RA Power Solutions supplies undersized bearings and crankpin bearings for marine and power plant engines for YANMAR, MAN, DAIHATSU, and MAK. We also have standard bearings for various engine models.
If the crankshaft journal is ground smaller than the standard size, undersized bearings are required. The bearing must match the crankshaft's final diameter to maintain proper clearance and ensure the engine runs smoothly.
We also provide YANMAR 6N18AL-DN/DV bearings for engines with a normal journal diameter of about 145 mm.
Bearing selection is done after grinding the crankshaft diameter. Then the correct main bearing or crankpin bearing is chosen according to the final size and necessary clearance.
Availability of the bearing depends on the engine model and the size of the bearing needed.
Comprehensive Stock of Undersize Bearings
We maintain an extensive inventory of undersize bearings for the following engine models:
Undersized bearings of Yanmar diesel engine model 6N18AL-DN/DV having a diameter of 145 mm.
Available Bearings in Our Stock | Qty |
0.40MM Undersized Crankpin Bearings | 8 Pairs |
0.80MM Undersized Crankpin Bearings | 10 Pairs |
1.20MM Undersized Crankpin Bearings | 8 Pairs |
1.60 MM Undersized Crankpin Bearings | 8 Pairs |
2.00MM Undersized Crankpin Bearings | 10 Pairs |
2.40MM Undersized Crankpin Bearings | 4 Pairs |
2.80MM Undersized Crankpin Bearings | 4 Pairs |
Undersized Bearings of MAN CME 5L 16/24 Standard diameter: 130 mm
Available Bearings in Our Stock | Qty |
Standard Crankpin Bearings | 6 Pairs |
0.50MM Undersized Crankpin Bearings | 6 Pairs |
1.00 MM Undersized Crankpin Bearings | 10 Pairs |
1.50 MM Undersized Crankpin Bearings | 6 Pairs |
2.00MM Undersized Crankpin Bearings | 7 Pairs |
2.50 MM Undersized Crankpin Bearings | 7 Pairs |
Undersized Bearings of Daihatsu 5DK20 Standard Diameter-170 mm
Available Bearings in Our Stock | Qty |
Standard Crankpin Bearings | 6 Pairs |
0.50MM Undersized Crankpin Bearings | 6 Pairs |
1.00 MM Undersized Crankpin Bearings | 6 Pairs |
1.50 MM Undersized Crankpin Bearings | 6 Pairs |
2.00MM Undersized Crankpin Bearings | 6 Pairs |
2.50 MM Undersized Crankpin Bearings | 4 Pairs |
3.00MM Undersized Crankpin Bearings | 2 Pairs |
3.50MM Undersized Crankpin Bearings | 2 Pairs |
4.00MM Undersized Crankpin Bearings | 2 Pairs |
5.00 MM Undersized Crankpin Bearings | 2 Pairs |
Undersized Bearingsof Daihatsu 5DC-17 Standard Diameter-145 MM
Available Bearings in Our Stock | Qty |
0.50MM Undersized Crankpin Bearings | 7 Pairs |
1.00 MM Undersized Crankpin Bearings | 6 Pairs |
1.50 MM Undersized Crankpin Bearings | 20 Pairs |
2.00MM Undersized Crankpin Bearings | 7 Pairs |
2.50 MM Undersized Crankpin Bearings | 7 Pairs |
3.00MM Undersized Crankpin Bearings | 6 Pairs |
4.00MM Undersized Crankpin Bearings | 6 Pairs |
Undersized Bearings of Yanmar Diesel Engine Model: YANMAR-S 185L (140 mm)
Available Bearings in Our Stock | Qty |
1.6MM Undersized Crankpin Bearings | 5 Pairs |
2.00MM Undersized Crankpin Bearings | 5 Pairs |
0.80MM Undersized Crankpin Bearings | 3 Pairs |
1.20MM Undersized Crankpin Bearings | 3 Pairs |
Undersized Bearings of Daihatsu Model 8DKM28 having standard diameter of 235 mm
Available Bearings in Our Stock | Qty |
Standard Crankpin Bearings | 3 Pairs |
