| /S/ |
Special Heat Treatment (Black Oxidate Coating) |
| M |
Machined Brass Cage, Located On The Rolling Elements |
| MU1 |
Special Quality Control Specification |
| U303 |
The Code U303 In The Article Number Of An NSK Bearing Shows That It Was Specially Developed And Produced For Use In Wind Power Technology. These Wind Turbine Bearings Are Made From Premium, High-Purity Bearing Steels And Special Steels Used Exclusively By NSK. They Are Also Assembled In Separate Production Areas And Subject To Special Packaging Regulations, Which Prevent Contamination |
