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Needle bearing / heavy-duty - ø 5 - 335 mm (0.1969 - 13.189")
The Koyo Heavy Duty Needle Roller Bearings are available in 5mm to335 mm bore. They have outer rings that are machined and ground level shaped that are complemented by needle rollers that are guided and retained by a cage. The thick outer ring enables a high load capacity and resistance to shock with a very small radial cross section. These bearings are available in various metric and inch sizes together with various design features such as side flanges, separate end washers, integral seals, oil holes, single or double cage sets, rollers and inner rings. They are used for various applications such as automotive transmissions, two-cycle engines, gear pumps and sheaves. They are also capable of retaining lubrication and attaining maximum speed.