Industrial replacement referenceSource-backed records · No compatibility guesswork

Martin 3V · D-3

1 3V 235 JA

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

Belt section3VGrooves1Pitch diameter2.35"Outside diameter2.35"QD bushingJAOfficial source ↗

Published catalog evidence

Exact manufacturer record

D-3
Catalog number
1 3V 235 JA
Belt section
3V
Number of grooves
1
Pitch diameter
2.35"
Outside diameter
2.35"
QD bushing
JA
Catalog page
D-3
Published row text
1 3V 235 JA 2 .35 2 .35 E-1 JA 1 .25 0 .5625 0 .4375 1 0 .9375 0 .8 2 3V 235 JA E-1 JA 1 .25 0 .9688 0 .4375 1 0 .9375 1 .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