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Home / Couplings / NL Nylon Internal Gear Sleeve Coupling Nylon Sleeve Hydraulic Internal Gear Ring Connection Sleeve Gear Coupling Sleeve Gear

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Couplings
Origin -
Material High-Strength Nylon (PA66)
Application Hydraulic Gear Pumps and Motors
Connection Type Internal Gear Sleeve Coupling
Operating Temperature -40°C to +120°C
Torque Capacity Medium Duty Industrial Range
Chemical Resistance Resistant to Hydraulic Oils and Grease
Noise Reduction Low Vibration and Quiet Operation
Installation Slip-fit Internal Spline Design
Durability Wear-Resistant for Continuous Use
Compatibility Standard SAE and Metric Splines

6 reviews

A

Anonymous

Mar 29, 2026

Rating: 4/5

Good quality, runs quieter

Noticed a significant reduction in noise after swapping the metal coupling for this nylon one. It handles the torque well for my application. Only giving 4 stars because shipping took a bit longer than expected.

A

Anonymous

Mar 21, 2026

Rating: 5/5

Durable and reliable

We use these in our workshop for various motor connections. They hold up well against hydraulic fluid exposure and don't seem to degrade over time like cheaper alternatives.

A

Anonymous

Mar 20, 2026

Rating: 5/5

Perfect fit for my hydraulic pump

This nylon sleeve was exactly what I needed to replace the worn-out part on my log splitter pump. The internal gears meshed perfectly with no play. Installation took less than ten minutes.

A

Anonymous

Mar 19, 2026

Rating: 4/5

Solid product

Does exactly what it is supposed to do. The nylon material is thick and feels robust. Make sure to check your spline count before ordering to ensure compatibility.

A

Anonymous

Mar 19, 2026

Rating: 5/5

Great replacement part

Saved me from having to replace the entire coupling assembly. The sleeve fits snugly inside the gear ring and transmits power efficiently without slipping.

A

Anonymous

Mar 18, 2026

Rating: 5/5

Excellent value

Much more affordable than buying OEM parts directly from the pump manufacturer. Performance is identical, and the machine is running smoothly again.

5 FAQ

Q: Do I need special tools to install this?

A: No special tools are required. The sleeve features a slip-fit design that allows for easy hand installation onto the internal gear splines, though a rubber mallet may help if the fit is tight.

Q: Can this be used in outdoor equipment exposed to rain?

A: While the nylon itself is water-resistant, the coupling assembly should be housed within the pump or motor casing. Ensure the main housing seals are intact to prevent direct water ingress.

Q: Is this compatible with mineral-based hydraulic oils?

A: Yes, the PA66 nylon material used in this sleeve is highly resistant to mineral-based hydraulic oils and common lubricants.

Q: What happens if the sleeve wears out?

A: Over time, normal wear may occur. If you notice increased vibration, noise, or slippage, the sleeve should be replaced. One of the benefits of this design is that you can replace just the sleeve rather than the whole coupling.

Q: What is the maximum RPM this sleeve can handle?

A: This nylon sleeve is designed for standard industrial hydraulic applications, typically handling speeds up to 3000 RPM depending on the specific pump model and load conditions.

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