Marine steel stern roller for tug boat has single and double stern rollers. They are custom-built to fit each vessel and are designed for anchor handling and towing operations. It reduces frictional resistance during towing and anchoring of the vessels. It protects the poop deck and stern frame against serious wear down and damage. The stern roller is widely used in ship towing, anchoring of oil platform, ship salvage, and cable laying, and is combined usage with Shark Jaw and towing pin.
Main Technical Specification;
Dimensions: Diameter up to 5,000 mm, length up to 9,000 mm
Roller Type: Straight roller, Waist rollers, Grooved rollers
Type: single or double rollers configuration
SWL Range: Up to 700 tons line tension
Materials: Mild Steel, C-Mn Steel, High tensile strength steel;
Application Ship Type: AHTS, Tug boat, engineering working vessel, multi-function anchoring vessel, towing vessel,
Lubrication: Manually or automatic greasing, or water lubrication bush, spherical roller bearings or composite bearings;
Non-Destructive Testing: Magnetic Particle Testing, Ultrasonic Testing, Penetrant Testing
Surface treatment: Synthetic layers after sandblasting to S2.5 + one layer of epoxy shop primer, Galvanized, customized surface treatment available.
All products can be designed according to customer’s requirements
Classification Certificates:CCS, NK, BV, ABS, DNV-GL, LR, KR, IRS, RS, Etc.