This TC rotary shaft seal measures 12 × 30 × 8 mm and is built for a 12 mm shaft running in a 30 mm housing — a size often found in small motors, power tools, pumps and instrument gearboxes.
Specifications
| Inner diameter (shaft) | 12 mm |
| Outer diameter (bore) | 30 mm |
| Width | 8 mm |
| Seal type | TC — double lip, rubber covered, garter spring |
| Material | FKM – Viton |
| Temperature range | -20 °C … +200 °C |
About the TC profile
A TC seal does two jobs at once. The spring-loaded primary lip keeps oil or grease inside; the smaller auxiliary dust lip keeps dirt and splash away from the sealing edge. The rubber-coated outer diameter seals the bore without additional sealant and tolerates minor bore imperfections.
Material: FKM – Viton
FKM (Viton®) keeps sealing where NBR gives up: continuous heat, hot oils, fuels and many aggressive chemicals. It is the right choice near engines, in hot gearboxes and wherever elevated temperature ages ordinary rubber within months. Note that FKM is not recommended for hot water or steam service.
Between two listed sizes? Send us your shaft and bore measurements before ordering and we will confirm the right one.
Ordering & delivery
- Sold per piece — no minimum order, priced in US dollars.
- Prices exclude any import duties or taxes; if your customs authority charges them, they are the buyer’s responsibility.
- One flat shipping rate worldwide · tracking number by email.
- Not sure this is the right size? See how to measure an oil seal, or send us your dimensions — pre-sale size checks are free.
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