1. Double row deep groove ball bearings feature higher load ratings which compared to single row bearings, but they are very sensitive to misalignments.
2. This series have the latest design(suffix B) without filling slots.These bearings are fitted with polyamide cages,(suffix TN) as standard, also pressed steel cages are available.But,some of these bearings may have filling slots which limit the ability to support thrust loads.
OEM custom design are accepted.