NTN 6309LLB/5K NonContact Deep Groove Ball Bearing with Low Friction Seals 45x100x25mm partsautozone UNIQUE ADVANTAGE Breathable

Non Contact Rubber Sealed Deep Groove Ball Bearings: One ofthe most commonly used bearings, these types are manufactured withrubber seals inserted into the outer raceway and in contact with theinner race providing protection against the ingress of moisture, dustand other foreign matter and serve to retain the pre-filled grease inthe bearing. Seals can be easily removed for applications that only require 1 seal.
Benefits: Prevents moisture and dirt getting into the bearing, lubricated for life