6011HT270 High Temp 270C High Speed Open Deep Groove Ball Bearing 55x90x18mm Max 615rpm

HT270 Series High-Temperature Range Deep Groove Ball Bearings: With an operating range from minus 25 degrees up to plus 270 degrees Celsius these bearings are ideally situated in arduous conditions where rapid temperature changes are expected, refrigeration and baking equipment being a good example. Of standard ball bearing construction with an increased radial clearance to compensate for thermal expansion, they are manufactured without seals or shields. The bearings have a BLACK MANGANESE PHOSHPATE coating to the bearings outer surfaces
Benefits: Wide operating temperature range, can be re-lubricated