GROVE GEAR NH8210009.00 NH-B821-50-L Worm Reducer, 50:1 Ratio, 0.625 Inch I.D, 0.875 Inch O.D, Cast Iron
Get it by Tuesday, Sep 1
€1,007.20 /unit
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Product Specifications:
| Item | Reducer |
| Assembly | B-L |
| C | 6" |
| Center Distance | 2.06" |
| D | 2.31 |
| F | 1.88 |
| G | 0.94 |
| Gear Drive Reductions | Single |
| Gear Type | Worm |
| Gearbox Type | Worm |
| Gross Weight | 0 lbs. |
| Housing Material | Cast Iron |
| I | 3.61" |
| Input Bore Size | 5/8" |
| Input Dia. | 5/8" |
| Input Hp | 0.769 hp |
| Input Hp @ 1750 Rpm | 0.769 hp |
| Input Keyway Size | 3/16" x 1.38" |
| Input Speed | 1750 RPM |
| Input Style | Solid Shaft |
| Input Type | Solid Shaft |
| J | 3 1/4" |
| K | 1.63" |
| M | 1.76 |
| Material | Cast Iron |
| Max. Ohl (output Shaft) | 775 |
| Max. Thrust Load (output Shaft) | 1144 |
| Mounting Type | Base |
| N | 4.34 |
| No. Of Gear Reductions | 1 |
| O | 2.66" |
| Output | Left |
| Output Dia. | 7/8" |
| Output Hp | 0.539 hp |
| Output Key Size | 3/16" x 1.5" |
| Output Shaft | Solid Shaft |
| Output Shaft Assembly Code | L |
| Output Shaft Dia. | 7/8" |
| Output Shaft Direction | Left |
| Output Shaft Orientation | L |
| Output Shaft Thrust Rating | 1144 |
| Output Shaft Type | Left Handed Shaft |
| Output Speed | 35 RPM |
| Output Style | L |
| Output Torque | 970 lbs.-in. |
| Output Type | Solid Shaft |
| Overhung Load | 1385 lbs. |
| Overhung Load Rating | 775 lbs. |
| Paint/coating | Blue |
| Product Line | NH Series - Ironman Narrow Housing Worm Gear Reducers |
| Reducer | Worm - Right Angle |
| Reducer Style | Worm - Right Angle |
| Reducer Type | Single |
| Reduction | Single |
| Reduction Type | Single |
| Series | NH Series |
| Series Style | NH-B-L |
| Service Factor | 1 |
| Shaft Seal Material | Viton |
| Speed | 35 RPM |
| T | 0.875 |
| Tap Depth | 0.63" |
| Tap Size | 5/16"-18 |
| Thread Type | Coarse |
| U | 5/8" |
Shipping Info:
| Ship weight (kg) | 9.45 |
| Ship height (cm) | 26.67 |
| Ship length (cm) | 27.15 |
| Ship width (cm) | 23.01 |
Product Variants
| Product | Model | Output Hp | Input Dia. | Output Speed | Output Dia. | Output Torque | Max. Input Hp | Input Style | Paint/coating | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
NH8210543.20 | 0.896 hp | 5/8" | 58 RPM | 1 1/4" | 968 lbs.-in. | 1.129 hp | C Face Quill | Blue | €1,733.40 | |
![]() |
NH8210045.00 | 0.539 hp | 5/8" | 35 RPM | 7/8" | 970 lbs.-in. | 0.769 hp | Flexible Coupling Input | Blue | €1,174.54 | |
![]() |
NH8210069.00 | 0.539 hp | 5/8" | 35 RPM | 7/8" | 970 lbs.-in. | 0.769 hp | Flexible Coupling Input | Blue | €1,242.42 | |
![]() |
NH8210124.00 | 1.661 hp | 5/8" | - | 7/8" | - | 1.887 hp | C Face Quill | Blue | €1,174.54 | |
![]() |
NH8210172.00 | 1.661 hp | 7/8" | 116 RPM | 7/8" | 897 lbs.-in. | 1.887 hp | C Face Quill | Blue | €1,242.42 | |
![]() |
NH8210132.00 | 61/500 hp | 5/8" | 17 RPM | 7/8" | 439 lbs.-in. | 0.217 hp | C Face Quill | Blue | €1,174.54 | |
![]() |
NH8210140.00 | 0.674 hp | 5/8" | 43 RPM | 7/8" | 971 lbs.-in. | 0.916 hp | C Face Quill | Blue | €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 NH8210009.00 NH-B821-50-L Worm Reducer, 50:1 Ratio, 0.625 Inch I.D, 0.875 Inch O.D, Cast Iron
€1,007.20 /unit



