The RR series is intended for medium duty applications
This series offers economy in price, space requirements and weight in medium thrust applications
The RR Series rings are covered by Mil Spec, Mil-R-27426 and Aerospace Standard AS3217 & AS4299. They will comply with these specs when specified on purchase orders or drawings
With regards to the RR series retaining rings, only one size of the available 85 sizes is listed in this database. This is done so you are made aware that they are available for order should circumtances demand these types of retaining rings be installed in your machinery