Bearings are sold individually and not in pairs.

See more info below about the "CN" internal clearance specification of this bearing. Note that this wheel bearing has a grey "LLU" outer seal that is a medium contact double-lip seal to help keep contaminants out. The black inner seal (faces toward the inside of your hub) is an "LLB" light contact double-lip seal.

This bearing (and its C3 clearance counterpart) is the Best all steel bearing for wheel hubs.

DIMENSIONS ....... 20mm x 32mm x 7mm
INTERNAL CLEARANCE RATING: CN (tighter inner clearance for looser press-fit bearing bores)
SEALS ...... "LLU" outer and "LLB" inner
BALL MATERIAL .....Chromium Steel
BALL GRADE ............... 5
RACES ........ Chromium Steel
APPLICATION .... Wheel Hub
GREASE ... Realube Bearing Compound