INA – Sealing rings

 

Sealing rings are designed as contact seals. They protect the bearing position against contamination, spray water and the excessive loss of grease.

Sealing rings are matched to the small radial dimensions of drawn cup needle roller bearings and needle roller bearings. They are very easy to fit, since they are simply pressed into the housings bore.

Sealing rings, single lip: Sealing rings G and GR are single lip seals made from synthetic NBR elastomer (colour: green.)

The design GR is suitable for shaft diameters up to 7mm as standard and has a external steel reinforcement for stiffening purposes.

Sealing rings G are suitable for shaft diameters over 8mm and have a rubber-encased steel reinforcement for stiffening purposes with a wave-shaped rubber profile. This provides good sealing on the outside diameter. At the same time, it also reduces the forces required for fitting.

Sealing rings, double lip: Sealing rings SD have a contact lip and a non-contact dust shield lip facing the shaft (on the marked side). They comprise two plastic components. The seal carrier is made from reinforced polyamide (colour: black), while the seal lip area is made from thermoplastic PU elastomer (colour: green).

Sealing rings SD can also be used as wipers on shafts with axial motion. Stroke speeds up to 3m/s are possible, dependent on the condition of the shaft.

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To learn more or to speak to a specialist at SUMMERS® about this product , please complete the form below or call us on 0800 055 6663





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