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KHK GEARS Hubless Spur Gear: Module m 2, 40 Teeth, 12 mm Bore Dia, Nylon, 20° Pressure Angle - Hubless Metric Spur Gears
KHK GEARSHubless Metric Spur Gears

KHK GEARS Hubless Spur Gear: Module m 2, 40 Teeth, 12 mm Bore Dia, Nylon, 20° Pressure Angle

The KHK GEARS Hubless Spur Gear (Module m 2, 40 Teeth) is a metric nylon gear with a 12 mm plain bore, 20° pressure angle, and JIS N9 precision. Made from MC901-grade nylon in an S5 shape, this hubless design suits…

SKU 3G-OTH-724235

Brand
KHK GEARS
Item
Hubless Spur Gear: Module m 2, 40 Teeth, 12 mm Bore Dia, Nylon, 20° Pressure Angle
Category
Hubless Metric Spur Gears
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Technical Specifications

KHK GEARS
Manufacturer Part Number
PSA2-40
Type
Nylon, Plain Bore
Material
Nylon
Teeth
40
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
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KHK GEARS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KHK GEARS Hubless Spur Gear (Module m 2, 40 Teeth) is a metric nylon gear with a 12 mm plain bore, 20° pressure angle, and JIS N9 precision. Made from MC901-grade nylon in an S5 shape, this hubless design suits applications requiring a compact, lightweight spur gear.

Frequently Asked Questions

What is a KHK hubless spur gear used for?

This KHK hubless spur gear is used in compact power transmission applications where a lightweight, low-inertia nylon gear is needed. The hubless design allows for direct mounting on a shaft, making it suitable for automation, packaging machinery, and conveyor systems that require quiet operation and corrosion resistance.

What are the specifications of the KHK PSA2-40 hubless spur gear?

The KHK PSA2-40 is a metric hubless spur gear with module m 2, 40 teeth, a 12 mm plain bore, 20° pressure angle, and JIS N9 precision (JIS B1702-1:1998). It is made from MC901-grade nylon in an S5 shape, offering a lightweight, non-corrosive gear for moderate-load applications.

Where to buy KHK hubless spur gears worldwide?

3G Electric supplies KHK hubless spur gears worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the PSA2-40 or other KHK gear configurations.

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

To select a hubless spur gear, match the module (m 2) and pressure angle (20°) to the mating gear. Confirm the bore diameter (12 mm) fits your shaft, and verify the material (nylon MC901) meets load and environmental requirements. The JIS N9 precision class ensures adequate accuracy for general industrial drives.

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.

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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.
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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.
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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, 45 Teeth, 18 mm Bore Dia, Black Oxide Coated Carbon Steel, Plain Bore (MPN SSA2-45). 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.
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Hubless Spur Gear: Module m 2, 45 Teeth, 18 mm Bore Dia, Black Oxide Coated Carbon Steel, Plain Bore (MPN SSA2-45). 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, 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.
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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.
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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.
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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.
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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.
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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.