ENDURO MR172872RSCN Rubber Sealed Deep Groove Ball Bearing 17x28x7mm

Enduro Rubber Sealed Deep Groove Ball Bearings: One of the most commonly used bearings, these types are manufactured with Grade 10 balls, full-contact dual-lip, labyrinth (LLU) seals facing outwards to withstand the daily abuse of use and the elements, and lighter-contact LLB seals facing inwards to contain the 90% fill Mobil XHP 222 high-pressure water-proof synthetic grease. CN clearance specification is best for looser press-fit bearing bores.
Benefits: Prevents moisture and dirt getting into the bearing, lubricated for life