Are Timken and national seals the same?

Are Timken and national seals the same?

National seals are distributed through The Timken Company and are stocked in their Crossville, Tennessee warehouse, as well as Bearing Service, Inc.

What is seal size?

The seal size is measured from the outer surface of the liner. The shaft diameter plus liner determine which seal size is required. For example, an STA 170 means a total diameter of 170 millimetres with shaft and liner. In this example, the shaft diameter is between 146-160 millimetres.

How do you measure a seal?

On the back side of the “seal head” (the end which fits towards the “spring”), measure the inside diameter. This will determine the seal size diameter – which is either the shaft size or the sleeve size that the seal fits over. The front side of the seal usually has a black carbon face.

Does Timken own national?

Timken will market and sell National(R) industrial seals under the Timken brand, in Timken packaging.

Do you grease oil seals?

Both the shaft and the Oil Seal have to be lubricated with oil or grease in advance. This eases the assembly and ensures lubrication from the beginning. If Oil Seals with fixed dust lips are being used, the space be- tween the sealing lip and the dust lip may also be filled max. 40% with grease.

Who owns national seal?

Today the Secretary of State is the custodian of our national symbol, the Great Seal of the United States. The seal is impressed upon documents such as treaties and commissions, and it is also found on documents such as U.S. passports and the reverse of the $1 bill.

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.

Can you reuse wheel bearing seal?

If you are replacing bearings it is usually best to replace the grease seals as well because although they may still be in good shape, it’s very hard to get them out without damage which is needed to change the inner bearing. If you can remove it without damage and it’s still in good shape then by all means reuse.

Can you reuse bearing seals?

To answer your question about replacing vs reusing the seals. Any time you pull the rear bearing, you have to remove the seal to get the bearing out of the hub. That means you run the risk of deforming the seal. When reinstalled, there’s a good chance it won’t “seal” properly against the axle shaft.

How do you read a seal number?

How to measure oil seals

  1. Metric Oil Seals.
  2. Imperial Oil Seals.
  3. (remember the first number is always the outside diameter)
  4. 137 62 25 = 5/8″ inside x 1.3/8″ outside x 1/4″ wide.
  5. 187 125 25 = 1.1/4″ inside x 1.7/8″ outside x 1/4″ wide.
  6. 150 250 37 = 1.1/2″ x inside 2.1/2″ x outside 3/8″ wide.

What does a seal eat?

All seals eat other animals, and most rely on fish caught out at sea. But a few species break the mold. For instance, leopard seals make a living hunting down penguins and even other seals.

Why choose Timken industrial seals?

Creating the most advanced seals for heavy industrial markets requires quality materials. Timken industrial seals are manufactured using special elastomers that are engineered for high-abrasion resistance, low wear and outstanding temperature and chemical resistance.

Who is the registered trademark of Timken?

© 2001 The Timken CompanyWORLDWIDE LEADER IN BEARINGS AND STEEL Printed In the U.S.A. 60M-12-01-11 Order No. 7533 Timken®is the registered trademark of The Timken Company. SEALS Inch/Metric V-Seals Oil Bath Seals KWIK-Sleeves™ – Components Seal Kits O-Rings TIMKEN A LEADER IN SEAL TECHNOLOGY US $10

Why choose Timken bearings?

No one knows bearings and how to protect them, better than Timken. Our complete line of high-performance oil seals and bearing isolators are specifically engineered for long life and high performance in the toughest applications.

Where can I get more information about a Timken installation?

The following information pertains to standard installations. If you have a special installation or need advice, contact your Timken sales representative. For more information on both seal and bearing damage analysis, go to