0.50MM Undersized Crankpin Bearings | 4 Pairs |
1.00 MM Undersized Crankpin Bearings | 3 Pairs |
1.50 MM Undersized Crankpin Bearings | 2 Pairs |
2.00MM Undersized Crankpin Bearings | 2 Pairs |
2.50 MM Undersized Crankpin Bearings | 2 Pairs |
Undersized Bearings of Daihatsu Model 6DL-16 having standard diameter of 120 mm
Available Bearings in Our Stock | Qty |
2.00MM Undersized Crankpin Bearings | 3 Pairs |
2.50 MM Undersized Crankpin Bearings | 3 Pairs |
3.00MM Undersized Crankpin Bearings | 3 Pairs |
Undersized Bearings of MAK Model 8M20 having standard diameter of 152 mm
Available Bearings in Our Stock | Qty |
Standard Crankpin Bearings | 2 Pairs |
1.00 MM Undersized Crankpin Bearings | 1 Pair |
1.50 MM Undersized Crankpin Bearings | 2 Pairs |
2.00 MM Undersized Crankpin Bearings | 2 Pairs |
Undersized Bearings of MAN 9ASL 25/30 Standard diameter of 195mm
Available Bearings in Our Stock | Qty |
2.50 MM Undersized Crankpin Bearings | 1 Pair |
3.00 MM Undersized Crankpin Bearings | 2 Pairs |
4.00 MM Undersized Crankpin Bearings | 2 Pairs |
Undersized Bearings of MAN 6L 23/30 H having a standard diameter of 185 mm
Available Bearings in Our Stock | Qty |
Key Position *12.5 x 15.5* |
0.50MM Undersized Crankpin Bearings | 6 Pairs |
1.00 MM Undersized Crankpin Bearings | 4 Pairs |
1.50 MM Undersized Crankpin Bearings | 3 Pairs |
2.00MM Undersized Crankpin Bearings | 3 Pairs |
3.00MM Undersized Crankpin Bearings | 3 Pairs |
4.00MM Undersized Crankpin Bearings | 3 Pairs |
5.00 MM Undersized Crankpin Bearings | 3 Pairs |
|
Key Position *7.7 x 10.7 * |
0.50MM Undersized Crankpin Bearings | 1 Pairs |
1.00MM Undersized Crankpin Bearings | 4 Pairs |
1.50MM Undersized Crankpin Bearings | 3 Pairs |
2.00MM Undersized Crankpin Bearings | 5 Pairs |
2.50MM Undersized Crankpin Bearings | 6 Pairs |
3.00MM Undersized Crankpin Bearings | 3 Pairs |
4.00MM Undersized Crankpin Bearings | 3 Pairs |
5.00MM Undersized Crankpin Bearings | 3 Pairs |
Swift Response to Urgent Needs
We understand the importance of minimizing engine downtime. Our undersized crankpin bearings are ready for immediate dispatch worldwide. Many times, we provide bearings along with our technicians, which makes it easier to start using the engine right away after the repair. This approach significantly reduces downtime and enhances operational efficiency for our clients. We have established arrangements with leading logistics companies such as DHL and FedEx, ensuring that bearings can be delivered to any part of the world in the shortest possible time.
Image Showing extensive inventory of undersize bearings for different type of engine models
Our expert team possesses over 47 years of experience in crankshaft repairs, specializing in onsite crankshaft inspection and in situ crankshaft grinding services. We have successfully undertaken repairs for various engine models, adhering to stringent industry standards and ensuring the longevity and reliability of engine components.
Our services are available in Greece, Nigeria, Turkey, Russia, Dubai, and other locations worldwide.
Contact us today for premium-quality bearings for Yanmar, Daihatsu, MAK, and MAN engines. Please email us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 / +91 9810012383.
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