Questions about Bearings, Antifriction, Unmounted
What does federal supply class 3110 cover?
Federal supply class 3110 covers unmounted antifriction bearings, meaning bearings supplied as the bearing alone rather than built into a housing. Items filed here include ball bearings and annular ball bearings, as well as tapered, self-aligning, needle, and thrust roller bearings.
How is a part in federal supply class 3110 identified?
The type of bearing is part of the item name on each federal record, and each NSN carries the characteristics on file and the manufacturer cross-references for that exact bearing. Each item in the class has its own National Stock Number (NSN) record, listed above.