A bearing is a machine element that constrains relative motion and reduces friction between moving parts to only the desired motion. The design of the bearing may, for example, provide for free....

When part numbers are missing, seal dimensions are unknown, and the parts themselves are unavailable from the equipment OEM, these o-ring kits can save the day, not to mention hours of downtime. More....

For demanding sealing applications when customers require the very best, Kalrez ® parts manufactured only by DuPont Performance Elastomers, are the elastomer seals of choice. Supplied in standard O....

A unique measuring cone and circumference " Pi" tape provide quick and easy o-ring sizing information to determine the nearest standard Parker O-ring size. Please note: the cone and tape do not....

Parker O-Lube is a petroleum-based grease recommended for use with polyacrylate, Vamac, neoprene, fluorosilicone, nitrile, HNBR, polyurethane, fluorocarbon, Aflas, Hifluor, and Parofluor o-ring....

Parker Super-O-Lube is a silicone fluid recommended for use with all rubber materials. Only a thin film of Super-O-Lube should be used with silicone rubber to prevent seal damage.

A mechanical seal is a device which helps join systems or mechanisms together by preventing leakage ( e.g., in a plumbing system) , containing pressure, or excluding contamination. A seal may also be....

In most types of reciprocating engines, a valve guide is provided for each poppet valve in the cylinder head.

A type of seal. An O-ring is a round elastomeric ring, ideally suited to be a compressed, static seal between non-moving parts. O-rings can be used as a face seal on a valve, and used on rotating....

These unique double-ended tools make life easier for those who have to frequently install or remove o-rings from hydraulic or pneumatic cylinders and equipment.

An encapsulated O-ring is a two-component circular seal with a round cross section. The elastomers impart memory to the seal and are encapsulated in a teflon jacket. The encapsulation protects the....