8 5V 2800 TB

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

Section5VGrooves8Pitch diameter28"OD28"Taper bushing4545Official source ↗

Published catalog evidence

Exact manufacturer record

D-26

Catalog number: 8 5V 2800 TB
Belt section: 5V
Groove count: 8
Pitch diameter: 28"
Outside diameter: 28"
Taper bushing: 4545
Published row: 6 5V 2800 TB 28 28 A–3 4040 4 – 4 .4375 176 .0 8 5V 2800 TB A–3 4545 4 .5 .25 4 .5 1 .0625 206 .0

Verification boundary

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.

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