For higher pressure applications. Impellers are mounted between supporting bearings. Outboard bearings are a matched set, one for radial loads, the other for thrust loads. Inboard bearing absorbs a share of the radial load. The blower is coupled to a standard shaft motor or a belt drive can be optionally furnished.

美国SPENCER Four Bearing Outboard
高压力应用。叶轮安装在支承轴承。外置轴承是匹配的，一个用于径向负荷，其他的推力负荷。内侧轴承吸收份额的径向负荷。风机连接到一个标准的电机轴或皮带驱动可随意布置。