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- 8V Belt Size
- 4 Number of Grooves
- 21 in Outside Diameter
- QD Bushing Type
- 1.5 in Minimum Bore Range
description
- Martin v-belt sheaves meet the toughest demands of industry.
features
- Martin produces a complete line of QD and taper-bushed sheaves, both stock and made-to-order
- Interchangeable with other manufacturers' sheaves and bushings
- Statically balanced, they are designed for rim speeds of up to 6,500 ft/min
- Sheave sizes range from 2.6" to 88" diameter
options
- Special ductile iron sheaves can be designed for rim speeds up to 10,000 ft/min
| Pitch Diameter | 21.2 in |
| Bushing Mount | Standard |
| Bushing Part Number | J |
| 8V Pitch Dia. | 21 in |
| No. of Grooves | 4 |
| Length Through Bore | 4.5 in |
| Bore Type | Bushed |
| K (in) | 1.4375 in |
| Belt Match | 1, 4 |
| M | 0.125 in |
| E (Knuckle Width) | 0.25 in |
| Inch/Metric | Inch |
| Bushing Type | QD |
| Bore Range [Max] | 3.75 in |
| Belt Size | 8V |
| Outside Dia. | 21 in |
| Type | Arm/Spoke |
| Bore Range [Min] | 1.5 in |
| Material | Cast Iron |
| Bushing Series | J |
| Overall Length | 4.88 in |
| Weight | 154.0 LB |
| EAN or UPC | 697950116006 |
