SKF Thermoplastic Elastomer Polyester Four-Lip Ring Seal 55 mm ID 80.5 mm OD TSN 512 L

SKF TSN 512 L is a four-lip ring seal constructed from thermoplastic elastomer polyester, engineered for a precise fit on shafts with a 55 mm inside diameter and 80.5 mm outside diameter. This ring seal provides an airtight barrier, protecting plummer block housings from contaminants such as dust and dirt.

The seal's sturdy TPE material ensures high resistance to chemicals, making it suitable for heavy-duty industrial applications where reliable sealing performance is essential. By compressing the two halves of the seal together, a pollutant-proof barrier is created that effectively prevents lubricant leakage, contributing to extended maintenance intervals and operational efficiency.

Thanks to its four-lip design, the seal produces less friction compared to two-lip alternatives, enhancing equipment smoothness and reliability. It is commonly applied in conveyor belt systems, mechanical power transmissions, and packaging equipment, where durable sealing against contamination improves machine uptime.

For environments with high contamination risk, the TSN 512 L seal can be integrated as part of SKF’s three-barrier solution, which combines the ring seal with housing cavity grease and specialist sealed bearings. This configuration has been shown to triple the mean time between bearing failures, significantly enhancing equipment lifespan.

Precise 55 mm shaft fit ensures effectiveness. Thermoplastic elastomer polyester material provides chemical resistance. Four-lip design reduces friction during operation. Prevents lubricant leakage for longer maintenance cycles.

Widely used in conveyor belts and mechanical transmissions. Protects against dust and dirt in industrial settings. Compatible with SKF three-barrier sealing systems.

This ring seal is an essential component for industrial, manufacturing, and mechanical power transmission equipment requiring robust sealing solutions to maintain operational reliability. Browse our Industrial Tools & Equipment category for additional SKF Seals and gasket products.