| Key | Value | 
|---|---|
| Assembly | BM-L | 
| Center Distance | 2.1 In. | 
| Center distance (in) | 2.06 | 
| Center Distance Range | 1" thru 3.25" | 
| Gear Drive Reductions | Single | 
| Gear Type | Worm | 
| Height (in) | 10.50 | 
| Housing material | Cast iron | 
| HP Range | 2HP ( | 
| Input Bore (C Face) | 0.625 | 
| Input Diameter (in) | 0.625 | 
| Input Flange | 56C | 
| Input HP | 2.793 | 
| Input HP @ 1750 RPM | 2.793 | 
| Input RPM | 1750 | 
| Input Style | Flexible Coupling Input, 3-Piece Coupled | 
| Keyway | 3/16 X 3/32 | 
| Length (in) | 10.69 | 
| Max OHL (Output Shaft) | 1035 | 
| Max Thrust Load (Output Shaft) | 811 | 
| Model Code | BM821 | 
| Motor Frame Size | 56 | 
| Mounting Style | Base | 
| No. of Gear Reductions | Single | 
| Output | Left | 
| Output Diameter (in) | 1.000 | 
| Output HP | 2.562 | 
| Output Key | 1/4 X 1.44 | 
| Output RPM | 233 | 
| Output Shaft Assembly Code | L | 
| Output Shaft Direction | Left | 
| Output Shaft Orientation | L | 
| Output Style | L | 
| Output Torque | 692 | 
| Output Torque Range | 500 to 1000 in lbs | 
| Output type | Solid Shaft | 
| Overhung Load | 1035 | 
| Paint/Coating | Blue | 
| Product Line | GRG Series - Ironman Worm Gear Reducers | 
| Product Type | Right Angle | 
| Ratio | 7.5 to 1 | 
| Ratio Range | 7.5-1 | 
| Reducer | Worm - Right Angle | 
| Reducer Style | Worm - Right Angle | 
| Reducer Type | Single | 
| Series | GRG Series - Ironman Worm Gear Reducers | 
| Series Code | GRG | 
| Series Style | GRG-BM-L | 
| Series Type | Cast Iron 800 Worm Gear Reducers | 
| Service Factor | 1 | 
| Shaft Seal Material | Viton | 
| Size | 56C | 
| Width (in) | 9.06 |