GROVE GEAR NH8210517.20 NH-HM821-20-H1-56-20 Worm Reducer, 20:1 Ratio, 0.625 Inch I.D, 1.25 Inch O.D, Cast Iron
Get it by Monday, Apr 20
€1,733.40 /unit
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Product Specifications:
| Item | Reducer |
| Assembly | HM-H1 |
| Bore Code | 20 |
| Center Distance | 2.06" |
| Frame | 56C |
| Gear Type | Worm |
| Gearbox Type | Worm |
| Housing Material | Cast Iron |
| Input Bore (c Face) | 5/8" |
| Input Bore Size | 5/8" |
| Input Dia. | 5/8" |
| Input Hp @ 1750 Rpm | 1 73/125 hp |
| Input Keyway Size | 0.1875" x1.38" |
| Input Keyway Size (c Face) | 3/16" x 3/32" |
| Input Rpm | 1750 RPM |
| Input Style | Flexible Coupling Input |
| Material | Cast Iron |
| Max Input Hp | 1 73/125 hp |
| Max. Input Hp | 1 73/125 hp |
| Mounting Type | Shaft Mount |
| No. Of Gear Reductions | 1 |
| Output Diameter | 1 1/4" |
| Output Hp | 1.338 hp |
| Output Key Size | 1/4" x 2.5" |
| Output Rpm | 87 RPM |
| Output Shaft | Hollow Bore |
| Output Shaft Assembly Code | H1 |
| Output Shaft Orientation | H1 |
| Output Shaft Thrust Rating | 1144 |
| Output Shaft Type | Hollow Shaft |
| Output Style | H1 |
| Output Torque | 964 lbs.-in. |
| Product Line | NH Series - Ironman Narrow Housing Worm Gear Reducers |
| Reducer | Worm - Right Angle |
| Reduction Type | Single |
| Series | NH Series |
| Series Style | NH-HM-H1 |
| Service Factor | 1 |
| Shaft Seal Material | Viton |
Shipping Info:
| Ship weight (kg) | 11.7 |
| Ship height (cm) | 26.67 |
| Ship length (cm) | 27.15 |
| Ship width (cm) | 23.01 |
Product Variants
| Product | Model | max. input hp | mounting type | output torque | gear ratio | center distance | input style | output rpm | output style | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
NH8210543.20 | 1.129 hp | Shaft Mount | 968 lbs.-in. | - | 2.06" | C Face Quill | 58 RPM | H1 | €1,733.40 | |
![]() |
NH8210045.00 | 0.769 hp | Base | 970 lbs.-in. | - | 2.06" | Flexible Coupling Input | 35 RPM | L | €1,174.54 | |
![]() |
NH8210069.00 | 0.769 hp | Base | 970 lbs.-in. | - | 2.06" | Flexible Coupling Input | 35 RPM | D | €1,242.42 | |
![]() |
NH8210124.00 | 1.887 hp | Base | - | 15:1 | 2.06" | C Face Quill | - | - | €1,174.54 | |
![]() |
NH8210172.00 | 1.887 hp | Base | 897 lbs.-in. | - | 2.06" | C Face Quill | 116 RPM | D | €1,242.42 | |
![]() |
NH8210132.00 | 0.217 hp | Base | 439 lbs.-in. | - | 2.06" | C Face Quill | 17 RPM | R | €1,174.54 | |
![]() |
NH8210140.00 | 0.916 hp | Base | 971 lbs.-in. | - | 2.06" | C Face Quill | 43 RPM | D | €1,242.42 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
GROVE GEAR NH8210517.20 NH-HM821-20-H1-56-20 Worm Reducer, 20:1 Ratio, 0.625 Inch I.D, 1.25 Inch O.D, Cast Iron
€1,733.40 /unit




