White Paper on Bearing Seals and Shields including ZZS; ZZ; 2RS; 2RU; 2VS; TTS; Rubber Seals; Felt Seals; and Shrouded Seals.
This kind of ball bearing has a spherical outer race, allowing the axis of the bearing to An R8-2RS bearing, for example, has an 8/16th or 1/2 inch bore.
Suffix 2RS, 2RSH, 2RS1, LLU, DDU, 2RSR, EE Bearing with two rubber seals. Example 6205 LLU Suffix Z, ZR Bearing with one metal shield. Example 6205 ZR
Bearing Numbers Explained. (1) Prefix *Note: Each bearing company may create their own prefixes. The example at the header shows a 6001 2RS bearing.