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PRODUCT · Rotary Transmission

Spiral Bevel Gears

Bevel gear, module 0.5–6. Curved (spiral) bevel gear · helix 35° · 20° pressure angle. Supplied in pairs — specify hand of spiral (R right / L left).

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Spiral bevel gear construction and designation diagram
Marking: 1M-20-12-L (Module · Teeth · Bore · Direction)

Specifications · Selector

Spiral bevel gear online selector

All 20 standard sizes from the catalogue PDF (paired, hand-specified). Filter by module, ratio, teeth or hand — or search by code. All dimensions in mm.

Material 40Cr · Spiral bevel, 35° spiral angle · Hardness 45–55 HRC · Supplied in pairs, specify hand (R / L) · 20° pressure angle · Model code: moduleM-teeth (ratio = gear ratio)
Spiral bevel gear construction and designation diagram
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Click a column header to sort. Supplied in pairs; specify hand (R/L). Source: Wolfer spiral bevel gear catalogue. Download PDF catalogue ↗

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