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GTB 500 is top selling of our single flank isnpection machines for bevel gears up to 500mm in diameter. Not only bevel gear pairs can this machine measure, but also spur/helical gears with our special contructed rotary axis. Please check out more by reading the machine presentation.

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Technical Specification

Diameter, max. 500 mm
Diameter of bore for gear 90 mm
Diameter of bore for pinion 90 mm
Mounting distance of gear, max. 350 mm
Mounting distance of pinion, max. 450 mm
Hypoid offset ± 50 mm
Angle between axis 0 – 180 rad.
Revolutions, max. 100 Rev./min.
Revolutions during measuring, max. 30 Rev./min.
Brake torque, max. 15 (60) Nm
Weight of gear, max. 30 kg
Total weight 1400 kg
Dimesion 1200x1200x1500 mm
Accuracy DIN 3965 / class 1

Key Features

  • DIN Quality

  • Defined backlash

  • Low level of noise / high lifespan

  • Influence of assembly precission

  • Contact pattern, V-H characteristics

  • Where error comes from (pinion/wheel)


GeartecGEARTEC is a modern engineering company in the Czech Republic with an 80-year tradition in manufacturing gear machines. Established in 1998, we specialize in crafting high-quality inspection machines for all types of gears, focusing on single and double flank testing. With over 150 machines supplied, we've become a global leader in gear inspection. Our collaboration with Czech and German universities, as well as top gear manufacturers, drives our research for superior quality evaluation tools.