BOSTON Inch Spur Gear with Standard Hub
The BOSTON Spur Gear: Inch (SKU NJ30A, MPN NJ30A) is an inch-system spur gear with a standard hub, featuring 30 teeth, a 5 in pitch diameter, and a 1 1/8 in bore diameter. It is made of steel with a 14.5° pressure…
SKU 3G-OTH-724391
Local availability & support — Singapore
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- 20 Woodlands Link #09-05, Singapore 738733
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- +65 8878 8355
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Product Description
The BOSTON Spur Gear: Inch (SKU NJ30A, MPN NJ30A) is an inch-system spur gear with a standard hub, featuring 30 teeth, a 5 in pitch diameter, and a 1 1/8 in bore diameter. It is made of steel with a 14.5° pressure angle and a pitch of 6, and does not include a keyway.
Frequently Asked Questions
What is the BOSTON spur gear NJ30A used for?
The BOSTON spur gear NJ30A is used in industrial power transmission systems to transfer motion between parallel shafts. Its 14.5° pressure angle and steel construction suit moderate-load applications like conveyors, machine tools, and packaging equipment where precise, quiet operation is required.
What are the specifications of the BOSTON spur gear NJ30A?
The BOSTON spur gear NJ30A is an inch-system gear with 30 teeth, a 5 in pitch diameter, a 1 1/8 in bore diameter, and a pitch of 6. It is made of steel with a 14.5° pressure angle and no keyway. The standard hub design allows for easy mounting on shafts.
Where to buy the BOSTON spur gear NJ30A worldwide?
3G Electric supplies the BOSTON spur gear NJ30A to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time; we source genuine industrial components across 14 departments, including power transmission.
How to select the right BOSTON spur gear for my application?
To select the right BOSTON spur gear, match the pitch, pressure angle, and bore diameter to your shaft and mating gear. For the NJ30A, confirm your system uses inch measurements and a 14.5° pressure angle. Ensure the 5 in pitch diameter and 30 teeth meet your speed and torque requirements.
Used in
Common applications for BOSTONBOSTON Products
3G Electric supplies BOSTON inch spur gears with standard hub. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
