Genuine 3801262 Main Bearing Set 0.50mm for Cummins NTA855 N14 Engines

Product Overview:

Cummins 3801262 is the +0.020 inch (+0.50mm) second-stage oversized main bearing set, specifically engineered for moderate crankshaft journal wear repair in NT855, NTA855 and N14 series diesel engines. It is the industry-standard choice for the second engine overhaul cycle.

Key Features:

✅recision +0.50mm oversized– exact fit for second-stage reground crankshafts

✅Enhanced tri-metal alloy – 15% higher load capacity than bimetallic bearings

✅Modified oil groove design – consistent lubrication for thicker bearing shells

✅11-piece complete assembly– all critical wear parts included in one set

✅CCEC original standard – ±0.002mm precision, uniform fit across all positions

Application：

✅Construction machinery (bulldozers, loaders)
✅200-400kW diesel generators
✅Marine propulsion & auxiliary engines
✅Oilfield fracturing trucks & drilling rigs

Why Choose Us?

✅Genuine CCEC standard, perfect fit for 855/N14 engines
✅Favorable wholesale price, big cost saving
✅Fast 24h delivery for in-stock goods
✅Full sizes in stock for quick selection
✅Professional technical guidance available
✅Worldwide safe shipping with tracking