Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

BOSTON Spur Gear: Inch, Pitch 6, 30 Teeth, 1 1/8 in Bore Dia, 14.5° Pressure Angle - Inch Spur Gears with Standard Hub
BOSTONInch Spur Gears with Standard Hub

BOSTON Spur Gear: Inch, Pitch 6, 30 Teeth, 1 1/8 in Bore Dia, 14.5° Pressure Angle

The BOSTON Spur Gear: Inch (SKU 1L994, 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

Brand
BOSTON
Item
Spur Gear: Inch, Pitch 6, 30 Teeth, 1 1/8 in Bore Dia, 14.5° Pressure Angle
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.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

BOSTON
Manufacturer Part Number
NJ30A
Type
Pitch 6, Steel
Material
Steel
Teeth
30
Keyway
No
Bore Dia
1 1/8 in
Pitch Dia
5 in
Pressure Angle
14.5°
System of Measurement
Inch
View Full Spec Sheet

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 1L994, 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 BOSTON
Compressed air systems — BOSTON Easy Couple nitrile bulk air hoses with vinyl nitrile or neoprene covers
Water transfer and suction — BOSTON vinyl nitrile water suction and discharge hose assemblies with wire helix reinforcement
Petroleum handling — BOSTON corrugated cover gasoline hose assemblies for fuel transfer
Bulk material transport — BOSTON rubber blend material-handling hoses with natural rubber cover for grains and aggregates
Industrial maintenance — BOSTON hoses for general-purpose air and water applications in plant operations

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
Spur Gear: Inch, Pitch 12, 30 Teeth, 5/8 in Bore Dia, 14.5° Pressure Angle, Steel, 2.5 in Pitch Dia (MPN ND30). Key specifications — System of Measurement: Inch; Material: Steel; Keyway: No.
BOSTON
Spur Gear: Inch, Pitch 12, 30 Teeth, 5/8 in Bore Dia, 14.5° Pressure Angle, Steel, 2.5 in Pitch Dia (MPN ND30). Key specifications — System of Measurement: Inch; Material: Steel; Keyway: No.
Spur Gear: Inch, Pitch 12, 32 Teeth, 5/8 in Bore Dia, 14.5° Pressure Angle, Steel, 2.67 in Pitch Dia (MPN ND32A). Key specifications — System of Measurement: Inch; Material: Steel; Keyway: No.
BOSTON
Spur Gear: Inch, Pitch 12, 32 Teeth, 5/8 in Bore Dia, 14.5° Pressure Angle, Steel, 2.67 in Pitch Dia (MPN ND32A). Key specifications — System of Measurement: Inch; Material: Steel; Keyway: No.
Spur Gear: Inch, Pitch 20, 32 Teeth, 3/8 in Bore Dia, 14.5° Pressure Angle, Steel, 1.6 in Pitch Dia (MPN NA32). Key specifications — System of Measurement: Inch; Material: Steel; Keyway: No.
BOSTON
Spur Gear: Inch, Pitch 20, 32 Teeth, 3/8 in Bore Dia, 14.5° Pressure Angle, Steel, 1.6 in Pitch Dia (MPN NA32). Key specifications — System of Measurement: Inch; Material: Steel; Keyway: No.
Spur Gear: Inch, Pitch 6, 16 Teeth, 1 in Bore Dia, 14.5° Pressure Angle, Steel, 2.67 in Pitch Dia (MPN NJ16 B). Key specifications — System of Measurement: Inch; Material: Steel; Keyway: No.
BOSTON
Spur Gear: Inch, Pitch 6, 16 Teeth, 1 in Bore Dia, 14.5° Pressure Angle, Steel, 2.67 in Pitch Dia (MPN NJ16 B). Key specifications — System of Measurement: Inch; Material: Steel; Keyway: No.
Spur Gear: Inch, Pitch 8, 24 Teeth, 7/8 in Bore Dia, 14.5° Pressure Angle, Steel, 3 in Pitch Dia (MPN NH24A). Key specifications — System of Measurement: Inch; Material: Steel; Keyway: No.
BOSTON
Spur Gear: Inch, Pitch 8, 24 Teeth, 7/8 in Bore Dia, 14.5° Pressure Angle, Steel, 3 in Pitch Dia (MPN NH24A). Key specifications — System of Measurement: Inch; Material: Steel; Keyway: No.
Spur Gear: Inch, Pitch 16, 24 Teeth, 1/2 in Bore Dia, 14.5° Pressure Angle, Steel, 1.5 in Pitch Dia (MPN NB24B). Key specifications — System of Measurement: Inch; Material: Steel; Keyway: No.
BOSTON
Spur Gear: Inch, Pitch 16, 24 Teeth, 1/2 in Bore Dia, 14.5° Pressure Angle, Steel, 1.5 in Pitch Dia (MPN NB24B). Key specifications — System of Measurement: Inch; Material: Steel; Keyway: No.
Spur Gear: Inch, Pitch 12, 12 Teeth, 1/2 in Bore Dia, 14.5° Pressure Angle, Steel, 1 in Pitch Dia (MPN ND12 B). Key specifications — System of Measurement: Inch; Material: Steel; Keyway: No.
BOSTON
Spur Gear: Inch, Pitch 12, 12 Teeth, 1/2 in Bore Dia, 14.5° Pressure Angle, Steel, 1 in Pitch Dia (MPN ND12 B). Key specifications — System of Measurement: Inch; Material: Steel; Keyway: No.
Spur Gear: Inch, Pitch 8, 18 Teeth, 7/8 in Bore Dia, 14.5° Pressure Angle, Steel, 2.25 in Pitch Dia (MPN NH18 B). Key specifications — System of Measurement: Inch; Material: Steel; Keyway: No.
BOSTON
Spur Gear: Inch, Pitch 8, 18 Teeth, 7/8 in Bore Dia, 14.5° Pressure Angle, Steel, 2.25 in Pitch Dia (MPN NH18 B). Key specifications — System of Measurement: Inch; Material: Steel; Keyway: No.