American Roller Bearing AD4732D IR Four-Row Cylindrical Roller Bearing Inner Race 7.8740 x 8.8899 x 7.559 in Factory Sealed

Used in rolling mill applications requiring heavy radial load capacity, the American Roller Bearing AD4732D IR is a four-row cylindrical roller bearing inner race engineered for roll-neck service in rod mills, bar mills, and backup roll stands. The part number AD4732D designates the four-row multirow design series from American Roller Bearing Company, with the IR suffix identifying this component as the inner race set. Dimensions confirmed from the original manufacturer label: bore (ID) 7.8740 in., inner race outside diameter (OD) 8.8899 in., and width (W) 7.559 in. The manufacturer's internal reference number 102161393 is also present on the label. American Roller Bearing Company has produced heavy-duty anti-friction bearings from their Hickory, North Carolina facility since 1911, with multirow cylindrical bearings supplied with C4 internal radial clearance and P5 accuracy as standard for roll-neck applications. This inner race is new in its original manufacturer box, strapped and labeled with quantity of one. Made in the USA is clearly indicated on the label. This item is compatible with the corresponding AD4732D outer race roller assembly sold separately, and is interchangeable with industry-standard bearings of matching dimensions from other manufacturers. Applicable industries include primary metals, hot and cold rolling mills, steel production, and heavy industrial drive systems requiring sustained radial load capacity.

Stock # 0526-02185