1214eTN9/C3 - SKF Double Row Self Aligning - 70x125x24mm Continental W-800 - ContiTech SilentSync Belt It has an optimized internal

It has an optimized internal design

Medium 55mm - Bore Size Improved Internal Design Rubber Seals on Both Sides of Bearing Steel Cage Internal Clearance Greater Than Normal

This 6210 2RS1NR SKF bearing is a Sealed Deep Groove Radial Ball Bearing with a snap ring groove in the outer ring and an appropriate snap ring

NU 22 07 E M1 Two Flanges on Outer Ring and No Flanges on Inner Ring Light

1214eTN9/C3 - SKF Double Row Self Aligning - 70x125x24mm Continental W-800 - ContiTech SilentSync Belt It has an optimized internal12 14 e tn9 c3 Metric, Extra Narrow Series 70mm Bore Size Optimised Internal Design Open Type Plastic Cage C3 Clearance