... steel (GCr15), Carbon steel (GCr11)Steel Type: Open steel, Z, ZZ, RS, 2RS, 2RZAccuracy lever/ Precision Rating: ABEC-1, ABEC-3 ... , ABEC-5Vibration level codes: V1, V2, V3Clearance: C2, C0, C3, C4, C5Certificate: ISO9001:2000, CESample: AvailableService: OEM Service, Small Order ...