WELCOME TO BIGRUN GEARBOX

Explore our premium SMSR gearboxes for unmatched performance and reliability in industrial applications.

Rated 5 stars by customers

★★★★★

About Us

Premium SMSR Gearboxes – Precision Engineering for Reliable Performance
At Bigrun Gear Box, we take pride in offering top-tier engineering solutions with our Shaft Mounted Speed Reducer (SMSR) Gearboxes. Available in six distinct sizes (C, D, E, F, G, & H) and three precision ratios (5:1, 13:1, & 20:1), our gearboxes are designed to cater to a wide range of industrial applications.

Our Products

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Why Bigrun Gearbox

  • Advanced Helical Gears: Our gearboxes feature helical gears manufactured on state-of-the-art CNC machines, ensuring exceptional precision and superior performance.

  • Enhanced Durability: The gears are case-hardened, with a hard wear layer and a softer core to resist shock loads, providing long-lasting reliability.

  • Superior Protection: Equipped with metallic double lip oil seals, our gearboxes effectively block out dirt and contaminants from the outside environment, ensuring smooth and reliable operation.

  • Rigorous Quality Testing: Each gear undergoes stringent testing for cracks, noise, and leaks, guaranteeing a trouble-free experience and optimal performance. Innovative Tooth Design: Our gear units boast an advanced tooth design that delivers higher power and torque, enhancing the efficiency and productivity of your operations.