MS Graessner  – Standard Bevel Gearboxes

Hypoid Bevel Gears
Hypoid bevel gears have a greater pinion diameter, longer life and gentler tooth meshing. The drive pinion is axially offset above or below.

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Spiral Bevel gear

Spiral Bevel Gears
Spiral Bevel Gears come with circular arc gear teeth which are more resistant to bending than straight and oblique gear teeth.

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Advantages of Spiral, Hypoid and Zerol® Bevel Gears

  • High level of coverage due to the fact that several teeth are meshed simultaneously
  • Resistant to elastic deformation of gears, shafts and bearings
  • Circular arc gear teeth are more resistant to bending than straight and oblique gear teeth
  • Very gentle transmission even at high-speed operation and under heavy load.
  • Noise and oscillation damped even at high peripheral speeds
  • Gear sets can be assembled in your preferred direction of rotation
  • > 97% efficiency depending upon layout and lubrication
  • Due to convex tooth-loading the load is not concentrated on the tooth-ends
  • All gear sets can be lapped in pairs upon request
 Bevel gear Catalogue
Standard Type
i = 1:1 , 5:1:1, 2:1
Nominal Torque (Nm) Reinforced Type
i = 1:1
Backlash (arcmin)
S90 45 3000 15
S110 78 2800 14
S140 150 2500 13
S170 360 2000 12

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