| MA |
Machined Brass Cage, Outer Ring Guided |
| DB |
Two Single Row Deep Groove Ball Bearings, Single Row Angular Contact Ball Bearings Or Single Row Taper Roller Bearings Matched For Mounting In A Back To Back Arrangement; The Letter(S) Following The DB Indicate The Magnitude Of The Axial Internal Clearance Or Preload In The Bearing Before Mounting; For Paired Taper Roller Bearings The Design And Arrangement Of The Intermediate Rings Between The Inner And/Or Outer Rings Are Identified By A Two-Figure Number Which Follows Immediately After DB |
| CA |
Small Axial Internal Clearance (deep Groove And Angular Contact Ball Bearings |
