THIS IS A DOUBLE-ROW BEARING. Both rows are full-complement ("MAX") making it an extremely strong bearing for pivots.

DIM .... 12mm x 21mm x 8mm
SEALS ....Dual-lip medium/high contact
BALL MATERIAL ........ Chromium Steel
BALL GRADE ............10
RACES ........ Chromium Steel
APPLICATION ...... Suspension Pivots
GREASE ..... CRC Marine Grease

Used on certain Trek frames.