PORTABLE BLOWER FANS help ventilate and cool manholes, tanks and crawl spaces. Made using durable steel housing with a yellow finish. These Exhaust fans are lightweight and portable with an easy-carry handle. Powder coated steel blade guards enclose housi
Axial load and radial load for this design are loaded by different rollers, in which the axial load and tilting moment are loaded by two groups of horizontal placed rollers, the radial load is loaded by one group of vertical placed rollers.