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KHK GEARS Hubless Spur Gear: Module m 2.5, 50 Teeth, 15 mm Bore Dia, Nylon, 20° Pressure Angle - Hubless Metric Spur Gears
KHK GEARSHubless Metric Spur Gears

KHK GEARS Hubless Spur Gear: Module m 2.5, 50 Teeth, 15 mm Bore Dia, Nylon, 20° Pressure Angle

The KHK GEARS Hubless Spur Gear (SKU 793DR9, MPN PSA2.5-50) is a metric spur gear with module m 2.5, 50 teeth, a 15 mm plain bore, and a 20° pressure angle. Made from MC901 nylon with a JIS N9 precision class (JIS…

SKU 3G-OTH-724467

Brand
KHK GEARS
Item
Hubless Spur Gear: Module m 2.5, 50 Teeth, 15 mm Bore Dia, Nylon, 20° Pressure Angle
Category
Hubless Metric Spur Gears
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Technical Specifications

KHK GEARS
Manufacturer Part Number
PSA2.5-50
Type
Nylon, Plain Bore
Material
Nylon
Teeth
50
Bore Dia
15 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 (SKU 793DR9, MPN PSA2.5-50) is a metric spur gear with module m 2.5, 50 teeth, a 15 mm plain bore, and a 20° pressure angle. Made from MC901 nylon with a JIS N9 precision class (JIS B1702-1:1998) and S5 gear shape, this hubless design is suited for applications requiring a lightweight, non-metallic gear. 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments — with specialist depth in combustion, pumps and controls — ensuring you get the right answer, not just a catalog.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a KHK hubless spur gear used for?

This KHK hubless spur gear is used in light-duty power transmission where a non-metallic, low-noise gear is needed. Common applications include packaging machinery, office equipment, and conveyor systems. Its MC901 nylon construction resists corrosion and reduces weight, making it suitable for food-contact or washdown environments.

What are the specifications of the KHK PSA2.5-50 spur gear?

The KHK PSA2.5-50 is a metric hubless spur gear with module m 2.5, 50 teeth, a 15 mm plain bore, and a 20° pressure angle. It is made from MC901 nylon, has a JIS N9 precision class (JIS B1702-1:1998), and an S5 gear shape. The bore is plain (no keyway).

Where to buy KHK gears in worldwide?

3G Electric supplies and delivers genuine KHK gears worldwide. We handle full logistics and customs clearance, sourcing across 14 industrial departments including power transmission. Contact us for pricing and lead time on this PSA2.5-50 hubless spur gear or any KHK metric gear.

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

Select a hubless spur gear by matching module (m), number of teeth, pressure angle, and bore diameter to your shaft and mating gear. For metric systems, confirm the module and pressure angle (typically 20°). The KHK PSA2.5-50 uses a 15 mm plain bore; ensure your shaft fits without a keyway.

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.
KHK GEARS
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 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.
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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.