Stern tube bearing grease guns are specialized tools used to lubricate stern tube bearings in marine vessels. These systems ensure smooth operation and reduce friction in the propeller shaft bearings. They are designed for precision application to maintain optimal performance and longevity of the bearings.

Stern Tube Bearing Grease Guns:

- Size: Typically 400-600 ml capacity

- Grade: NLGI 2 or NLGI 3

- Viscosity: 150-220 cSt at 40°C

- Buoyancy: Water-resistant formulation

- Material: High-pressure steel or aluminum body, nitrile seals

Stern Tube Lubrication Systems:

- Size: 5-50 liters reservoir capacity

- Grade: NLGI 2 or EP (Extreme Pressure) grease

- Viscosity: 200-320 cSt at 40°C

- Buoyancy: Marine-grade, anti-washout properties

- Material: Stainless steel or corrosion-resistant alloys

Grease Specifications:

- Base Oil: Mineral or synthetic

- Thickener: Lithium complex or polyurea

- Operating Temp: -20°C to +120°C

- Pressure Rating: Up to 10,000 psi (grease guns)

- Compatibility: Suitable for white metal bearings

Stern Tube Bearing Grease Guns and Lubrication Systems typically comply with maritime standards such as ISO 15378, ISO 6743-9, and manufacturer-specific certifications. For precise compliance details, refer to the product specifications or manufacturer documentation.