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Shaft-to-Bore & Bore-to-Bore Gearboxes

Heavy Duty Shaft-to-Bore & Bore-to-Bore Gearboxes

Ondrives.US’ BLH Series heavy-duty bevel bore gearboxes (BLHI, BLHO, and BLHB models) are engineered for reliable, high-performance operation in the most demanding applications. Manufactured with durable aluminum and hardened steel components, these heavy-duty gearboxes provide an output of 90° from the input. Available with 1:1 or 2:1 gear ratios and in a range of input/output shaft sizes and bore sizes, the BLH Series offers versatility for a wide range of operations. These bevel bore gearboxes provide high efficiency (up to 88% at 1,000 RPM) and torque values as high as 70 Nm (varies by model), with very low output backlash (≈1°).



The Ondrives.US Advantage:

For over 30 years, Ondrives.US has been a leading designer and manufacturer of high-performance gearboxes. Our BLH Series heavy-duty bevel bore gearboxes are available in a range of sizes, torque ratings, and shaft-to-bore and bore-to-bore configurations, making it easy to find the right solution for your power transfer challenge.
  • Highly efficient heavy-duty gearboxes (as high as 88% at 1,000 RPM)
  • Torque outputs up to 70 Nm
  • Low backlash (≈1°)
  • 1:1 and 2:1 gear ratios
  • Shaft-to-bore and bore-to-bore configurations are available
  • Right angle (90°) output
  • Sturdy aluminum housings and steel interior components
  • Maximum input speed: 3,000 RPM
  • Permanent lubrication
Order the heavy-duty bevel gearboxes you need, request a quote, or contact us for more information.