Regal Rexnord
Right Angle Gearboxes
Regal Rexnord right angle gearboxes are speed reducers engineered to transmit power around a 90° corner — converting motor input from a horizontal or vertical axis into a perpendicular output that precisely matches the shaft orientation demanded by the driven machine.This portfolio spans helical - bevel, worm, and Spiroid gear technologies from industry - standard brands including Browning, Grove Gear, Hub City, and Falk, covering torque capacities from light - duty fractional - horsepower applications on small conveyors and mixers to multi - million - lb -in drives on the world’s largest bucket elevators and vertical pumps.Plant engineers across manufacturing, food processing, material handling, and water treatment industries select Regal Rexnord right angle gearboxes when drivetrain space constraints, machine geometry, or the need for compact motor positioning make a 90° power turn the most efficient design solution.Helical - bevel designs provide 95 % + efficiency for energy - sensitive continuous - duty applications; worm gear designs offer inherent self - locking capability and superior shock - load absorption for intermittent duty, hoisting, and indexing applications.With multiple shaft configurations(solid, hollow, flanged), mounting styles(foot, flange, shaft - mount), and full NEMA / IEC motor adaptability, our right angle gearboxes provide the exact geometry and performance required by the machine layout.
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Trusted by Industry Leaders
Helical - Bevel Efficiency(> 95 %)
Gleason - generated spiral bevel gears with profile - ground tooth flanks deliver high efficiency and quiet operation under continuous loads — the energy - smart choice for 24 / 7 pump, conveyor, and agitator drives.
Worm Gear Back - Driving Prevention
Worm gear reductions provide an inherent self - locking characteristic at ratios above 30: 1, eliminating the need for separate brakes on inclined conveyors, elevators, and hoists that must not reverse under load.
Browning & Grove Gear Interchangeability
Standardized shaft centerlines and mounting dimensions match the competitive installed base, enabling drop -in replacement without modifying the machine baseplate or driven shaft.
Multiple Output Shaft Configurations
Solid shafts for coupling connections, hollow bores for direct shaft - mounted drives(with TA or QD bushing options), and flanged outputs for directly bolting to the machine frame.
Compact 90° Power Turn for Space - Constrained Machines
Right angle architecture mounts the motor alongside or above the driven shaft rather than behind it, reducing drivetrain length and enabling machine designs that would be impossible with inline reducers.
Sealed & Lubricated for Life in Most Configurations
Factory - filled with the correct lubricant for the mounting orientation, with premium seals that exclude the contaminants from washdown, dust, and outdoor environments.
Helical - Bevel vs.Worm: Selecting the Right 90° Gear Technology
The choice between helical - bevel and worm gearing for a right angle drive involves tradeoffs in efficiency, self - locking capability, quietness, and cost.Helical - bevel gearboxes transmit power with 95 % + efficiency, generating minimal heat and enabling the use of smaller motors for continuous - duty applications.They are the default choice for energy - sensitive pump, conveyor, and agitator drives operating thousands of hours per year.Worm gearboxes offer slightly lower efficiency(especially at higher ratios) but provide the ability to lock the output against reverse torque(back - driving) at ratios above approximately 30: 1 — a unique attribute valuable for hoists, lifts, and inclined conveyors.Worm gears are also inherently quieter and more shock - tolerant than helical - bevel designs, making them preferred for theater stage machinery, scenic automation, and vehicle applications.Regal Rexnord application engineers help weigh these tradeoffs against the specific operating requirements, ensuring that the right angle gearbox technology is selected for its fitness to the application, not for supplier convenience.
Right Angle Gearboxes for Water & Wastewater Treatment
Municipal water and wastewater treatment plants rely on right angle gearboxes to drive the clarifier rakes, flocculator paddles, and aerator rotors that treat millions of gallons daily.These applications are characterized by continuous operation, outdoor exposure, and the logistical difficulty of accessing critical equipment for unscheduled maintenance.Regal Rexnord right angle helical - bevel and worm gearboxes provide the corrosion - resistant housings, Viton seals, and synthetic lubricants that survive years of operation in the humid, chemically aggressive atmosphere of a treatment plant.The 90° configuration enables the motor to be mounted above the basin water level(often with a C - face motor vertical up), with the output shaft extending downward into the basin — a layout that protects the motor from flooding while minimizing the building height required above the basin.Spare - gearbox interchangeability with major treatment - plant OEMs simplifies the procurement and repair strategies that keep these critical public - health facilities operating without interruption.