Industrial replacement referenceSource-backed records · No compatibility guesswork

Martin 5V · D-25

4 5V 2800 TB

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

Section5VGrooves4Pitch diameter28"OD28"Taper bushing3535Official source ↗

Published catalog evidence

Exact manufacturer record

D-25
Catalog number
4 5V 2800 TB
Belt section
5V
Groove count
4
Pitch diameter
28"
Outside diameter
28"
Taper bushing
3535
Published row
4 5V 2800 TB 28 28 B–3 3535 3 .5 – 3 .5 .4375 125 .0 5 5V 2800 TB B–3 4040 4 – 4 .25 160 .0

Verification boundary

What still needs to match

Do not infer interchange
Belt and groovesConfirm exact belt section, groove count, and matched-set requirements.
Bushing and shaftVerify taper-bushing number, finished bore, shaft, keyway, and installation.
GeometryCheck pitch diameter, OD, sheave width, alignment, guard clearance, and center distance.
Drive dutyConfirm RPM, horsepower, service factor, balance, environment, and current manufacturer limits.

Related catalog sheaves

Same section and groove count

8