Enduro ABEC-5 Angular Contact Bearing 71903 17x30x7 color-lightning yellow D30 flexible material on medial

D30 flexible material on medial and lateral sides of collar hardens on impact for protection and shock absorption

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Enduro ABEC-5 Angular Contact Bearing 71903 17x30x7 color-lightning yellow D30 flexible material on medialSuper smooth, fast design with very low resistance 15 degree angular contact design is ideal for hub and bottom bracket applications where bearings are likely to experience side loads Single row cartridge bearing with self lubricating, nylon cage separated ABEC 5 balls Install with red seal facing out, 5 10lbs preload required 3rd party web sales (eBay, Amazon, etc.) are strictly prohibited by the manufacturer TECH SPECS bearing# 71903 ID x OD x W