Industrial replacement referenceSource-backed records · No compatibility guesswork

Martin 5V · D-8

6 5V 5000 M

Exact Stock QD Hi-Cap wedge sheave identity and geometry from Martin's official sheave catalog.

Belt section5VGrooves6Pitch diameter50"Outside diameter50"QD bushingMOfficial source ↗

Published catalog evidence

Exact manufacturer record

D-8
Catalog number
6 5V 5000 M
Belt section
5V
Number of grooves
6
Pitch diameter
50"
Outside diameter
50"
QD bushing
M
Catalog page
D-8
Published row text
6 5V 5000 M 50 50 C-3 M 5 .5 0 .125 0 .5 6 .75 1 .375 388 .0 7 5V 5000 M C–3 M 5 .5 0 .875 0 .5 6 .75 0 .75 408 .0

Verification boundary

What still needs to match

Do not infer interchange
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

8