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multi-rowMulti-row or 4 row cylindrical roller bearings are primarily created and also made use of as roll-neck bearings in rolling mills. The four rows of rollers provides itself to bring large radial loads for the provided split ball bearing cross-section. American Roller's 4 row round roller bearings are created with contoured rollers with tight diametrical tolerances to maximize the capacity of this bearing to evenly disperse the load to all 4 rows. The most common types consist of the use of a machined brass finger cage or a machined mild steel finger cage. No suffix is required for the brass cage however the SM suffix is utilized for the steel. In bigger sizes, making use of a steel pin-type cage with hollow rollers is typical. Many outer race and also inner race setups and style types are offered to fulfill installation or interchangeability demands. Many four row round roller bearings are provided with C4 Inner Radial Clearance and also P5 Accuracy to perform well in these roll-neck applications.

Our patented Blended Bevel leading side on our Inner Races is conventional. This unique layout enables smoother installation of the Chock/Outer Race Roller Setting Up over the Roll installed Inner Race O.D. when robotic stand building devices is made use of. It can likewise aid when bigger chocks utilizing bearings of this style are placed utilizing above cranes. In applications calling for concentric grinding of the placed inner race and also roll body, an "RG" suffix is assigned to specify a race with additional supply for grinding. These bearings are likewise offered with a tapered birthed inner race for applications requiring greater precision or control of placed radial clearance. The suffix "K" marks a 1:12 or K30 designates 1:30 taper if needed. Four Row, multi-row bearings are frequently utilized in the primary steels market to roll ferrous and non-ferrous products. Made use of mostly on rolls in 2 high pole and also bar mills, and backup roll rolls on four high mills, these bearings are industry interchangeable and also are generally sold as Outer Race Roller Assemblies and also Inner Race Sets.

Multirow Layout