Industrial replacement referenceSource-backed records · No compatibility guesswork

Martin 8V · D-11

12 8V 2000 N

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

Belt section8VGrooves12Pitch diameter20"Outside diameter20"QD bushingNOfficial source ↗

Published catalog evidence

Exact manufacturer record

D-11
Catalog number
12 8V 2000 N
Belt section
8V
Number of grooves
12
Pitch diameter
20"
Outside diameter
20"
QD bushing
N
Catalog page
D-11
Published row text
10 8V 2000 M 20 20 A-2 M 5 .5 2 .5 3 .9375 6 .75 2 .375 280 .0 12 8V 2000 N A-2 N 6 0 .5 2 .25 8 .125 5 .25 365 .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