Martin 3V · D-22
4 3V 412 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
- 4 3V 412 TB
- Belt section
- 3V
- Groove count
- 4
- Pitch diameter
- 4.12"
- Outside diameter
- 4.07"
- Taper bushing
- 1610
- Published row
- 3 3V 412 TB 4 .12 4 .07 A-1 1610 1 .625 .5 1 – 3 .0 4 3V 412 TB A-1 1610 1 .625 .9063 1 – 3 .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.
Related catalog sheaves
Same section and groove count
3V · 4 grooves4 3V 450 TB4.5" PD · bushing 16103V · 4 grooves4 3V 365 TB3.65" PD · bushing 16103V · 4 grooves4 3V 475 TB4.75" PD · bushing 16103V · 4 grooves4 3V 335 TB3.35" PD · bushing 16103V · 4 grooves4 3V 500 TB5" PD · bushing 16103V · 4 grooves4 3V 315 TB3.15" PD · bushing 12103V · 4 grooves4 3V 300 TB3" PD · bushing 12103V · 4 grooves4 3V 530 TB5.3" PD · bushing 1610