| 摘要 |
A rolling bearing (1) for electric corrosion prevention, comprising a metal outer ring (2) and a metal inner ring (3) that is arranged via a plurality of rolling bodies (5). A ceramic thermal spray coating film (10) for preventing electric corrosion is formed, by plasma spraying, on the outer surfaces (21, 31) of the outer ring (2) or inner ring (3). The ceramic thermal spray coating film (10) has: a film thickness of 50-100 µm; a composition of 60-98 wt% aluminum oxide and 2-40 wt% titanium oxide; a volume resistance adjusted to 106-1013 &OHgr;cm; and increased durability so as to maintain insulation properties but not completely isolate current. |
