Martin 5V · D-6
2 5V 630 SK
Exact Stock QD Hi-Cap wedge sheave identity and geometry from Martin's official sheave catalog.
Published catalog evidence
Exact manufacturer record
- Catalog number
- 2 5V 630 SK
- Belt section
- 5V
- Number of grooves
- 2
- Pitch diameter
- 6.3"
- Outside diameter
- 6.3"
- QD bushing
- SK
- Catalog page
- D-6
- Published row text
- 2 5V 630 SK 6 .30 6 .30 C-1 SK 2 .625 0 .25 0 .4375 1 .875 – 8 .0 3 5V 630 SK A-1 SK 2 .625 0 .375 1 .0625 1 .875 0 .0625 11 .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 · 2 grooves2 5V 590 SDS5.9" PD · QD SDS5V · 2 grooves2 5V 670 SK6.7" PD · QD SK5V · 2 grooves2 5V 550 SDS5.5" PD · QD SDS5V · 2 grooves2 5V 710 SK7.1" PD · QD SK5V · 2 grooves2 5V 520 SDS5.2" PD · QD SDS5V · 2 grooves2 5V 750 SK7.5" PD · QD SK5V · 2 grooves2 5V 490 SDS4.9" PD · QD SDS5V · 2 grooves2 5V 465 SDS4.65" PD · QD SDS