Castrol Spheerol HTB2 is a high temperature, Bentone Clay based grease designed for all types of bearings for both automotive and industrial applications. The Bentone Clay base grease helps provide protection through a wide temperature range and is ideal for peak temperatures up to 140°C. Spheerol HTB2 is also suitable for applications requiring heavy load and shock resistance. It is important to note, due to the Bentone Clay base, Castrol Spheerol HTB2 is not compatible with other types of grease.