Advanced Oil Groove Steel Bushing Design for Efficiency

Our Oil Groove Steel Bushing is a standout among our Precision Bushings and Industrial Bushings, built to excel in tough heavy-duty machinery like excavators, loaders, and agricultural equipment.   Forged from premium 40Cr or 42CrMo steel, it undergoes quenching and tempering to achieve a substrate hardness of HB260–300, ensuring robust structural integrity. Its inner surface is precision-machined with honeycomb-shaped oil storage pockets, which, paired with a high-quality polymer coating, create an efficient self-lubricating system that drastically cuts friction and wear. After finish machining, it receives specialized QPQ salt-bath nitriding treatment, boosting surface hardness to HV0.1>600 and delivering a hardened layer depth of 0.2–0.4mm for superior durability. With neutral salt spray resistance of 500–1000 hours, it offers long-lasting corrosion protection. This bushing combines large oil storage capacity, low lubricant consumption, and exceptional wear resistance, making it…

Oil Groove Steel Bushing Steel Bushing Series Pin Shaft Series Engineering Machinery Pin Shaft