A 38x56x12 mm TC double-lip seal moulded in NBR nitrile rubber: the Oil Seal 38x56x12 NBR TC restores tight sealing on 38 mm shafts and 56 mm bores used in industrial motors, speed reducers, hydraulic pumps and farm equipment.
Size and material details
| Inner diameter (shaft) | 38 mm |
| Outer diameter (bore) | 56 mm |
| Width | 12 mm |
| Seal type | TC — double lip, rubber covered, garter spring |
| Material | NBR – Nitrile |
| Temperature range | -30 °C … +100 °C |
About the TC profile
Three features define the TC type: the rubber outer case that fills small bore imperfections, the garter-spring-loaded lip that maintains contact under runout, and the auxiliary lip that acts as a dirt barrier.
Material: NBR – Nitrile
NBR (Nitrile) is the standard compound for general industrial sealing. It handles mineral oils, greases and hydraulic fluids, which is why it is the default choice in gearboxes, electric motors and pumps. Keep it away from brake fluid, and store spare seals out of direct sunlight.
Measuring your shaft a few tenths under the nominal figure is expected; the spring-loaded lip is built to seal with that small interference.
Purchase and delivery notes
- Price is for 1 piece — order any quantity, no minimum; listed in US dollars.
- Any import duty or tax imposed by your country is the buyer’s responsibility and excluded from our prices.
- Flat-rate shipping to every country · tracking number sent by email.
- For a size check, How to measure an oil seal walks you through it, or send us your dimensions for free advice.
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