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BOSTON NJ12 B Inch Spur Gear with Standard Hub - Inch Spur Gears with Standard Hub
BOSTONInch Spur Gears with Standard Hub

BOSTON NJ12 B Inch Spur Gear with Standard Hub

The BOSTON Spur Gear: Inch (MPN NJ12 B) is a pitch 6, steel inch spur gear with a standard hub, featuring 12 teeth, a 1 in bore diameter, a 2 in pitch diameter, and a 14.5° pressure angle. It has no keyway and is…

SKU 3G-OTH-724385

Also listed as: NJ12B · NJ12-B

Brand
BOSTON
Item
NJ12 B Inch Spur Gear with Standard Hub
Part Number
NJ12 B
Category
Inch Spur Gears with Standard Hub
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Local office
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Phone
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Technical Specifications

BOSTON
Manufacturer Part Number
NJ12 B
Type
Pitch 6, Steel
Material
Steel
Teeth
12
Keyway
No
Bore Dia
1 in
Pitch Dia
2 in
Pressure Angle
14.5°
System of Measurement
Inch

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BOSTON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BOSTON Spur Gear: Inch (MPN NJ12 B) is a pitch 6, steel inch spur gear with a standard hub, featuring 12 teeth, a 1 in bore diameter, a 2 in pitch diameter, and a 14.5° pressure angle. It has no keyway and is designed for inch-system applications.

Frequently Asked Questions

What is the BOSTON NJ12 B spur gear used for?

The BOSTON NJ12 B spur gear is used in inch-system power transmission applications where precise speed and torque control are needed. Common in industrial machinery, conveyors, and gearboxes, its 14.5° pressure angle and steel construction suit moderate-load, low-noise drives.

What are the specifications of the BOSTON NJ12 B spur gear?

The BOSTON NJ12 B is a pitch 6, steel inch spur gear with 12 teeth, a 1 in bore diameter, a 2 in pitch diameter, and a 14.5° pressure angle. It has no keyway and a standard hub. The manufacturer part number is NJ12 B.

Where to buy the BOSTON NJ12 B spur gear worldwide?

3G Electric supplies the BOSTON NJ12 B spur gear worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine BOSTON parts and support your procurement from inquiry to arrival.

How to select the right BOSTON spur gear for my application?

To select the right BOSTON spur gear, match the pitch, pressure angle, bore diameter, and material to your shaft and load requirements. For inch systems, confirm the pitch diameter and tooth count align with your mating gear. 3G Electric can help interpret your specs and source the correct part.

Used in

Common applications for BOSTON
CNC and linear motion systems — Boston rectangular gear racks (e.g., L514-6, L515-6) convert rotary motion to precise linear movement.
Right-angle drive assemblies — Boston spiral miter gears (HLSK104Y R/L) change shaft direction in compact industrial machinery.
Material handling and conveyors — Boston gear racks and pinions provide linear actuation for indexing and positioning mechanisms.
Packaging equipment — Boston miter gears transmit torque between intersecting shafts in synchronized drive trains.
Valve and damper actuation — Boston gear racks offer manual or motorized linear stroke for flow control devices.
Food processing machinery — Boston steel gear racks and miter gears are used in washdown-adjacent drive systems where corrosion resistance is managed through material selection and lubrication.
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BOSTON 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.

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Inch-system spur gear with standard hub, 18 teeth, 1/2 in bore diameter, 1.13 in pitch diameter, Pitch 16, 14.5° pressure angle, steel construction, no keyway. Used for power transmission between parallel shafts in moderate-load applications such as conveyors and industrial drives
BOSTON
Inch-system spur gear with standard hub, 18 teeth, 1/2 in bore diameter, 1.13 in pitch diameter, Pitch 16, 14.5° pressure angle, steel construction, no keyway. Used for power transmission between parallel shafts in moderate-load applications such as conveyors and industrial drives

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