We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

KHK GEARS Hubless Spur Gear: Module m 2, 45 Teeth, 18 mm Bore Dia, Black Oxide Coated Carbon Steel - Hubless Metric Spur Gears
KHK GEARSHubless Metric Spur Gears

KHK GEARS Hubless Spur Gear: Module m 2, 45 Teeth, 18 mm Bore Dia, Black Oxide Coated Carbon Steel

The KHK GEARS Hubless Spur Gear (Module m 2, MPN SSA2-45) is a metric, black oxide coated carbon steel spur gear with 45 teeth, an 18 mm plain bore, and no hub. Manufactured from S45C material to JIS N8 precision…

SKU 3G-OTH-724255

Brand
KHK GEARS
Item
Hubless Spur Gear: Module m 2, 45 Teeth, 18 mm Bore Dia, Black Oxide Coated Carbon Steel
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

Technical Specifications

KHK GEARS
Manufacturer Part Number
SSA2-45
Type
Black Oxide Coated Carbon Steel, Plain Bore
Material
Carbon Steel
Teeth
45
Finish
Black Oxide
Bore Dia
18 mm
Hub Type
No Hub
Gear Shape
S5
Material Grade
S45C
Precision Class
JIS N8 (JIS B1702-1:1998)
System of Measurement
Metric
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

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

Product Description

The KHK GEARS Hubless Spur Gear (Module m 2, MPN SSA2-45) is a metric, black oxide coated carbon steel spur gear with 45 teeth, an 18 mm plain bore, and no hub. Manufactured from S45C material to JIS N8 precision (JIS B1702-1:1998), it features a Gear Shape S5 design. 3G Electric interprets demand and delivers this genuine industrial gear 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 KHK GEARS Hubless Spur Gear SSA2-45 used for?

This metric spur gear is used in power transmission and motion control applications where a compact, hubless design is needed. Common in industrial machinery, conveyors, and automation systems, it provides reliable torque transfer with JIS N8 precision. 3G Electric supplies this genuine KHK GEARS component worldwide.

What are the specifications of the KHK GEARS Hubless Spur Gear SSA2-45?

This gear has module m 2, 45 teeth, an 18 mm plain bore, and no hub. It is made from S45C carbon steel with a black oxide finish, precision class JIS N8 (JIS B1702-1:1998), and gear shape S5. It uses metric measurement and is manufactured by KHK GEARS.

Where to buy KHK GEARS Hubless Spur Gear SSA2-45 worldwide?

3G Electric sources and delivers this KHK GEARS hubless spur gear to customers worldwide. We handle full logistics and customs clearance, ensuring you receive the correct genuine component. Contact us for availability and lead time on this metric gear.

How to select a hubless spur gear for my application?

Select based on module, teeth count, bore diameter, and material. For the SSA2-45, ensure your shaft fits the 18 mm plain bore and that module m 2 matches your mating gear. Consider load, speed, and environment; the black oxide coating offers mild corrosion resistance. 3G Electric can help interpret your requirements.

