Suffix description

• B High Capacity & Higher Speed (Replaces “A” Type)
• DT Two Single Row Deep Groove Ball Bearings, Single Row Angular Contact Ball Bearings Or Single Row Tapered Roller Bearings Matched For Mounting In A Tandem Arrangement
• PN7A ISO Class 4 (Abec 7) Modified; More Stringent Standard For Axial Runout Uxx Or Pss - Special Accuracy Class Or Features