CATEGORY 2-MATERIALS PROCESSING
Anti-friction bearings and bearing systems, as follows, and components therefor:
Note:
2A001 does not apply to balls with tolerances specified by the manufacturer in accordance with ISO 3290 as grade 5 or worse. (L.N. 161 of 2011)
- Ball bearings and solid roller bearings having all tolerances specified by the manufacturer in accordance with ISO 492 Tolerance Class 4 (or national equivalents), or better, and having both rings and rolling elements (ISO 5593) made from monel or beryllium; (L.N. 132 of 2001; L.N. 65 of 2004)
Note:
2A001(a) does not apply to tapered roller bearings. (L.N. 161 of 2011)
- (Repealed L.N. 161 of 2011)
- Active magnetic bearing systems using any of the following:
- Materials with flux densities of 2.0 T or greater and yield strengths greater than 414 MPa;
- All-electromagnetic 3D homopolar bias designs for actuators; or
- High temperature (450 K (177oC) and above) position sensors;