Martin 3V · D-23
8 3V 650 TB
Exact Stock Taper Bushed Hi-Cap wedge sheave identity and published geometry from Martin's official catalog.
Published catalog evidence
Exact manufacturer record
- Catalog number
- 8 3V 650 TB
- Belt section
- 3V
- Groove count
- 8
- Pitch diameter
- 6.5"
- Outside diameter
- 6.5"
- Taper bushing
- 2517
- Published row
- 8 3V 650 TB 6 .5 6 .5 A-1 2517 2 .5 .25 1 .75 1 .5313 13 .0 10 3V 650 TB A-1 2517 2 .5 .5 1 .75 .7188 14 .0
Verification boundary
What still needs to match
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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