machinery

[sunrise111]

1 cast housings ???
контекст:
Sprockets and wheels are mounted on shafts of large diameter which rotate in bearings mounted in cast housings.

2 wheels unit???

3 A simple, positive lock pin arrangement???
контекст:
A simple, positive lock pin arrangement to retain dovetail type vanes in the runner head. Your maintenance personnel will be able to replace vanes quickly without the necessity of special tools.

[CEO]

cast housings - литые корпуса