If your 18 mm shaft is weeping oil, the Oil Seal 18x38x10 NBR TC — a TC spring-loaded seal at 18x38x10 mm — restores the barrier between the 38 mm housing and the outside world. A staple size for household appliance motors, power tools, aquarium pumps and small gear drives.
Technical specifications
| Inner diameter (shaft) | 18 mm |
| Outer diameter (bore) | 38 mm |
| Width | 10 mm |
| Seal type | TC — double lip, rubber covered, garter spring |
| Material | NBR – Nitrile |
| Temperature range | -30 °C … +100 °C |
About the TC profile
Its TC construction pairs a rubber-covered OD (a snug press-fit in the bore) with a spring-energised sealing lip and a separate dust lip, so both oil retention and contamination exclusion are covered.
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.
It is normal for a shaft to measure a few tenths of a millimetre smaller than nominal; the sealing lip is engineered to take up that difference.
Purchase and delivery notes
- 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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