Bores are sealed with ‘O’ rings' sited in grooves, (figure 1). The ‘O’ rings' are usually of toroidal shape (i.e. circular cross section) and are regulated by BS 1806 and BS 4518. Figure 1. ‘O’ Ring ...

• Magnetic bearings support rotating shafts in five axes without solid or fluid lubricants. • Advances in electronics allow previously bulky controllers to mount on or near rotating machinery. • ...

Shaft seals are used on rotating, reciprocating, and oscillating shafts to contain oil and grease and exclude contaminants. Known as oil or radial lip seals, shaft seals can also contain pressure or ...