A 45x75x8 mm TC double-lip seal moulded in NBR nitrile rubber: the Oil Seal 45x75x8 NBR TC restores tight sealing on 45 mm shafts and 75 mm bores used in large reducers, belt-conveyor pulleys, slurry pumps and construction machinery.
Size and material details
| Inner diameter (shaft) | 45 mm |
| Outer diameter (bore) | 75 mm |
| Width | 8 mm |
| Seal type | TC — double lip, rubber covered, garter spring |
| Material | NBR – Nitrile |
| Temperature range | -30 °C … +100 °C |
How the TC design works
As a TC-pattern seal it seals in two stages: a primary spring-loaded lip holds the oil film on the shaft, while a second lip fends off dust and water spray; the rubber-covered case keeps the whole unit anchored in the bore.
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.
Should the shaft read slightly below the listed size — typically a few tenths of a millimetre — no concern: the lip’s interference fit accounts for it.
Order details
- Sold individually — buy one or one hundred, all prices in USD.
- Where customs charges duties or taxes on entry, the buyer covers them; they are not part of our pricing.
- Ships worldwide at one flat rate · tracking number provided by email.
- For sizing help, use how to measure an oil seal or send us your dimensions — free pre-sale checks.
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