Product Description
This portfolio features genuine-equivalent replacement parts for two flagship Rolls-Royce anchor winch models, engineered to meet strict marine classification society standards (ABS, DNV, Lloyd’s Register) for offshore and commercial vessel applications. Every part is manufactured from high-grade industrial materials—heat-treated alloy steel for rivets and bearings, friction-optimized composite for brake linings, corrosion-resistant stainless steel for chains and seals—to withstand harsh saltwater, high-torque operational stress, and extreme temperature fluctuations (-20°C to 60°C). Each component is laser-inspected for dimensional accuracy and load-bearing performance, ensuring seamless installation without modification to the existing winch assembly.
Key Functional Specifications
- Braking System Components: Brake linings deliver consistent static friction coefficient (0.45-0.55) for secure anchor holding; high-shear brake rivets provide 120kN tensile strength to prevent lining detachment under heavy load.
- Rotational & Load-Bearing Parts: Precision roller bearings reduce rotational friction by 40% compared to standard bearings, supporting maximum winch load capacities; heavy-duty chains meet Grade 3 marine tensile standards for reliable anchor line guidance.
- Lubrication & Sealing Components: Corrosion-proof grease nipples ensure consistent lubricant delivery to critical moving parts; high-pressure roller seals prevent saltwater intrusion and lubricant loss, extending component lifespan by 50%.
- Wear & Support Components: Precision-machined roller bushings maintain alignment of winch rollers, while specialized cracker components facilitate smooth winch clutch engagement and disengagement.
Structural Characteristics
All replacement parts are engineered for direct OEM interchangeability, with identical mounting holes, thread specifications, and dimensional profiles to the original Rolls-Royce components. Brake linings feature layered composite construction for uniform wear distribution; rivets are cold-forged for enhanced structural integrity; bearings utilize sealed precision rolling elements to reduce maintenance frequency; bushings and seals are molded from wear-resistant polymers to resist saltwater corrosion and mechanical abrasion. The modular design of these parts allows for targeted component replacement rather than full winch overhauls, cutting maintenance labor costs and reducing vessel off-hire time.
Applicable Operating Conditions
These Rolls-Royce anchor winch parts are built to perform in the harshest marine and offshore operating scenarios, including:
- Offshore drilling rigs and semi-submersible vessels with constant anchor mooring requirements
- Commercial cargo ships, offshore support vessels, and tugboats operating in open ocean and coastal waters
- Saltwater environments with high humidity, corrosive spray, and heavy wave action
- High-cycle anchor deployment/retrieval operations (up to 200 cycles per day)
- Temperate and extreme climate zones, from arctic offshore fields to tropical marine operations
Maintenance & Servicing Recommendations
To maximize the service life of Rolls-Royce MW 160E-S/CU1G3 and MW 500/52 E HWF 52 anchor winches and replacement parts, adhere to these industry-leading maintenance protocols:
- Regular Inspection Schedule: Conduct visual inspections of brake linings, rivets, and bearings every 50 operating hours; measure brake lining thickness quarterly, replacing when worn to 50% of original thickness.
- Lubrication Protocol: Grease all fittings via designated grease nipples every 100 operating hours using marine-grade lithium complex grease (NLGI 2 rating) to prevent friction and corrosion.
- Load Testing: Perform static load testing of brake systems and chains semi-annually to verify compliance with 150% of rated working load standards.
- Seal & Bushing Checks: Inspect roller seals and bushings for cracks or wear every 200 operating hours, replacing immediately to prevent water intrusion and bearing failure.
- Record-Keeping: Document all part replacements, inspections, and maintenance activities to maintain compliance with marine regulatory requirements and optimize future procurement planning.
