Front wheel hub bearing DAC38700038 Suitable for Xiali7100; Charde TJ7100 1. Material: Bearing steel Gcr15 2. Accuracy grade: P0, P6, P5, P4 (ABEC-1, ABEC-3, ABEC-5, ABEC-7) 3. Clearance: C2, C3, C4, etc 4. Noise level: Z1, Z2, Z3, Z4 5. Vibration level: V1, V2, V3, V4 6. Inner windage code: C0, C2, C3, C4, C5 7. Quality standard: ISO9001: 2000 For more information pls feel free to contact us.