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- 5 5/32" Center Distance
- 20:1 Ratio
- Shaft Input
- Single, Solid Shaft, Left Output, 1 3/4"
- Output Relation to Base Horizontal
description
- Worm gear drives' recess action gear design provides for more efficient operation and greater durability
features
- Tapered roller bearings on high speed shaft on models 321 and larger
- 131 through 261 are ball bearings
- Tapered roller bearings on the low speed shaft (except 131 is a ball bearing)
- Adjustable base kit features elongated slots for mounting bolts and adjusting screws for ease of positioning
- Universal base kits feature interchangeability
- Side mounting kits for side wall and ceiling mounting
- NEMA "C" Flange Adapter kits for direct mounting to electric motor
| Bearing Type | Tapered |
| Reduction Type | Single Reduction |
| Output Relation to Base | Horizontal |
| Fan Cooled | No |
| Output Shaft Position | Left |
| Base to Centerline of Output Shaft | 5 3/8 in |
| Motor Application | General Purpose |
| Base Description | None |
| Box Width | 6 11/16 in |
| Frame Size | Shaft Input, Not a C-Face |
| Worm Position | Universal |
| Ratio | 20:1 |
| Base to Centerline of Input Shaft | 10 35/64 in |
| Input Configuration | Shaft Input |
| Output Configuration | Single, Solid Shaft |
| Housing Material | Cast Iron |
| Input HP @ RPM | 11.5 hp @ 1150 rpm, 15 hp @ 1750 rpm |
| Torque Out @ 1750 rpm | 8927 in lb |
| Thermal Output Torque @ RPM | 4476 in lb @ 1750 rpm, 5857 in lb @ 1150 rpm |
| Base | No |
| Output Torque @ RPM | 8927 in lb @ 1750 rpm, 10630 in lb @ 1150 rpm |
| Input Shaft Position | Facing You |
| Center Distance | 5 5/32 in |
| Bolt Center | 9 1/2 in x 3 3/4 in |
| Base Position | None |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Bolt Center Length x Bolt Center Width | 9 1/2 in x 3 3/4 in |
| Lubrication | None |
| Input Relation to Base | Horizontal |
| Washdown Duty | No |
| Thermal Input Horsepower @ 1750 RPM | 7.52 hp |
| Box Length | 11 3/8 in |
| Output Relation to Input(with I/P Facing you, worm top) | Left |
| Input (Shaft or Bore) Size | 1 1/4 in |
| Output (Shaft or Bore) Size | 1 3/4 in |
| Family Name | 521 |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Torque Out @ 1150 rpm | 10630 in lb |
| Max. Overhung Load @ 1750 rpm | 2600 lbf |
| Frame | N/A |
| Box Height | 13.167 in |
| Thermal Input Horsepower @ RPM | 6.34 hp @ 1150 rpm, 7.52 hp @ 1750 rpm |
| Max. Overhung Load @ RPM | 2600 lbf @ 1750 rpm |
| HP @ RPM | 5 hp @ 1200 rpm, 7.5 hp @ 1800 rpm |
| Weight | 128.0 LB |
| EAN or UPC | 662798055930 |
