The Oil Seal 45x70x8 NBR TC (45x70x8 mm) renews the sealing on a 45 mm shaft where grease or oil must stay in and grit must stay out — a typical fitment in large reducers, belt-conveyor pulleys, slurry pumps and construction machinery.
Specifications
| Inner diameter (shaft) | 45 mm |
| Outer diameter (bore) | 70 mm |
| Width | 8 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
TC is the standard rotary-shaft profile for good reason: a rubber OD seals the bore side, a spring-loaded lip seals the shaft side, and a dust lip extends service life in dirty environments.
Material: NBR – Nitrile
The seal lip is moulded from NBR, a nitrile rubber prized for resistance to mineral oil, grease and hydraulic fluids — the default elastomer for general machinery. It should not meet brake fluid, and stored spares fare best away from UV light.
Don’t worry if your micrometer shows the shaft a few tenths under size — the garter-sprung lip is designed to seal against exactly that condition.
Purchase and delivery notes
- 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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