MARTIN SPROCKET SK Series QD Bushings
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| Style | Model | Material | Bore Dia. | Type | Bore Size | Key Way Size | Flange Thickness | Hub Dia. | Bolt Circle Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | SK 2 1/16 | Cast Iron | 2 1/16" | Standard | 2 1/16" | 1/2" x 1/4" | 9/16" | 4 3/4" | 3.312" | €69.65 | |
| B | SK 55MM | Ductile Iron | - | - | 55 mm | 16" x 4.3" | - | - | - | €69.65 | |
| C | SK 2 1/4 | Ductile Iron | 2 1/4" | Standard | 2 1/4" | 1/2" x 1/8" | 0.563" | 4 3/4" | 3.312" | €69.65 | |
| D | SK 2 1/2 | Ductile Iron | 2 1/2" | Standard | 2 1/2" | 5/8" x 1/16" | 0.563" | 4 3/4" | 3.312" | €69.65 | |
| A | SK 2 5/16 | Ductile Iron | 2 5/16" | Standard | 2 5/16" | 5/8" x 1/16" | 9/16" | 4 3/4" | 3.312" | €69.65 | |
| E | SK 2 5/8 | Ductile Iron | 2 5/8" | Standard | 2 5/8" | No Keyway | 0.563" | 4 3/4" | 3.312" | €69.65 | |
| F | SK 2 3/16 | Ductile Iron | 2 3/16" | Standard | 2 3/16" | 1/2" x 1/8" | 0.563" | 4 3/4" | 3.312" | €69.65 | |
| A | SK 2 9/16 | Ductile Iron | 2 9/16" | Standard | 2 9/16" | No Keyway | 9/16" | 4 3/4" | 3.312" | €69.65 | |
| G | SK 2 1/8 | Ductile Iron | 2 1/8" | Standard | 2 1/8" | 1/2" x 1/4" | 0.563" | 4 3/4" | 3.312" | €69.65 | |
| H | SK 2 3/8 | Ductile Iron | 2 3/8" | Standard | 2 3/8" | 5/8" x 1/16" | 0.563" | 4 3/4" | 3.312" | €69.65 | |
| I | SK 2 7/16 | Ductile Iron | 2 7/16" | Standard | 2 7/16" | 5/8" x 1/16" | 0.563" | 4 3/4" | 3.312" | €69.65 | |
| J | SK 1/2 | Steel | 1/2" | Standard | 1/2" | 1/8" x 1/16" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| K | SK 1 1/8 | Steel | 1 1/8" | Standard | 1 1/8" | 1/4" x 1/8" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| L | SK 1 9/16 | Steel | 1 9/16" | Standard | 1 9/16" | 3/8" x 3/16" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| A | SK 35MM | Steel | 35 mm | - | 35 mm | 10 mm x 3.3 mm | 9/16" | 4 1/2" | 3.312" | €69.65 | |
| M | SK 9/16 | Steel | - | - | 9/16" | 1/8" x 1/16" | - | - | - | €69.65 | |
| N | SK 1 | Steel | 1" | Standard | 1" | 1/4" x 1/8" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| O | SK 1 7/16 | Steel | 1 7/16" | Standard | 1 7/16" | 3/8" x 3/16" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| P | SK 1 7/8 | Steel | 1 7/8" | Standard | 1 7/8" | 1/2" x 1/4" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| Q | SK 28MM | Steel | 28 mm | - | 28 mm | 3.3 mm x 10 mm | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| R | SK 1 3/4 | Steel | 1 3/4" | Standard | 1 3/4" | 3/8" x 3/16" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| S | SK 3/4 | Steel | 3/4" | Standard | 3/4" | 3/16" x 3/32" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| T | SK 1 3/16 | Steel | 1 3/16" | Standard | 1 3/16" | 1/8" x 1/4" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| U | SK 1 5/8 | Steel | 1 5/8" | Standard | 1 5/8" | 3/8" x 3/16" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| V | SK 11/16 | Steel | 0.688" | Standard SK | 11/16" | 3/16" x 3/32" | 0.563" | - | 3.312" | €69.65 | |
| W | SK 1 1/4 | Steel | 1 1/4" | Standard | 1 1/4" | 1/4" x 1/8" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| A | SK 25MM | Steel | - | - | 25 mm | 8" x 3.3" | - | - | - | €69.65 | |
| X | SK 2 | Steel | 2" | Standard | 2" | 1/2" x 1/4" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| Y | SK 7/8 | Steel | 7/8" | Standard | 7/8" | 3/16" x 3/32" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| V | SK 1 5/16 | Steel | 1.313" | Standard SK | 1 5/16" | 5/16" x 5/32" | 0.563" | - | 3.312" | €69.65 | |
| Z | SK 5/8 | Steel | 5/8" | Standard | 5/8" | 3/16" x 3/32" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| A1 | SK 50MM | Steel | - | - | 50 mm | 14" x 3 4/5" | - | - | - | €69.65 | |
| A | SK 30MM | Steel | - | - | 30 mm | 8" x 3.3" | - | - | - | €69.65 | |
| B1 | SK 40MM | Steel | - | - | 40 mm | 12" x 3.3" | - | - | - | €69.65 | |
| C1 | SK 24MM | Steel | 24 mm | - | 24 mm | 3.3 mm x 8 mm | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| D1 | SK 32MM | Steel | - | - | 32 mm | 10" x 3.3" | - | - | - | €69.65 | |
| E1 | SK 42MM | Steel | - | - | 42 mm | 12" x 3.3" | - | - | - | €69.65 | |
| F1 | SK 1 1/16 | Steel | 1 1/16" | Standard | 1 1/16" | 1/8" x 1/4" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| G1 | SK 1 13/16 | Steel | 1 13/16" | Standard | 1 13/16" | 1/2" x 1/4" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| H1 | SK 1 1/2 | Steel | 1 1/2" | Standard | 1 1/2" | 3/8" x 3/16" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| I1 | SK 1 15/16 | Steel | 1 15/16" | Standard | 1 15/16" | 1/2" x 1/4" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| J1 | SK 1 3/8 | Steel | 1 3/8" | Standard | 1 3/8" | 5/16" x 5/32" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| K1 | SK 38MM | Steel | - | - | 38 mm | 10" x 3.3" | - | - | - | €69.65 | RFQ
|
| L1 | SK 48MM | Steel | - | - | 48 mm | 14" x 3 4/5" | - | - | - | €69.65 | |
| M1 | SK 13/16 | Steel | 0.813" | Standard SK | 13/16" | 3/16" x 3/32" | 0.563" | - | 3.312" | €69.65 | |
| N1 | SK 1 11/16 | Steel | 1 11/16" | Standard | 1 11/16" | 3/8" x 3/16" | 0.563" | 4 1/2" | 3.312" | €69.65 | |
| O1 | SK 15/16 | Steel | 15/16" | Standard | 15/16" | 1/4" x 1/8" | 0.563" | 4 1/2" | 3.312" | €69.65 |
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