SureSeal™ Drip-Free Self-Aligning Shaft Seal

Drip-free, self-aligning propeller shaft seal.

SailTrack Track & Slide Systems

Built to carry the increased loads and demands.

Rudder Port Bearings & Seals

Eliminates metal-to-metal contact.

Providing Essential Marine Components to the Marine Industry Since 1991


SureSeal & seriesOne Drip Free Shaft Seals

The Tides Marine SureSeal™ and seriesOne™ Shaft Seals are drip-free, self-aligning propeller shaft seals that are OEM equipment on many well known brands and types of vessels. The SureSeal supports propeller shaft sizes ranging from 1 inch up to 8 inches and from 25 millimeters to 160 millimeters.

Rudder Bearings and Seals

The Upper Rudder Bearing Standard (URB-STD) and the Upper Rudder Bearing-Low Profile (URB-LP) are both ABS and Lloyds approved, self-aligning design which accomodates up to 10 degrees of off-axis alignment between the mounting surface (rudder shelf) and the rudder stock. Tides Marine rudder bearings can be produced in custom sizes and lengths if needed

Track and Slide Systems

Tides Marine produces more than 150 different mast luff groove shapes (internal flat / internal round) as well as most common external track shapes. The track is UV stable, unaffected by salt water and available in seamless lengths to 64 feet. Measurements are done with our patented measuring discs which are sent out at no charge.


Shaft Seal Kits

Change SureSeal Lip Seal while in water.

Spare Seal Carrier Kits

Carrier Kits for SureSeal and StrongSeal.

Shaft Seal Housing

SureSeal and seriesOne.



Articulated Hose
Connect any SureSeal to a vessel’s stern tub.
Hose Clamps
316-stainless steel hose clamps.


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Rudder Systems

For boat-builders or retrofits by boat yards.

Upper Rudder Bearings

In low profile and standard profile.

Rudder Collars

Rudder Collars for use on power boats.


Download Our Catalogs

Products & Installation Guides


High-performance mainsail handling system.
Slides – Batten Cars
Small and large batten receptacles.
Track Accessories
Mast gate cover, connector & slide pin kits.



"Thank you for the excellent service and
the fact that you stand behind your products."

Bill H

"Thank you for the excellent service and
the fact that you stand behind your products."

Bill H

We have stories and testimonials from around the world. Read them.

Backed by the highest quality standards and certifications

Lead Times Update:

Due to increases in demand, current lead times have been extended.

Standard SureSeals and Rudder Bearings not in stock: 10-12 business days
Standard Upper Bearings not in stock: 12-15 business days
Custom Parts (excluding Sailtracks): 28 business days

Sailtracks: 7-10 business days

We appreciate your understanding.

Holiday Closure:

Please note that Tides Marine will be closed Wednesday, June 19th, in observance of Juneteenth.

Shipping will resume Thursday, June 20th.

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