Suffix description

• R Single Row, Counterbored Outer Ring, Radial Type Bearing, 15° Contact Angle
• DS These “Universal” Bearings Are A Special Version Of The Precision Bearings And Are Intended For Paired Mounting. They Are Adjusted During Manufacture So That They May Be Mounted Immediately Adjacent To Each Other In A Back-To-Back, Face-To-Face Or Tandem Arrangement As Desired. When Arranged Back-To-Back Or Face-To-Face, The Bearings Will Have A Light Preload
• BKE Machined Phenolic Composition (Bakelite)
• #7 ABEC-7 Tolerances