Industrial replacement referenceSource-backed records · No compatibility guesswork

Martin 5V · D-6

2 5V 440 SH

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

Belt section5VGrooves2Pitch diameter4.4"Outside diameter4.4"QD bushingSHOfficial source ↗

Published catalog evidence

Exact manufacturer record

D-6
Catalog number
2 5V 440 SH
Belt section
5V
Number of grooves
2
Pitch diameter
4.4"
Outside diameter
4.4"
QD bushing
SH
Catalog page
D-6
Published row text
2 5V 440 SH 4 .40 4 .40 A-1 SH 1 .6875 0 .3125 0 .875 1 .25 0 .0625 4 .0 3 5V 440 SDS E-1 SDS 2 1 .625 – 1 .315 0 .625 5 .5

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