Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	High-Strength Nylon
Color	Black
Coupling Type	Internal Gear Sleeve
Outer Diameter	52 mm
Inner Diameter	25 mm
Total Length	85 mm
Weight	145 grams
Temperature Resistance	-20°C to 80°C
Compatibility	Universal Motor/Oil Pump Connectors
Package Quantity	1 Piece

5 reviews

Anonymous

Mar 19, 2026

Rating: 5/5

Exact OEM Replacement

Fit my vacuum pump perfectly. The nylon feels durable and the gear teeth align smoothly.

Anonymous

Mar 08, 2026

Rating: 4/5

Good Value

Works well for the price. Installation was straightforward but required a bit of force.

Anonymous

Feb 28, 2026

Rating: 5/5

Fast Shipping

Part arrived quickly and was exactly as described. Pump is running quiet again.

Anonymous

Feb 19, 2026

Rating: 4/5

Solid Performance

Been using for two months without issues. Slightly tighter fit than expected.

Anonymous

Jan 28, 2026

Rating: 5/5

Sturdy Construction

Replaced a broken plastic part with this. Much stronger and handles vibration well.

5 FAQ

Q: Does it come with screws or clips?

A: No, this is a press-fit sleeve coupling. It does not require additional fasteners.

Q: Is this material resistant to oil?

A: Yes, the high-grade nylon is resistant to most standard lubricating oils used in vacuum pumps.

Q: Do I need special tools to install?

A: No special tools are required, but a rubber mallet may help seat the coupling gently.

Q: What is the maximum RPM rating?

A: This coupling is rated for standard industrial vacuum pump motor speeds up to 3000 RPM.

Q: Will this fit a 24mm shaft?

A: This model is designed for a 25mm inner diameter. Please measure your shaft before ordering.

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