What is a grease seal?
A grease seal, often called an oil or dirt seal, is a type of seal utilized to retain grease in a case or housing. Grease seals close spaces between stationary and moving components in mechanical equipment, helping prevent lubricant escape.
How do you measure a grease seal?
You’ll need a precision caliper to measure the hub bore to the nearest thousandth – to three decimal places such as 1.234. The 10-19 seal has an outer diameter of 2.565-inches. Next you’ll need to measure your spindle at the point where the grease seal rides.
What is difference between oil seal and grease seal?
Oil Seals are used to seal around a rotating shaft and keep an oil-based lubricant inside an axle, engine, etc. Grease seals are used to seal more viscous grease lubricants in rotary shaft applications.
What are oil seals made of?
An oil seal generally consists of an outer circular metal part and an inner flexible member that does the actual sealing and is bonded to the metal part by chemical adhesive agents. The sealing member is made of rubber, either synthetic or natural as the case may be.
What does TC mean on seals?
TC skeleton oil seal is a mechanical component used to seal oil. It isolates the parts of the transmission component that need to be lubricated from the output components so that lubrication and leakage are not allowed.
Are national seals any good?
Like mentioned earlier SKF and National are good seals, I myself have never had any issues using them, or Felpro seals. I really think that proper installation is the key, using the right lube or tools to install it also is the main thing.
Are national oil seals any good?
National Oil Seals, now under the Timken umbrella, are high quality products. National Oil Seals or other Timken products feature precision sealing designs that are well-matched for use with original equipment and in aftermarket applications as well.
Why is my trailer hub leaking grease?
Without proper lubrication the hub is getting hot. If this is a grease hub and you put oil in it then that would be why it would be leaking out. Or you overfilled the hub with grease and in doing so blew out the seal. Either way you need to replace the seal and repack the hub with grease properly.
