When it comes to marine and diesel engines, we at R A Power Solutions know that accuracy and dependability are not optional; they are required. That’s why we’re happy to have a large inventory of undersized bearings and crankpin bearings in stock, available to ship right away. We make and store parts that fulfill the highest engineering standards for ships, power plants, and industrial generators.
Undersized Bearings in Stock – Ready for Dispatch
We currently stock high-quality undersized bearings for the following diesel and gas engine models:
YANMAR Diesel Engine Bearings
- 6N18AL-DN / DV — Diameter: 145 mm
- YANMAR S185L — Diameter: 140 mm
MAN Diesel Engine Bearings
- CME 5L 16/24 — Standard Diameter: 130 mm
- MAN 9ASL 25/30 — Standard Diameter: 195 mm
- MAN 6L 23/30 H — Standard Diameter: 185 mm
Daihatsu Diesel Engine Bearings
- 5DK20 — Standard Diameter: 170 mm
- 5DC-17 — Standard Diameter: 145 mm
- 6DL-16 — Standard Diameter: 120 mm
- 8DKM28 — Standard Diameter: 235 mm
Allen Engine Bearings
- PVBCS 12 F — Standard Diameter: 190.45 mm to 190.47 mm
Gas Engine Bearings
- DEUTZ MWMTBG32V16 — Diameter: 204.50 mm
MAK Diesel Engine Bearings
- 8M20 — Standard Diameter: 152 mm
Crankpin Bearings for Different Engine Models—Engineered by R A Power Solutions
Crankpin bearings play a crucial role in ensuring that large diesel engines operate smoothly. These bearings hold up the crankshaft journal so that it can turn under large loads and high temperatures. This is especially important in marine engines, power plants, and heavy-duty industrial generators.
High-Precision Manufacturing by R A Power Solutions
We design and supply custom crankpin bearings compatible with a wide variety of engine models and applications. With over 45 years of engineering excellence, we’ve become a globally trusted name in the reconditioning and supply of engine components. Our crankpin bearings are known for:
- OEM-standard manufacturing
- Precise fitting and clearances
- Long service life, even in extreme conditions
Commitment to Quality Service
At R A Power Solutions, quality is more than just a policy—it’s our promise. Our services are designed to provide not only parts but end-to-end support:
- Rigorous Quality Control
Every bearing is tested for tolerances, metallurgy, and durability before dispatch. - Technical Engineering Support
Our experienced technicians offer fitting assistance, on-site installation, and application analysis. - Global Reach & Fast Dispatch
With inventory in stock and a network of logistics partners, we deliver promptly worldwide. - Reliable Customer Support
Our team is available around the clock to assist with orders, queries, or technical guidance.
Get in Touch Today
Whether you need undersized bearings, crankpin bearings, or expert guidance on engine part replacements, R A Power Solutions is here to help.
FAQs
Customers often want to understand the specific conditions under which undersized bearings are recommended over standard ones.
This is a practical concern for engineers and ship owners who need precise bearing dimensions after crankshaft repair.
Reliability is a key concern, especially in heavy-duty marine applications where failure can be costly.
Some customers look for cost-saving options and need clarity on whether reused or new undersized bearings are necessary.
Many users have brand-specific engines and want assurance of compatibility and availability.
