Designation system
The designations of most SKF rolling bearings follow a system that may consist of a basic designation with or without one or more prefixes and/or suffixes (→ Basic bearing designation system).
An example and the applicable options for cam rollers are given below.
Example
| 305803 C-2Z
| where | 305803 C = |  |
| -2Z = |  |
 | Prefixes (n.a.) |
|
| Basic designation |
| 3612.. R
| Single row cam roller with an NBR contact seal on both sides
|
| 3057.. C
| Double row cam roller with a cylindrical (flat) outer ring running surface
|
| 3058.. C
| Double row cam roller with a crowned outer ring running surface
|
| Suffixes - Internal design (n.a.) |
| Suffixes - External design (seals, snap ring groove, etc.)
|
| -2RS1 | NBR contact seal on both sides |
| -2Z | Sheet steel shield on both sides |
| Suffixes - Cage design (n.a.) |
