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 NB18B Spur Gear, Inch, 18 Teeth, 1/2 in Bore, 14.5° Pressure Angle, Steel - Inch Spur Gears with Standard Hub
BOSTONInch Spur Gears with Standard Hub

BOSTON NB18B Spur Gear, Inch, 18 Teeth, 1/2 in Bore, 14.5° Pressure Angle, Steel

<p>The BOSTON NB18B is a precision inch spur gear with 18 teeth and a 1/2-inch bore, designed for reliable power transmission in industrial applications. Made from durable steel, this gear features a 14.5° pressure…

SKU 3G-OTH-724437

Brand
BOSTON
Item
NB18B Spur Gear, Inch, 18 Teeth, 1/2 in Bore, 14.5° Pressure Angle, Steel
Part Number
NB18B
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
NB18B
Type
Pitch 16, Steel
Material
Steel
Teeth
18
Keyway
No
Bore Dia
1/2 in
Pitch Dia
1.13 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

<p>The BOSTON NB18B is a precision inch spur gear with 18 teeth and a 1/2-inch bore, designed for reliable power transmission in industrial applications. Made from durable steel, this gear features a 14.5° pressure angle and a pitch diameter of 1.13 inches, ensuring smooth and efficient operation. It is part of the Standard Hub series, offering a compact design suitable for various machinery.</p><p>Ideal for procurement buyers in Singapore, 3G Electric provides this gear with worldwide shipping, SGD quotes on request, and GST handled for local buyers. Enjoy fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What are the key specifications of the BOSTON NB18B spur gear?

The BOSTON NB18B is an inch spur gear with 18 teeth, a 1/2-inch bore, and a 14.5° pressure angle. It is made of steel, has a pitch diameter of 1.13 inches, and is a Pitch 16 gear. It does not have a keyway.

Can I get a quote in SGD and fast delivery in Singapore?

Yes, 3G Electric offers SGD quotes on request for this gear. For Singapore buyers, GST is handled, and we provide fast delivery across Singapore and Southeast Asia.

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 →

More from BOSTON

View all BOSTON parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first