What do the numbers on oil seals mean?
The standard format is Inner size, Outer size, Width, all measured in millimeters. So, for example, a metric oil seal stamped with 25 45 5 has an inner ring size of 25mm, an outer measurement of 45mm, and a width of 5mm. This number may also be preceded by the letters SC or TC, which indicate the lip arrangement.
Who makes national oil seals?
The Timken Company
National seals are distributed through The Timken Company and are stocked in their Crossville, Tennessee warehouse, as well as Bearing Service, Inc.
Where are national oil seals made?
Included in the sale were oil seal manufacturing facilities in Athens, Alabama, USA (established 1973) and Naucalpan, Mexico (established 1954).
How do I find my oil seal number?
How to Find an Oil Seal Number by Size
- Measure the diameter of the shaft in inches.
- Open an oil seal catalog like the one available on the websites for Garlock or Timken, two large manufacturers of oil seals.
- Look for the size of your shaft in the catalog.
Does national make good seals?
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.
What are oil seals used for?
Oil seals – often called grease, fluid or dirt seals – close spaces between stationary and moving components in mechanical equipment, helping prevent lubricant escape. They also stop harmful contaminants from entering machinery, particularly in severe environments.
What is the function of oil seal?
Oil seals are used to protect shafts and bearings from ingress of dirt and foreign matter and egress of oil or grease. 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.
What is a CR seals cross-reference for oil seals?
A CR seals cross-reference is a tool for finding compatible oil seals from the seal manufacturer Chicago Rawhide’s competitors. Chicago Rawhide is a subsidiary of SKF and does not have a standalone cross-reference for its oil seals.
How to find the part number of a CR seal?
Search by Part No. allows for look-up of any SKF CR Seals Part Number that is part of the current CR Seals Handbook. Just enter the part number and click Search. The desired displayed units of Inch or Millimeters can be selected. This search feature will also link any old / superseded part number to their current CR Seals Part Number.
Where can I find a spindle seal cross reference?
Spindle Seal Cross-Reference Dexter # Transcom # National # NOK # Chicago Rawhide # Lippert 010-054-00 22333VB 442109 AF3135G1 22550 122088 Double Lip vs. Single Lip Seal This double lip seal provides …
How to interchange a grease seal with a SKF number?
In some cases more than one SKF number appears as an interchange. Example: A1805A495R-STD…………..29906 or 480300 Items with a symbol • are Scotseals or Scotseal components. Where a grease seal can be used as an option, listing is as follows. Examples: • 35066 •39420
Which is part of a Napa oil seal?
Oil & Grease Seals / By Specification – H/D Truck NAPA Oil Seals / SKF (CR) Part #: NOS 22505 Line: NAPA Oil Seals
Search by Part No. allows for look-up of any SKF CR Seals Part Number that is part of the current CR Seals Handbook. Just enter the part number and click Search. The desired displayed units of Inch or Millimeters can be selected. This search feature will also link any old / superseded part number to their current CR Seals Part Number.
In some cases more than one SKF number appears as an interchange. Example: A1805A495R-STD…………..29906 or 480300 Items with a symbol • are Scotseals or Scotseal components. Where a grease seal can be used as an option, listing is as follows. Examples: • 35066 •39420
How many oil seals are in a Stemco cross?
Description SKF Cross Stemco Cross 370001A 37 Series Oil Seal 35058, 35066 308-0836, 382-8036 370003A 37 Series Oil Seal 47692, 47697 392-9131, 393-0273