GROVE GEAR GRG8210517.16 GRG-HM821-20-H1-56-16 Right Angle Gear Reducer, 20 to 1 Reduction Ratio, 87 RPM Output, 964 lb-in Torque, Cast Iron
Get it by Tuesday, Sep 1
€1,752.24 /unit
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Product Specifications:
| Item | Reducer |
| Aa | 7.24 |
| Ab | 5.43 |
| Ae1 | 0.61 |
| Ae2 | 0.4 |
| Aj | 5.88 |
| Application | General Purpose |
| Assembly | HM-H1 |
| B | 5.8 |
| Be | 0.38" |
| Bf | 0.41 |
| C | 6.38" |
| Center Distance | 2.06" |
| Centre Distance | 2.06" |
| D | 2.28 |
| Dimensions | 6" |
| Frame | 56 |
| Frame Size | 56C |
| G | 1.44 |
| Gear Drive Reductions | Single |
| Gear Ratio | 20:1 |
| Gear Type | Worm |
| Gearbox Type | Worm |
| Gross Weight | 0 lbs. |
| I | 3.61" |
| Input Bore (c Face) | 0.625 |
| Input Bore Size | 5/8" |
| Input Dia. | 5/8" |
| Input Flange | 56C |
| Input Keyway Size | 3/16" x 3/32" |
| Input Size | 5/8" |
| Input Style | C Face Coupled |
| J | 4 3/4" |
| Lm | 7.07 |
| Lubrication | PAG Synthetic Oil |
| Lubrication Type | Pag Synthetic Oil |
| Material | Cast Iron |
| Max. Ohl (output Shaft) | 1175 |
| Max. Thrust Load (output Shaft) | 1144 |
| Mounting Type | Shaft |
| No. Of Gear Reductions | Single |
| Output | Hollow |
| Output Dia. | 1" |
| Output Hollow Shaft Dia. | 1" |
| Output Hp | 1.338 hp |
| Output Keyway Size | 1/4" x 2 1/2" |
| Output Shaft | Hollow Bore |
| Output Shaft Direction | H1 |
| Output Shaft Orientation | H1 |
| Output Shaft Thrust Rating | 1144 |
| Output Shaft Type | Hollow Shaft |
| Output Style | H1 |
| Output Type | Hollow Bore |
| Paint/coating | Blue |
| Product Datasheet | grove-gear-gr8130084-00.pdf |
| Product Line | GR Series - Ironman Worm Gear Reducers |
| Product Series | GRG Series |
| R | 3/4" |
| Reducer | Worm - Right Angle |
| Reducer Style | Worm - Right Angle |
| Reducer Type | Single |
| Reduction | Single |
| Series Style | GRG-HM-H1 |
| Series Type | Cast Iron 800 Worm Gear Reducers |
| Shaft Seal Material | Viton |
| Speed | 87 RPM |
| Torque | 964 lbs.-in. |
| Torque (lb-in)@1750rpm | 964 |
| Type | Right Angle Single Reduction |
| U | 5/8" |
| V | 1.94" |
| Width | 6" |
Shipping Info:
| Ship weight (kg) | 13.95 |
| Ship height (cm) | 26.67 |
| Ship length (cm) | 27.15 |
| Ship width (cm) | 23.01 |
Documentation:
Product Variants
| Product | Model | Output Dia. | Input Dia. | Output Hp | Output Speed | Max. Input Hp | Output Torque | Output | Paint/coating | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
GRG8215654.00 | - | - | - | - | - | - | Right | Blue | €1,501.47 | |
![]() |
GRG8210125.00 | 1" | 5/8" | 1.338 hp | 87.5 RPM | - | - | Right | Blue | €1,050.98 | |
![]() |
GRG8210118.00 | 1" | 5/8" | 0.435 hp | 29.2 RPM | 0.674 hp | - | Left | Blue | €930.17 | |
![]() |
GRG8210113.00 | 1" | 5/8" | 1.338 hp | - | - | - | Left | Blue | €1,050.98 | |
![]() |
GRG8210175.00 | - | 7/8" | 0.896 hp | 58.3 RPM | 1 129/1000 hp | - | - | Blue | €1,341.81 | |
![]() |
GRG8210117.00 | 1" | 5/8" | 0.539 hp | 35 RPM | 0.769 hp | - | Left | Blue | €930.17 | |
![]() |
GRG8210115.00 | 1" | 5/8" | 0.896 hp | - | 1.129 hp | - | Left | Blue | €930.17 |
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GROVE GEAR GRG8210517.16 GRG-HM821-20-H1-56-16 Right Angle Gear Reducer, 20 to 1 Reduction Ratio, 87 RPM Output, 964 lb-in Torque, Cast Iron
€1,752.24 /unit



