Choose the Oil Seal 25x55x10 NBR TC when a 25 mm shaft in a 55 mm housing needs a reliable double-lip barrier. Its 25x55x10 mm size is a regular in electric motors, gearboxes, pumps and agricultural machinery.
Specifications
| Inner diameter (shaft) | 25 mm |
| Outer diameter (bore) | 55 mm |
| Width | 10 mm |
| Seal type | TC — double lip, rubber covered, garter spring |
| Material | NBR – Nitrile |
| Temperature range | -30 °C … +100 °C |
Inside the TC double-lip design
The TC layout brings three protections together: a rubber outer surface that grips the housing bore, a garter-spring lip that tracks slight shaft movement, and a secondary dust lip that blocks grit before it reaches the sealing edge.
Why NBR for this seal
Material-wise this is NBR nitrile: a balanced compound for mineral oil, diesel-range fuels and greases at moderate temperatures — ideal for rotating equipment. Two cautions: no exposure to glycol-based brake fluid, and keep stock seals out of sunlight.
Measuring your shaft a few tenths under the nominal figure is expected; the spring-loaded lip is built to seal with that small interference.
Order details
- Each listing is for one seal — no MOQ, all prices in US dollars.
- Import duties or taxes, if levied by your customs, are paid by the buyer and are not included in the price.
- Worldwide shipping at a single flat rate, with a tracking number emailed to you.
- To double-check the size, read how to measure an oil seal or contact us with your dimensions — size checks before purchase are free.
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