Product Details
The IKO Shell Type Needle Roller Bearing, identified by part number BA3216ZOH, features a 2" bore, a 2-3/8" outer diameter (OD), and a 1" width. This drawn cup design consists of an outer ring made from accurately drawn thin special steel plate, along with needle rollers, and may include a retainer. The Shell Type Needle Roller Bearings are distinguished by their small sectional height and weight among needle roller bearings, offering relatively high load ratings. With a retainer, these bearings are suitable for high-speed applications as the retainer and thrust ring guide the rollers precisely. It is essential to note that these bearings are not pre-packed with lubricant, and proper lubrication must be applied during use. Typically, they are intended for use with shafts that do not have inner rings, recommending a shaft surface finish of 0.2 μm Ra or less and a shaft hardness of HRC 58 to 64. If these requirements cannot be fulfilled, the use of IKO inner rings is suggested. It is important to measure using standard mounting dimensions for shaft and housing diameters, as the outer ring's accuracy may be affected by heat treatment, preventing direct measurement due to its thin cross-section, with an outer ring width tolerance of +0 to -0.20 mm.
