Boston Gear SRF721V-10-B5-J Hollow Shaft Gear Reducer

Description:

The Boston SRF721V-10-B5-J Hollow Shaft Gear Reducer is used in industrial power transmission systems to reduce motor speed while increasing output torque through a right-angle worm gear drive configuration. Commonly installed in conveyors, packaging machinery, mixers, material handling equipment, and manufacturing systems requiring compact right-angle speed reduction and hollow shaft mounting. Maintenance teams and system integrators use this part for gearbox replacements, machine retrofits, drive system upgrades, and OEM equipment maintenance. 

Applications:

The Boston SRF721V-10-B5-J gear reducer is commonly used to provide reliable speed reduction and torque multiplication in industrial drive systems. Typical applications for the SRF721V-10-B5-J include conveyor systems, food processing equipment, packaging machinery, pumps, agitators, and material handling equipment requiring a compact right-angle worm gear reducer with hollow shaft output and NEMA motor flange input compatibility. The Boston Gear 700 Series has been widely used in industrial applications for more than 40 years due to its modular design and durability.

Technical Specifications:

• Manufacturer: Boston
• Model / Part Number: SRF721V-10-B5-J
• Product Type: Hollow Shaft Gear Reducer
• Series: 700 Series
• Reducer Type: Right Angle Worm Gear Speed Reducer
• Reduction Type: Single Reduction
• Gear Ratio: 10:1
• Output Configuration: Hollow Shaft Output
• Housing Material: Cast Iron
• Input Style: 56C Quill Flange Input
• Center Distance: 2.06 in (2.1 in nominal)
• Mounting Configuration: Multi-position mounting capable
• Output Speed: Approximately 175 RPM at 1750 RPM input
• Output Torque: Approximately 615 to 789 lb-in depending on configuration
• Output Bore Size: 1 in to 1-1/8 in depending on shaft option
• Lubrication Type: Synthetic gear lubricant compatible
• Operating Orientation: Horizontal or Vertical Mount
• Cooling Method: Passive oil bath cooling
• Efficiency: Approximately 94% typical at rated load
• Application Environment: Industrial power transmission systems
• Typical Loads: Conveyors, mixers, packaging equipment, pumps, and process machinery
• Weight: Approximately 34 to 38 lbs depending on configuration
• Standards Compliance: AGMA Service Class I Rated

Common Replacements:

• Boston Gear HF721-10-B5-H-P23 Hollow Shaft Reducer
• Boston Gear RF721-10-B5-J Worm Gear Reducer
• Dodge Tigear-2 10:1 Worm Gear Reducer