EXW Singapore — collect or forward from our Singapore office.

3G Electric
BOSTON L521-6 Steel Gear Rack - Rectangular & Square Inch Gear Racks
BOSTONRectangular & Square Inch Gear Racks

BOSTON L521-6 Steel Gear Rack

The BOSTON Gear Rack: Dia is a rectangular and square inch gear rack, model L521-6, made of steel with a 14.5° pressure angle and 1.91 TPI. It measures 1 1/2 in in height and width, with a length of 6 ft. 3G Electric…

SKU 3G-OTH-723985

Also listed as: L5216 · L521 6

Brand
BOSTON
Item
L521-6 Steel Gear Rack
Part Number
L521-6
Category
Rectangular & Square Inch Gear Racks
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

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

BOSTON
Manufacturer Part Number
L521-6
Type
Steel
Wd
1 1/2 in
Ht
1 1/2 in
Lg.
6 ft
TPI
1.91
Pressure Angle
14.5°

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 Gear Rack: Dia is a rectangular and square inch gear rack, model L521-6, made of steel with a 14.5° pressure angle and 1.91 TPI. It measures 1 1/2 in in height and width, with a length of 6 ft. 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments, with specialist depth in power transmission and controls.

Frequently Asked Questions

What is the BOSTON Gear Rack L521-6 used for?

The BOSTON Gear Rack L521-6 converts rotary motion into linear motion in industrial machinery. It is commonly used in CNC routers, gantry systems, and material handling equipment where precise positioning and high load capacity are required.

What are the specifications of the BOSTON Gear Rack L521-6?

The BOSTON Gear Rack L521-6 is a steel rack with a 14.5° pressure angle, 1.91 TPI, and dimensions of 1 1/2 in height, 1 1/2 in width, and 6 ft length. It has a diametral pitch of 6 and is designed for inch-series applications.

Where to buy the BOSTON Gear Rack L521-6 worldwide?

3G Electric supplies the BOSTON Gear Rack L521-6 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this genuine industrial component.

How to select the correct gear rack for a linear motion system?

To select the correct gear rack, match the diametral pitch and pressure angle to your mating pinion gear. For the BOSTON L521-6, use a pinion with a 14.5° pressure angle and pitch 6. Ensure the rack length and mounting dimensions fit your application.

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 rectangular & square inch gear racks. 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