Martin 5V · D-9
8 5V 1250 F
Exact Stock QD Hi-Cap wedge sheave identity and geometry from Martin's official sheave catalog.
Published catalog evidence
Exact manufacturer record
- Catalog number
- 8 5V 1250 F
- Belt section
- 5V
- Number of grooves
- 8
- Pitch diameter
- 12.5"
- Outside diameter
- 12.5"
- QD bushing
- F
- Catalog page
- D-9
- Published row text
- 8 5V 1250 F 12 .5 12 .5 A-3 F 3 .9375 1 .5625 2 .5625 3 .625 0 .625 66 .0 9 5V 1250 F A-3 F 3 .9375 1 .625 2 .5625 3 .625 1 .25 61 .0
Verification boundary
What still needs to match
Belt and groovesConfirm the exact 3V, 5V, or 8V belt section, groove count, belt construction, and matched-set requirements.
Bushing and shaftVerify the QD bushing size, finished bore, shaft diameter, key/keyway, bushing orientation, and installation torque.
GeometryConfirm pitch diameter, outside diameter, sheave width, hub projection, guard clearance, and center-distance constraints.
Drive dutyCheck motor speed, sheave RPM, horsepower, service factor, belt speed, alignment, balance, environmental limits, and current manufacturer ratings.
Related catalog sheaves
Same section and groove count
5V · 8 grooves8 5V 1180 F11.8" PD · QD F5V · 8 grooves8 5V 1320 F13.2" PD · QD F5V · 8 grooves8 5V 1130 F11.3" PD · QD F5V · 8 grooves8 5V 1400 F14" PD · QD F5V · 8 grooves8 5V 1090 F10.9" PD · QD F5V · 8 grooves8 5V 1030 F10.3" PD · QD F5V · 8 grooves8 5V 1500 F15" PD · QD F5V · 8 grooves8 5V 975 F9.75" PD · QD F