1. Available in two designs: single direction and double direction.
 2. To accommodate initial misalignments in an assembly both designs are available with spherical aligning seats or aligning seat washers.
 3. High quality steel-ultra clean steel to extend bearing life by up to 80%.
 4. Advanced Grease Technology —  lubricants that can extend grease life and performance.
 5. High Grade Balls — Quiet and smooth operation even at high speed.
 6. Optional seating rings take initial misalignment.