6308HT330 High Temp 330C Open Deep Groove Ball Bearing 40x90x23mm Max 80rpm

HT330 Series High Temperature Bearings: Manufactured with a steel cage to further enhance the bearings performance, supplied un-shielded are designed for high temperatures up to + 330 degrees Celsius and down to - 30 degrees Celsius. At temperatures over + 200 dry lubrication pertains. Designed for low speeds at temperature without maintenance. Internal clearance is increased to compensate expansions and all have a BLACK PHOSPHATE COATING
Benefits: High temperature resilience, low maintenance, can be re-lubricated