Grove Gear GR Series - Ironman Worm Gear Reducers Cast Iron Single-Reduction Worm Reducer - GRG-BM821-20-R-56
Part #:GRG8210053.00
Catalog #:GRG-BM821-20-R-56
KEY FEATURES
- One-piece cast iron housings with single output cover design, CNC machined for precise component fit and alignment.
- Factory-filled with premium Mobil Glygoyle 460 polyalkalene glycol lubricant.
- Large oil capacity provides positive splash lubrication and superior cooling capability.
- Viton® double lip seals provide extended life through increased resistance to high temperature, abrasion and chemicals.
- The unique quill seal guard protects the input seal from damage during motor installation.
- Bronze worm gear chill cast from high quality bronze for maximum strength, lubricity and superior life.
- Oversized high-speed bearings, positively retained for frequent reversing and start/stop cycles.Tapered roller bearings on output shaft for high overhung and thrust load capacities.
- All units are 100% run and leak tested at the factory to insure that you receive the highest quality product.
- Ultimate application flexibility with all-angle mounting provisions, the widest selection of accessory bases and flanges and the largest selection of stock reducer styles.
- Mounting dimensions are interchangeable with most industry standard reducers.
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Product Specifications
Dimensions
| B: | 5.8 | O: | 2.29 in |
| K: | 2.5 in | C: | 6.38 in |
| LM: | 7.07 | AK: | 4.5 |
| RQ: | 4.06 in | BD: | 6.5 |
| G: | 1.44 | J: | 4.75 in |
| LQ: | 4.46 in | L: | 4.82 in |
| I: | 3.61 in | N: | 4.68 |
| M: | 1.76 | T: | 1 |
| Center Distance (in): | 2.06 in | O*: | 2.08 in |
| BE: | 0.38 in | AJ: | 5.88 |
| D: | 2.28 | F: | 3 |
| BF: | 0.41 | U: | 0.625 in |
| A: | 3.81 | H-Tap size: | 5/16-18 UNC in |
| TAP Depth: | 0.63 in |
Technical Specifications
| Overhung Load: | 1,175 | Series Type: | Cast Iron 800 Worm Gear Reducers |
| Output Style: | R | Input HP: | 1.584 |
| Keyway: | 3/16 X 3/32 | Mounting Style: | No Base |
| Frame Size: | 56C | Series Style: | GRG-BM-R |
| Output Shaft Orientation: | R | Reducer Style: | Worm - Right Angle |
| Series Code: | GRG | Output Key: | 1/4 X 1.44 |
| Output RPM: | 87 | Output Shaft Assembly Code: | R |
| Input RPM: | 1,750 | No. of Gear Reductions: | Single |
| Input Style: | Flexible Coupling Input | Output HP: | 1.338 |
| Model Code: | BM821 | Reducer: | Worm - Right Angle |
| Product Type: | Right Angle | Output Diameter (in): | 1.000 in |
| Motor Frame Size: | 56 | Series: | GRG Series - Ironman Worm Gear Reducers |
| Input Keyway (C Face): | 3/16 x 3/32 | Service Factor: | 1 |
| Input Bore (C Face): | 0.625 | Shaft Seal Material: | Viton |
| Input Keyway: | 3/16 X 1.38 in | Input Diameter (in): | 0.625 in |
| Motor HP Rating: | 1.5 | Thrust Rating - output shaft: | 1144 |
| Ratio Range: | 20:1 | Gear Type: | Worm |
| Assembly: | BM-R | Ratio: | 20:1 |
| Input HP @ 1750 RPM: | 1.584 | Input Quill Diameter (in): | 0.625 in |
| Product Line: | GRG Series - Ironman Worm Gear Reducers | Center Distance (in): | 2.06 |
| Reduction: | Single | Output Shaft Direction: | Right |
| Overhung Load Rating (Output Shaft(lb)): | 1,175 lb | Output Torque Rating (in-lb): | 964 in/lbs |
| Output Shaft: | Solid Shaft | Housing Material: | Cast Iron |
General Specifications
| UPC: | 690310036334 | Weight: | 30.00 LB |
| Packaged Length: | 10.69 IN | Packaged Width: | 9.06 IN |
| Packaged Height: | 10.50 IN |