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Connecting rod bushing for New Holland B110 and B115

The connecting rod bushing for New Holland B110 and B115 engines is made from chrome-moly alloy steel with surface heat treatment and hardening to withstand cylinder pressures up to 20 MPa and operating temperatures up to 250 degrees Celsius. The internal diameter ranges from 50 to 52 millimeters, with a length of approximately 60 millimeters. The contact surfaces with the shaft and connecting rod are finished to 0.01 millimeter smoothness. Wear-resistant coating and nitriding treatment extend the service life up to 12,000 operating hours. Surface hardness ranges from 58 to 62 Rockwell C, and the friction coefficient with the crankshaft is controlled between 0.08 and 0.11.

In the design of the New Holland B110 and B115 bushing, oil distribution is engineered to ensure uniform friction and efficient heat transfer to the oil. Mechanical resistance to instantaneous shock reaches 1200 Nm. Each bushing weighs approximately 0.25 to 0.3 kilograms and is mounted directly on the connecting rod using a standard groove. Chemical resistance to engine oil and additives is guaranteed up to 95 percent, and thermal deformation is limited to less than 0.03 millimeters.
WEBSITE: Connecting rod bushing for New Holland B110 and B115 Iran