Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
BOSTON Spur Gear: Inch - Inch Spur Gears with Standard Hub
BOSTONInch Spur Gears with Standard Hub

BOSTON Spur Gear: Inch

The BOSTON Spur Gear: Inch (SKU NJ24A, MPN NJ24A) is an inch-system spur gear with a standard hub, featuring 24 teeth, a 4 in pitch diameter, and a 1 1/8 in bore diameter. It is made of steel with a 14.5° pressure…

SKU 3G-OTH-724485

Brand
BOSTON
Item
Spur Gear: Inch
Part Number
NJ24A
Category
Inch Spur Gears with Standard Hub
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

BOSTON
Manufacturer Part Number
NJ24A
Type
Pitch 6, Steel
Material
Steel
Teeth
24
Keyway
No
Bore Dia
1 1/8 in
Pitch Dia
4 in
Pressure Angle
14.5°
System of Measurement
Inch

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The BOSTON Spur Gear: Inch (SKU NJ24A, MPN NJ24A) is an inch-system spur gear with a standard hub, featuring 24 teeth, a 4 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 has no keyway. 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments — with specialist depth in combustion, pumps and controls — ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is the BOSTON Spur Gear NJ24A used for?

The BOSTON Spur Gear NJ24A is used in power transmission systems to transfer motion between parallel shafts. Common applications include conveyors, machine tools, and industrial drives where precise speed and torque control are needed. 3G Electric supplies this genuine steel gear across 14 industrial departments.

What are the specifications of the BOSTON Spur Gear NJ24A?

The BOSTON Spur Gear NJ24A is an inch-system spur gear with 24 teeth, a 4 in pitch diameter, a 1 1/8 in bore diameter, and a 14.5° pressure angle. It is made of steel with pitch 6 and no keyway. 3G Electric sources this genuine component for global delivery.

Where to buy the BOSTON Spur Gear NJ24A worldwide?

3G Electric supplies the BOSTON Spur Gear NJ24A worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we interpret your demand and deliver this genuine steel spur gear to your facility. Contact us for availability and lead time.

How to select the right spur gear for an inch-system drive?

To select the right spur gear, match the pitch, pressure angle, and bore diameter to your shaft and mating gear. For the BOSTON NJ24A, ensure a 14.5° pressure angle and 6 pitch. 3G Electric can help you verify compatibility across 14 departments, including power transmission.

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.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

More from BOSTON

View all BOSTON parts →
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

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first