Industrial replacement referenceSource-backed records · No compatibility guesswork

Martin 3V · D-21

2 3V 2500 TB

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

Section3VGrooves2Pitch diameter25"OD25"Taper bushing3020Official source ↗

Published catalog evidence

Exact manufacturer record

D-21
Catalog number
2 3V 2500 TB
Belt section
3V
Groove count
2
Pitch diameter
25"
Outside diameter
25"
Taper bushing
3020
Published row
– 25 25 – – – – – – – 2 3V 2500 TB C-3 3020 3 0 .125 2 0 .65625 45 .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