We supply the following spare parts:
| # | Name | Drawing | |
| 1 | Rolls-Royce MW 160E-S/CU1G3 Anchor Winches, No. 41470/41471, No. 41472/41473 | Brake lining A6567340 | |
| 2 | Rolls-Royce MW 160E-S/CU1G3 Anchor Winches, No. 41470/41471, No. 41472/41473 | Brake lining A6567340 | |
| 3 | Rolls-Royce MW 160E-S/CU1G3 Anchor Winches, No. 41470/41471, No. 41472/41473 | Brake rivet A6567335 | |
| 4 | Rolls-Royce MW 160E-S/CU1G3 Anchor Winches, No. 41470/41471, No. 41472/41473 | Brake rivet A6568990 | |
| 5 | Anchor Rolls-Royce MW 160E-S/CU1G3 winches, № 41470/41471, № 41472/41473 | Chain A 6490219 | |
| 6 | Rolls-Royce MW 160E-S/CU1G3 anchor winches, № 41470/41471, № 41472/41473 | Cracker E54212450-0-000 | |
| 7 | Rolls-Royce MW 160E-S/CU1G3 anchor winches, № 41470/41471, № 41472/41473 | Roller bearing A 6141515 | |
| 8 | Rolls-Royce MW 160E-S/CU1G3 anchor winches, № 41470/41471, № 41472/41473 | Grease nipple A 6648957 | |
| 9 | Anchor winches Rolls-Royce MW 160E-S/CU1G3, № 41470/41471, № 41472/41473 | Grease nipple A 6648104 | |
| 10 | Rolls-Royce anchor winches MW 500/52 E HWF 52 № 39485, 39486 with roller | Brake lining 5104351—01 | |
| 11 | Rolls-Royce anchor winches MW 500/52 E HWF 52 № 39485, 39486 with roller | Brake rivet 6568984 | |
| 12 | Rolls-Royce anchor winches MW 500/52 E HWF 52 № 39485, 39486 with roller | Brake rivet 6567335 | |
| 13 | Rolls-Royce anchor winches MW 500/52 E HWF 52 № 39485, 39486 with roller | Chain A6490219 | |
| 14 | Rolls-Royce anchor winches MW 500/52 E HWF 52 № 39485, 39486 with roller | Cracker 5200017—01 | |
| 15 | Rolls-Royce anchor winches MW 500/52 E HWF 52 № 39485, 39486 with roller | Roller bearings 6143407 | |
| 16 | Rolls-Royce anchor winches MW 500/52 E HWF 52 № 39485, 39486 with roller | Roller bearings 6347400 | |
| 17 | Rolls-Royce anchor winches MW 500/52 E HWF 52 № 39485, 39486 with roller | Roller bushings 5406855 | |
| 18 | Rolls-Royce anchor winches MW 500/52 E HWF 52 № 39485, 39486 with roller | Roller bushings 5406856 | |
| 19 | Rolls-Royce anchor winches MW 500/52 E HWF 52 № 39485, 39486 with roller | Roller bushings 5406859 | |
| 20 | Rolls-Royce anchor winches MW 500/52 E HWF 52 № 39485, 39486 with roller | Roller seal 6359428 | |
| 21 | Rolls-Royce anchor winches MW 500/52 E HWF 52 № 39485, 39486 with roller | Grease nipple 6648104 | |
| 22 | Rolls-Royce anchor winches MW 500/52 E HWF 52 № 39485, 39486 with roller | Grease nipple 6648105 | |
| 23 | Rolls-Royce anchor winches MW 500/52 E HWF 52 № 39485, 39486 with roller | Grease nipple 6648103 |
On-Site Fault Repair Cases (Real-World Scenarios)
Case 1: MW 160E-S/CU1G3 Anchor Winch Brake Failure
An offshore support vessel experienced inconsistent anchor holding due to worn brake linings and loose rivets on a Rolls-Royce MW 160E-S/CU1G3 winch. Technicians replaced 4 sets of A6567340 brake linings and 86 A6567335 rivets, restoring braking friction coefficient to OEM standards. The repair eliminated anchor slippage and allowed the vessel to resume mooring operations within 4 hours without full winch disassembly.
Case 2: MW 500/52 E HWF 52 Winch Bearing Seizure
A drilling rig encountered roller bearing seizure on a MW 500/52 E HWF 52 anchor winch, halting anchor retrieval. Fault analysis revealed saltwater intrusion and failed seals. Maintenance teams replaced 4 sets of 6143407 roller bearings and 6359428 roller seals, resolving friction issues and restoring smooth winch rotation. Post-repair testing confirmed bearing operating temperature dropped by 30°C, eliminating overheating risks.
Case 3: MW 160E-S/CU1G3 Winch Lubrication System Blockage
A commercial cargo ship reported insufficient lubrication to winch moving parts, causing premature wear on rollers and bushings. Clogged grease nipples were identified as the root cause. Replacing 15 A6648957 and 20 A6648104 grease nipples restored consistent lubricant flow, reducing component wear rate and extending time between routine maintenance by 30%.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible with all serial numbers of Rolls-Royce MW 160E-S/CU1G3 and MW 500/52 E HWF 52 winches? | Yes, these replacement parts are engineered to fit the specified serial number ranges (41470/41471, 41472/41473 for MW 160E-S/CU1G3; 39485, 39486 for MW 500/52 E HWF 52) and match OEM dimensional and material specs for full compatibility. |
| What is the expected service life of these anchor winch replacement parts? | Under normal operating and proper maintenance conditions, brake linings last 800-1000 operating hours, bearings and seals offer 2000+ operating hours of service, and rivets/chains provide long-term durability matching OEM component lifespan. |
| Can these parts be installed without specialized winch repair tools? | Most components (grease nipples, rivets, seals) can be installed with standard marine maintenance tools; brake linings and bearings may require basic winch service equipment, with no custom modification needed for installation. |
Procurement Guidance & Closing Statement
For vessel operators and procurement teams seeking reliable, high-quality replacement parts for Rolls-Royce MW 160E-S/CU1G3 and MW 500/52 E HWF 52 anchor winches, this parts lineup offers a fully compliant, cost-effective solution to reduce downtime, enhance operational safety, and extend the service life of critical mooring equipment. Each component is backed by rigorous quality testing and technical specifications that align with global marine industry standards, serving as both a trusted procurement reference and a technical troubleshooting guide for maintenance teams. Whether addressing urgent breakdown repairs or planning scheduled maintenance stock, these parts ensure your anchor winch systems operate at peak performance, mitigating safety risks and minimizing operational disruptions. Reach out to secure the exact replacement components your Rolls-Royce anchor winches require, tailored to your model specifications and operational needs.
