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GarageDoorProject™ Replacement Part - JR 4:1 Reduction Jack Shaft Mounted - 1" Bore For Garage Door Openers

SKU 300-64015
Save 31% Save 31%
Original price $177.52
Original price $177.52 - Original price $177.52
Original price $177.52
Current price $122.99
$122.99 - $122.99
Current price $122.99

GarageDoorProject™ JR 4:1 Reduction Jack Shaft - 100% OEM parts with updated production dates.


HIGH-PERFORMANCE GEAR SYSTEM: Ensures efficient power transmission and consistent torque for optimal mechanical performance.


VERSATILE COMPATIBILITY: Features a 1-inch bore and standard keyway, ideal for various industrial, agricultural, and mechanical applications.


DURABLE DESIGN: Made with high-strength steel and corrosion-resistant coating for long-lasting reliability.


EASY INSTALLATION: Compact, shaft-mounted design for seamless integration into a variety of machinery setups.

Product Description

JR 4:1 Reduction Jack Shaft Mounted - 1" Bore For Garage Door Openers - 100% OEM Manufacturers with New Production Dates for US Vendor GarageDoorProject -

New For 2025

GarageDoorProject™ JR 4:1 Reduction Jack Shaft is a cutting-edge solutiontailored for industrial, agricultural, and mechanical applications. This high-performance jack shaft is engineered with precision to provide superior power transmission and a reliable 4:1 gear reduction ratio. The robust 1-inch bore with a standard keyway ensures broad compatibility, making it an adaptable choice for a wide range of projects.

Built for durability, the jack shaft features a high-strength steel housing with corrosion-resistant coating, ensuring optimal performance even in demanding environments. Its compact, shaft-mounted design facilitates easy installation and seamless integration into conveyor systems, agricultural machinery, processing equipment, and more.

With smooth operational efficiency, improved torque transfer, and minimal maintenance requirements, the JR 4:1 Reduction Jack Shaft delivers dependable performance for projects demanding precision and reliability.

HIGH-PRECISION REDUCTION RATIO: The 4:1 gear reduction ensures optimal speed and torque balance.

ROBUST CONSTRUCTION: High-strength steel housing and durable gears provide exceptional performance and long service life.

CORROSION-RESISTANT FINISH: Designed to withstand various environmental conditions for extended reliability.

VERSATILE APPLICATIONS: Ideal for conveyor systems, agricultural machinery, and other mechanical setups requiring a compact, efficient solution.

EASY INTEGRATION: Compact and shaft-mounted design ensures hassle-free installation and space-saving benefits.

TECHNICAL SPECIFICATIONS:

  • Product Type: Jack Shaft Mounted
  • Gear Reduction Ratio: 4:1
  • Bore Size: 1 inch (25.4 mm)
  • Material: High-strength steel housing with durable gears
  • Mounting Style: Shaft-mounted
  • Keyway Size: Standard keyway compatible with a 1-inch bore
  • Load Capacity: Supports moderate-to-high torque applications (refer to load rating specifics)
  • Finish: Corrosion-resistant coating
  • Lubrication: Pre-lubricated or periodic lubrication required (refer to manufacturer guidelines)
  • Weight: Approximate weight based on model specifications
  • Applications: Conveyor systems, agricultural machinery, processing equipment, and other mechanical systems requiring speed reduction.

Experience precision and durability with GarageDoorProject™ JR 4:1 Reduction Jack Shaft—designed to enhance performance and reliability across multiple applications.

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