... tapered roller bearing production: Single row taper roller bearing series:1) Single row 2) Single row, paired ... outer rings Double row tapered roller bearing series:1) Double-row, inch series & metric series2) Double-row, TDO configuration ... tapered rollerbearings available anywhere in the world.Series:Metric series, inch series, ISO series, non-standard series and diameter according to Timken, FAG, ...