Boston Gear RA1531 1:1 Gear Reducer

Description:

The Boston Gear RA1531 Gear Reducer is used in industrial power transmission systems to provide right-angle mechanical drive transfer with equal input and output speed. Commonly installed in conveyor systems, material handling equipment, packaging machinery, and industrial automation systems where shaft direction changes are required without speed reduction or increase. Maintenance teams, OEM machine builders, and system integrators use this gear reducer for drivetrain alignment, equipment repair, retrofit replacement, and mechanical power transmission system integration.

Applications:

The Boston Gear RA1531 gear reducer is commonly used in industrial machinery including conveyors, assembly systems, packaging equipment, printing machinery, and general material handling systems where a right-angle drive is required to transfer rotational power between intersecting shafts while maintaining a 1:1 ratio for synchronized motion control.

Technical Specifications:

• Manufacturer: Boston Gear (Regal Rexnord)
• Model / Part number: RA1531
• Product type: Right-angle spiral bevel gear reducer
• Gear type: Spiral bevel gearing
• Gear ratio: 1:1
• Input shaft: Solid shaft input (3/4" typical)
• Output shaft: Solid shaft output (3/4")
• Output speed: 1750 RPM (equal to input)
• Torque rating: ~125–151 in-lb (service class dependent)
• Housing material: Aluminum alloy or cast housing (series dependent)
• Bearing type: Precision ball bearings
• Lubrication: Factory pre-lubricated for life
• Shaft arrangement: Right-angle (90°) configuration
• Function: Power transmission with directional change (no speed reduction)
• Application environment: Industrial mechanical drive systems

Common Replacements:

• Nord SK right-angle bevel gearbox (1:1 ratio class equivalent)
• Dodge Tigear right-angle gearbox (spatial drive equivalent class)
• Bonfiglioli right-angle bevel gearbox (1:1 industrial duty equivalent)