84 / 100 / 125 / 140 / 175 / 200 / 250 / 280 / 350 / 400 / 500 / 700 / 1,000
Low Backlash
- 3-traps : ≤ 4 arcmin
High Efficiency
- 3-stage : ≥ 92%
Easy mount
Low noise
Compact structure
Sizes available: MGOKB115 / MGOKB140 / MGOKB170 / MGOKB240 / MGOKB285 / MGOKB320

Model		Stage	Ratio¹	MGOKB115	MGOKB140	MGOKB170	MGOKB240	MGOKB285	MGOKB320
Nominal output torque T_2N	Nm	3	64	165	310	690	1,425	1,680	3,280
			85	165	300	670	1,380	1,680	3,280
			100	165	290	655	1,355	2,085	3,830
			125	190	330	730	1,355	2,095	3,850
			140	170	285	630	1,310	2,100	3,860
			175	190	325	705	1,370	2,115	3,885
			200	175	290	605	1,265	2,100	3,900
			250	195	335	680	1,380	2,135	3,920
			280	180	300	610	1,230	1,560	3,000
			350	200	345	705	1,395	1,950	3,750
			400	160	330	670	1,330	1,440	2,400
			500	200	380	760	1,405	1,800	3,000
			700	135	325	670	1,240	1,875	3,005
			1,000	55	160	380	660	1,065	1,725
Emergency stop torque T_2NOT	Nm	3	64~1,000	2 times nominal output torque T_2N
Max. Acceleration torque T_2B	Nm	3	64~1,000	1,5 times nominal output torque T_2N
No load running torque ⁽²⁾	Nm	3	64~1,000	0.2	0.2	0.3	0.4	1	1.2
Backlash ⁽³⁾	arcmin	3	64~1,000	≤ 4	≤ 4	≤ 4	≤ 4	≤ 4	≤ 4
Torsional rigidity	Nm/ arcmin	3	64~1,000	27	56	112	389	642	1,275
Nominal input speed N_1N	rpm	3	64~1,000	5,500	4,600	4,600	4,000	3,700	3,400
Max. input speed N_1B	rpm	3	64~1,000	7,000	7,000	7,000	6,000	5,500	5,000
Max. radial load F_2a⁽⁴⁾	N	3	64~1,000	2,900	4,070	13,700	29,000	40,000	46,000
Max. Tilting moment M_2a⁽⁴⁾	Nm	3	64~1,000	1,300	2,180	3,600	10,500	18,400	22,000
Operating temperature	ºC	3	64~1,000	-10ºC ~+ 90ºC
Degree of Protection		3	64~1,000	IP67
Lubrication		3	64~1,000	Synthetisch lubrication grease
Mounting position		3	64~1,000	All directions
Running noise ⁽³⁾	dB(A)	3	64~1,000	≤ 66	≤ 68	≤ 68	≤ 70	≤ 70	≤ 72
Efficiency	%	3	64~1,000	≥ 92 %

Ratio ( i = N in / N out )
Backlash is measured at 2% of Nominal output torque T_2N.
These values are measured by gearbox with ratio = 10 (1-stage) or ratio = 100 (2-stage) at 3.000 rpm without load.
Applied to the output flange center at 100 rpm.
Continuous operation is not recommended.

(1) ø = Input shaft diameter

MGKB 3-stage serie: