# 12SC78 12SC78 SF FLANGE

**Manufacturer:** TB Woods  
**MPN:** `12SC78`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | TB Woods |
| Manufacturer name | TB Woods |
| Manufacturer | TB Woods |
| CategoryL1 | Shaft Couplings and Collars |
| CategoryL2 | Gear Couplings |
| CategoryL3 | Complete Units |
| Extra Product Name | 12SC78 12SC78 SF FLANGE |
| moq | 1 |
| MPN | 12SC78 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 336875 |
| snippet | 12SC78 12SC78 SF FLANGE |
| tierMinQty1 | 1 |
| tierPrice1 | 247.80 |
| Distance betewwn shaft (in) | 7 3/4 |
| Max compatible bore size | 3.9375 |
| Max speed | 2800 |
| Max angular gap misalignment | 0.175 (in) with EPDM/Neoprene Sleeves and 0.042 (in) with Hytrel Sleeves |
| Dimension (in) (D) | 10 |
| Dimension (in) (H) | 5 3/4 |
| Material type | High strength cast iron |
| Horsepower Rating at 100 RPM | 66 |
| Min compatible bore size | 0.875 |
| Power rating at 100 RPM | 11 kW with EPDM or Neoprene sleeve, 37 kW with Hytrel sleeve |
| Max parallel misalignment | 16 |
| Dimension (in) (L) | 2 27/32 |
| Component WR2 (lbs ft2) | 1.8300 |
| Component WR? | 1.83 |
| Screw type | Flange, Spacer |
| Max RPM | 2800 |
| Torque rate | 9,360 (in-lbs) with EPDM or Neoprene sleeve; 31,500 (in-lbs) with Hytrel sleeve |
| Outside diameter | 10 |
| SF hub length | 22 |
| SF hub diameter | 5.75 |
| Distance between shaft | 7.75 |
| Max angular misalignment | 1? with EPDM/neoprene sleeves and 1/4? with hytrel sleeves |
| Dimension (in ) (E) | 1 1/32 |
| Length through bore | 2.84375 |
| Coupling size | 12 |
| Torque | 9,360 in-lb with EPDM or Neoprene sleeve, 31,500 in-lb with Hytrel sleeve |
| Length | 72 |
| Spacer hub required | 12SCH x Bore Spacer Hub |
| Dimension (in) (T) | 1-11/16 |
| Flange diameter | 10 |
| SF flange length | 1.6875 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| MRO Supply | 336875 | 247.8 | 1 | None | 1 |
| Applied Industrial | 100814848 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/261000000/261143500/part_--12SC78---TBWoods--763aed7ccf.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp