Industrial replacement referenceSource-backed records · No compatibility guesswork

Martin 5V · D-8

6 5V 670 SF

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

Belt section5VGrooves6Pitch diameter6.7"Outside diameter6.7"QD bushingSFOfficial source ↗

Published catalog evidence

Exact manufacturer record

D-8
Catalog number
6 5V 670 SF
Belt section
5V
Number of grooves
6
Pitch diameter
6.7"
Outside diameter
6.7"
QD bushing
SF
Catalog page
D-8
Published row text
6 5V 670 SF 6 .70 6 .70 A-1 SF 2 .9375 0 .9375 1 .625 2 1 .4375 14 .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