ENDURO ABEC-5 Cartridge Bearing - MR 15307 - 15 x 30 x 7
Bearings meeting the ABEC-5 standard. High precision Grade 10 balls are within 5/1,000,000″ round.
- High-carbon chromium alloy races
- Grade 10 balls
- Protective gray LLU seal facing outward, towards the elements, to reduce contamination from water or dirt
- Lighter-contact (less seal-drag) black LLB seals facing inward keep the 90% fill Mobil XHP 222 high pressure grease where it belongs