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Nord SK 1SI50 – 140TC – 90LH/4
Request QuotePower: 2.0 hp
Output Speed: 116 – 349 rpm
Output Torque: 328 – 871 lb-in
Weight: 40 lb
The FLEXBLOC™ (SI Series) is a compact universal worm gear housing offering exceptional modularity and adaptability to any mounting position. Accessory kits
that are easily assembled by NORD or the customer help to provide maximum flexibility and various mounting possibilities.
CATALOG & MANUALS
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| Catalog | Nord Flexbloc Catalog |
| Users Manual | Nord Flexbloc Users Manual |
| Dimensions | Nord Flexbloc Dimensions |
| Order Form | Nord Flexbloc Order Form |
Gearbox Selection
Below are some guideline steps to help aid in
the gear unit selection.
1. Determine the speed and/or gear ratio (see order form)
2. Determine the required power or torque (see order form)
3. Determine Service Factor
4. Select the basic gearbox type and input
5. Determine the required mounting position
6. Select options
7. Checks – overhung load, thrust load, NEMA motor weight, thermal considerations, and other application considerations
Size Offering
| Gearbox Unit | SK 1SIxx / SK 1SMIxx ( xx =mm, center distance ) | ||||||
|---|---|---|---|---|---|---|---|
| Center Distance | 31 mm | 40 mm | 50 mm | 63 mm | 75 mm | ||
| 1.2 inch | 1.6 inch | 2.0 inch | 2.5 inch | 3.0 inch | |||
Mounting Positions
Gearbox Options
| SK 1SI__ | FLEXBLOC™ worm (Universal foot and flange-mount housing) |
| - | Keyed hollow-bore (standard) |
| V | Plug-in solid shaft (single-side) |
| L | Plug-in solid shaft (both sides) |
| F | Flange-kit (B5), keyed-hollow bore |
| VF | Flange-kit (B5), long plug-in shaft (single-side) |
| Flange Kit Options F or VF Units |
Circular flange-kit (B5), male pilot [I] Square flange-kit (B5), female pilot [II] Square flange-kit (B5), male pilot [III] Circular flange-kit (B5), male pilot [IV] |
| D | Torque-arm (for shaft mounting gear unit) |
| H | Shaft cover |
| X | Foot-plate kit |
| J | Bushing kit (to reduce standard inch hollow-bores) |
| B* | Fixing Kit |
| N48C | NEMA 48C Motor Adapter |
| N56C | NEMA 56C Motor Adapter |
| N140TC | NEMA 140TC Motor Adapter |
| N180TC | NEMA 180TC Motor Adapter |
| IEC56 | IEC56 Motor Adapter |
| IEC63 | IEC63 Motor Adapter |
| IEC71 | IEC71 Motor Adapter |
| IEC80 | IEC80 Motor Adapter |
| IEC90 | Special Solid Shaft |
| IEC100 | IEC100 Motor Adapter |
| IEC112 | IEC112 Motor Adapter |
| W | Solid Input Shaft Adapter |
| SK 1SI__/H10 | 10:1 helical input |
| SK 1SI__/31 | Compound-worm (Double-worm adapter kit) |
| SK 1SI__/40 | Compound-worm (Double-worm adapter kit) |
| Vent | Reducer breather kit (optional) |
| Paint | Paint options (upon request) |
| NSD-Tuph | Sealed surface conversion |
| Long Term Storage | Long term storage preperation |