Bearings, seals and couplings for the marine and fishing industry

Bearings for the marine and fishing industry are exposed to very demanding conditions. Constant humidity, salt and temperature changes accelerate corrosion and wear. Therefore, selecting the right bearing is key to avoiding unplanned downtime.

In applications such as propeller shafts, winches, onboard cranes or fish processing equipment, spherical roller bearings are often used due to their ability to withstand combined radial and axial loads and to compensate for misalignments. Stainless steel deep groove ball bearings are another frequent option when corrosion resistance is required.

Sealing is also important. Radial seals protect the bearing from water, salt and contaminants, and retain lubricant. Proper lubrication with greases specifically for marine environments extends the component's service life.

Spherical roller bearings are widely used in the marine industry for their robustness and self-aligning capability. They withstand heavy loads and are tolerant to shaft misalignments, common in marine structures subjected to bending and vibrations.

In our catalog we work with a wide range of spherical roller bearings from recognized brands. For example, SKF models 22325 and 22361, or FAG models 20222-MB and 20240-MB. We also distribute LINK-BELT options, such as 6203U and 22318.

If you are replacing a bearing in a winch, propulsion system or deck equipment, we quote the exact part. We only need the code, measurements or a photo of the damaged bearing.

SNL split housings are a practical solution for mounting bearings on transmission shafts. Being in two halves, they allow inspection and replacement of the bearing without dismantling the entire shaft, reducing maintenance time.

In marine applications, these housings are used in shaft lines, pumps and compressors. We work with SKF SNL housings, such as SNL 211 and SNL 216, which adapt to different shaft diameters and load conditions.

When choosing an SNL housing, it is important to verify compatibility with the bearing and sealing system. We help you select the right assembly for your application.

Stainless steel deep groove ball bearings are ideal for marine environments where corrosion is a constant risk. Stainless steel offers good resistance to saltwater and many chemical agents present in the fishing industry.

We distribute SKF stainless steel bearings, such as W 627 and W 608. These models are compact and suitable for low and medium load applications, such as electric motors, small pumps and processing equipment.

Although stainless steel is not immune to stress corrosion in certain environments, its use significantly reduces maintenance and replacement frequency compared to carbon steel bearings.

Radial seals are critical components in marine and fishing equipment. Their function is to prevent water, salt and abrasive particles from entering the bearing housings, and to retain lubricant.

We work with seals from brands such as DBH and SKF. Some examples from our catalog are DBH seals 1289 and 5069, and SKF seals 8796 and 1850. We also offer FAG options, such as 32332.

When quoting a seal, it is essential to indicate the dimensions (inner diameter, outer diameter and width) or the manufacturer's code. If you don't have the data, you can send us a photo and we will help you identify it.

Couplings are elements that connect two shafts to transmit power, compensating for misalignments and absorbing vibrations. In the marine industry they are used in propulsion systems, pumps, generators and deck machinery.

We distribute a variety of couplings, including elastic, gear and disc couplings. The selection depends on the power to be transmitted, rotation speed and expected degree of misalignment.

If you are replacing a coupling in marine equipment, we quote the right option. Send us the data of the current coupling or the system characteristics and we will propose alternatives.

Lubrication is a key factor for the service life of bearings in marine environments. Special greases for marine applications must resist water washout, corrosion and high pressures.

We work with greases and lubricants from recognized brands, suitable for bearings, pillow blocks and other mechanical components exposed to humidity and salt. Proper lubrication reduces friction, dissipates heat and protects against rust.

When choosing a grease, consider the operating temperature, bearing speed and presence of water. We advise you to select the most suitable lubricant for your equipment.