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
Hubless Spur Gear: Module m 2.5, 48 Teeth, 15 mm Bore Dia, Nylon, 20° Pressure Angle, Plain Bore (MPN PSA2.5-48). Key specifications — Material Grade: MC901; System of Measurement: Metric; Material: Nylon; Hub Type: No Hub; Precision Class: JIS N9 (JIS B1702-1:1998); Gear Shape: S5.
KHK GEARS
Hubless Spur Gear: Module m 2.5, 48 Teeth, 15 mm Bore Dia, Nylon, 20° Pressure Angle, Plain Bore (MPN PSA2.5-48). Key specifications — Material Grade: MC901; System of Measurement: Metric; Material: Nylon; Hub Type: No Hub; Precision Class: JIS N9 (JIS B1702-1:1998); Gear Shape: S5.
Hubless Spur Gear: Module m 2, 65 Teeth, 15 mm Bore Dia, Nylon, 20° Pressure Angle, Plain Bore (MPN PSA2-65). Key specifications — Material Grade: MC901; System of Measurement: Metric; Material: Nylon; Hub Type: No Hub; Precision Class: JIS N9 (JIS B1702-1:1998); Gear Shape: S5.
KHK GEARS
Hubless Spur Gear: Module m 2, 65 Teeth, 15 mm Bore Dia, Nylon, 20° Pressure Angle, Plain Bore (MPN PSA2-65). Key specifications — Material Grade: MC901; System of Measurement: Metric; Material: Nylon; Hub Type: No Hub; Precision Class: JIS N9 (JIS B1702-1:1998); Gear Shape: S5.
Hubless Spur Gear: Module m 2, 20 Teeth, 12 mm Bore Dia, Black Oxide Coated Carbon Steel, Plain Bore (MPN SSA2-20). Key specifications — Material Grade: S45C; Finish: Black Oxide; System of Measurement: Metric; Material: Carbon Steel; Hub Type: No Hub; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S5.
KHK GEARS
Hubless Spur Gear: Module m 2, 20 Teeth, 12 mm Bore Dia, Black Oxide Coated Carbon Steel, Plain Bore (MPN SSA2-20). Key specifications — Material Grade: S45C; Finish: Black Oxide; System of Measurement: Metric; Material: Carbon Steel; Hub Type: No Hub; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S5.
Hubless Spur Gear: Module m 1, 48 Teeth, 8 mm Bore Dia, Black Oxide Coated Carbon Steel, Plain Bore (MPN SSA1-48). Key specifications — Material Grade: S45C; Finish: Black Oxide; System of Measurement: Metric; Material: Carbon Steel; Hub Type: No Hub; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S5.
KHK GEARS
Hubless Spur Gear: Module m 1, 48 Teeth, 8 mm Bore Dia, Black Oxide Coated Carbon Steel, Plain Bore (MPN SSA1-48). Key specifications — Material Grade: S45C; Finish: Black Oxide; System of Measurement: Metric; Material: Carbon Steel; Hub Type: No Hub; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S5.
Hubless Spur Gear: Module m 2, 25 Teeth, 12 mm Bore Dia, Black Oxide Coated Carbon Steel, Plain Bore (MPN SSA2-25). Key specifications — Material Grade: S45C; Finish: Black Oxide; System of Measurement: Metric; Material: Carbon Steel; Hub Type: No Hub; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S5.
KHK GEARS
Hubless Spur Gear: Module m 2, 25 Teeth, 12 mm Bore Dia, Black Oxide Coated Carbon Steel, Plain Bore (MPN SSA2-25). Key specifications — Material Grade: S45C; Finish: Black Oxide; System of Measurement: Metric; Material: Carbon Steel; Hub Type: No Hub; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S5.
Hubless Spur Gear: Module m 1, 70 Teeth, 10 mm Bore Dia, Black Oxide Coated Carbon Steel, Plain Bore (MPN SSA1-70). Key specifications — Material Grade: S45C; Finish: Black Oxide; System of Measurement: Metric; Material: Carbon Steel; Hub Type: No Hub; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S5.
KHK GEARS
Hubless Spur Gear: Module m 1, 70 Teeth, 10 mm Bore Dia, Black Oxide Coated Carbon Steel, Plain Bore (MPN SSA1-70). Key specifications — Material Grade: S45C; Finish: Black Oxide; System of Measurement: Metric; Material: Carbon Steel; Hub Type: No Hub; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S5.
Hubless Spur Gear: Module m 2, 60 Teeth, 15 mm Bore Dia, Stainless Steel, 20° Pressure Angle (MPN SUSA2-60). Key specifications — Material Grade: SUS303; System of Measurement: Metric; Material: Stainless Steel; Hub Type: No Hub; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S5.
KHK GEARS
Hubless Spur Gear: Module m 2, 60 Teeth, 15 mm Bore Dia, Stainless Steel, 20° Pressure Angle (MPN SUSA2-60). Key specifications — Material Grade: SUS303; System of Measurement: Metric; Material: Stainless Steel; Hub Type: No Hub; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S5.
Hubless Spur Gear: Module m 2.5, 45 Teeth, 20 mm Bore Dia, Stainless Steel, 20° Pressure Angle (MPN SUSA2.5-45). Key specifications — Material Grade: SUS303; System of Measurement: Metric; Material: Stainless Steel; Hub Type: No Hub; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S5.
KHK GEARS
Hubless Spur Gear: Module m 2.5, 45 Teeth, 20 mm Bore Dia, Stainless Steel, 20° Pressure Angle (MPN SUSA2.5-45). Key specifications — Material Grade: SUS303; System of Measurement: Metric; Material: Stainless Steel; Hub Type: No Hub; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S5.