Ondrives: Gearboxes Reducers - Spur Inline Planetary Gearbox - NT121 & NH121 - 17mm Shafts 2

NT121 NH121 : 17mm Shafts 2 - 68 Nm

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NT/NH121 Type : 17mm shaft output inline 20Nm-68Nm ratios 2:1 - 9:1

NT121 & NH121 Heavy Duty Inline Spur Gear Speed Reducer Gearbox
* NH121 Type with plain bore input - tapped holes and register must be specified

Discounts

1+ 0%

6+ 5%

20+ 10%

50+ 15%

100+ 20%

Part Number		Ratio	Efficiency at 1000 Rpm	Nm output at 1000 Rpm	Standard Direction	Cost	Quantity	Add to Basket	Cost	Quantity	Add to Basket
NT121-1/OPP	NH121-1/OPP	1:1	92%	27.1	Opposite	£458.73			£458.73
NT121-2	NH121-2	2:1	92%	27.1	Same	£411.99			£411.99
NT121-3	NH121-3	3:1	92%	27.5	Same	£411.99			£411.99
NT121-4	NH121-4	4:1	92%	28.6	Same	£411.99			£411.99
NT121-5	NH121-5	5:1	92%	29.7	Same	£411.99			£411.99
NT121-6	NH121-6	6:1	92%	31.0	Same	£411.99			£411.99
NT121-8	NH121-8	8:1	92%	32.5	Same	£411.99			£411.99
NT121-9	NH121-9	9:1	92%	34.0	Same	£411.99			£411.99
NT121-SP	NH121-SP	1:1-9:1	Special Ratios: Replace SP with required ratio			£458.73			£458.73

Extras	Cost	Quantity	Add to Basket
Shaft Key - KK5-40	£0.98

Material
Case: Aluminium
Gear: 655M13 Hardened

Nm output torque:

Ratio	1:1	10:1	12:1	15:1	18:1	20:1	27:1	36:1
Rpm Input
3000	20.0	20.0	20.0	21.1	22.2	23.5	29.7	26.0
2000	23.0	23.0	23.6	24.7	26.0	27.4	28.6	30.0
1000	27.1	27.1	27.5	28.6	29.7	31.0	32.5	34.0
500	31.5	31.5	32.0	33.3	34.8	36.4	38.0	40.0
200	35.0	35.0	35.5	37.2	38.0	40.8	42.8	45.0
100	40.0	40.0	41.0	41.8	42.7	43.6	47.0	51.0
50	47.2	47.2	48.0	50.2	52.5	55.0	58.0	61.1
10	53.0	53.0	55.0	57.0	60.0	62.0	65.0	68.0

Performance
Weight: 2.3kg
Backlash: Depends on ratio
Max Input Speed: 3000 Rpm
Lubrication: Greased for life - Shell Gadus S5 V42P 2.5.
Testing in your applications is necessary.
You will need to assess duty, cycles and confirm gearbox
suitability with your own calculations.
Torque figures are to be used for guidance only.

Downloads
DXF Drawings (Zip archived) : NT121 | NH121
STEP Drawings (Zip archived) : Not available for this model at the present time
PDF Documents : Catalogue Page | Full Range of NT & NH Gearboxes | General Gearbox Technical