The right 14x40x10 shaft seal for the job: the Oil Seal 14x40x10 NBR TC is a spring-loaded TC lip seal, 14x40x10 mm, in oil-resistant NBR nitrile — built for 14 mm shafts and 40 mm bores found in micro motors, angle grinders, cooling pumps and compact gear reducers.
Dimensions & specifications
| Inner diameter (shaft) | 14 mm |
| Outer diameter (bore) | 40 mm |
| Width | 10 mm |
| Seal type | TC — double lip, rubber covered, garter spring |
| Material | NBR – Nitrile |
| Temperature range | -30 °C … +100 °C |
Why the TC profile is so widely used
The TC arrangement — rubber-covered case, garter-spring main lip, external dust lip — is the industry’s go-to solution wherever a shaft spins in an oil-filled housing.
Why NBR for this seal
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.
If your shaft measures a few tenths of a millimetre under the nominal size, that is normal — the sealing lip is designed with interference for exactly that.
Ordering & delivery
- Individual pieces, no minimum order — checkout in US dollars.
- Our prices do not cover customs duties or taxes your country may apply; those fall to the buyer.
- One worldwide flat shipping fee · every parcel tracked, number emailed.
- Before you buy, confirm the fit: measuring guide or free dimension check.
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