This TC oil seal measures 40x50x10 mm and is machined for a 40 mm shaft rotating inside a 50 mm housing — a dimension you will meet in workshop motors, helical gearboxes, vane pumps and tractor attachments.
Specifications
| Inner diameter (shaft) | 40 mm |
| Outer diameter (bore) | 50 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
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.
NBR nitrile rubber at a glance
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
- 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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