The Spitfire Burner Bearings are a true high performance precision speed bearing. Designed specifically for skateboarding, they're impact resistant with removable nylon cages, heat resistant with high carbon chromium steel rings, sport super polished honed races, and are built to last, guaranteed.
- Set of 8 Bearings
- ABEC 7
- Polished Honed Races
- Impact Resistant Removable Nylon Cages
- Heat Resistant w/ High-Carbon Chromium Steel Rings
ABEC 7 - The ABEC scale is essentially a measurement of bearing tolerance for high precision bearings as dictated by the Annular Bearing Engineering Committee (ABEC). The scale runs from ABEC 1 through ABEC 9 using odd integers only. Essentially, the higher up on the scale a bearing is rated the tighter the tolerance is.
Tighter bearing tolerance means that the bearing moves with less resistance at high speeds, giving you a bit more roll for your push. In general most ABEC 3 or ABEC 5 bearings have steel races (shell of the bearing) with hardened steel ball bearings, and most ABEC 7 or ABEC 9 bearings feature steel races with super hard (much harder than steel) ceramic or titanium bearings.