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

3G Electric
KHK GEARS Hubless Metric Spur Gear, PSA2-45, Nylon, 45 Teeth, 12 mm Bore - Hubless Metric Spur Gears
KHK GEARSHubless Metric Spur Gears

KHK GEARS Hubless Metric Spur Gear, PSA2-45, Nylon, 45 Teeth, 12 mm Bore

The KHK GEARS Hubless Spur Gear (MPN PSA2-45) is a metric hubless spur gear with module m 2, 45 teeth, a 12 mm plain bore, and a 20° pressure angle. Made from MC901 nylon, it meets JIS N9 precision class (JIS…

SKU 3G-OTH-724329

Also listed as: PSA245 · PSA2 45

Brand
KHK GEARS
Item
Hubless Metric Spur Gear, PSA2-45, Nylon, 45 Teeth, 12 mm Bore
Part Number
PSA2-45
Category
Hubless Metric Spur Gears
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

KHK GEARS
Manufacturer Part Number
PSA2-45
Type
Nylon, Plain Bore
Material
Nylon
Teeth
45
Bore Dia
12 mm
Hub Type
No Hub
Gear Shape
S5
Material Grade
MC901
Pressure Angle
20°
Precision Class
JIS N9 (JIS B1702-1:1998)
System of Measurement
Metric

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

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

Product Description

The KHK GEARS Hubless Spur Gear (MPN PSA2-45) is a metric hubless spur gear with module m 2, 45 teeth, a 12 mm plain bore, and a 20° pressure angle. Made from MC901 nylon, it meets JIS N9 precision class (JIS B1702-1:1998) and is shaped as S5.

Frequently Asked Questions

What is a KHK hubless spur gear used for?

A KHK hubless spur gear transmits motion and torque between parallel shafts in industrial machinery. The MC901 nylon construction provides quiet, low-wear operation in applications like packaging, material handling, and light-duty drives where corrosion resistance and reduced weight are needed.

What are the specifications of the KHK PSA2-45 hubless spur gear?

The KHK PSA2-45 is a metric hubless spur gear with module m 2, 45 teeth, a 12 mm plain bore, and a 20° pressure angle. It is made from MC901 nylon, meets JIS N9 precision class (JIS B1702-1:1998), and has an S5 gear shape. The manufacturer part number is PSA2-45.

Where to buy KHK hubless spur gears worldwide?

3G Electric supplies KHK hubless spur gears worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the PSA2-45 or other KHK gear configurations.

How to select a hubless spur gear for a metric drive?

Select a hubless spur gear by matching module, tooth count, bore diameter, and pressure angle to your shaft and mating gear. For the KHK PSA2-45, confirm module m 2, 45 teeth, a 12 mm bore, and a 20° pressure angle. Ensure the MC901 nylon material suits your load, speed, and environmental conditions.

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

KHK GEARS Products

3G Electric supplies KHK GEARS hubless metric spur gears. 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 KHK GEARS

View all KHK GEARS parts →
This hubless spur gear is made from S45C carbon steel with a black oxide finish. It has 25 teeth, an 8 mm plain bore, and a metric module of m 1. Precision class JIS N8 (JIS B1702-1:1998). Suitable for direct shaft mounting in power transmission systems such as conveyors and packaging equipment
KHK GEARS
This hubless spur gear is made from S45C carbon steel with a black oxide finish. It has 25 teeth, an 8 mm plain bore, and a metric module of m 1. Precision class JIS N8 (JIS B1702-1:1998). Suitable for direct shaft mounting in power transmission systems such as conveyors and packaging equipment
Metric hubless spur gear, module m 2, 70 teeth, 18 mm plain bore. Made from S45C carbon steel with black oxide finish, JIS N8 precision class (JIS B1702-1:1998), gear shape S5. No-hub design for compact assemblies in power transmission applications between parallel shafts
KHK GEARS
Metric hubless spur gear, module m 2, 70 teeth, 18 mm plain bore. Made from S45C carbon steel with black oxide finish, JIS N8 precision class (JIS B1702-1:1998), gear shape S5. No-hub design for compact assemblies in power transmission applications between parallel shafts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first