Description
When you’re rebuilding one of those tough Cummins 6-cylinder diesels and the crankshaft journals have been turned undersize, you need main bearings sized to match. This undersized bearing set is exactly what you need to get that 6-590, 6T-590, or 6TA-590 CDC-B series engine back to running strong. No guesswork—just the right fit for a proper rebuild.
What You’re Getting
- Complete main bearing set sized 0.5mm undersize for machined crankshafts
- Quality construction that handles the power and stress of these industrial engines
- Proper oil clearances restored for reliable lubrication throughout the engine
- All bearings needed for one complete main bearing replacement job
Built for Real Work
These Cummins CDC-B series engines are workhorses found in irrigation pumps, generators, and industrial equipment that runs day and night. When you’re counting on that engine to keep water flowing to crops or power running to critical operations, you need bearings that can take the heat and keep on working.
Made to Last
Engine bearings take the hardest beating of any part in your engine, supporting the full weight and power of that spinning crankshaft. These bearings are manufactured to handle the demanding conditions these Cummins engines face, whether it’s continuous duty or stop-and-go operation.
Installation Notes
Make sure your crankshaft has been properly machined to 0.5mm undersize before installing these bearings. Check your connecting rod bearings too—if you’re doing mains, it’s a good time to replace the rods as well. Proper torque specs and assembly lube are critical for bearing life.
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