Model No.: 60X, 62X, 63X, 68X, 69X, MR, R series Product Origin: China Brand Name: AISUN or Neutral Brand Payment Terms: L/C,T/T,D/P Delivery Lead Time: 30-45 We supply various kinds of miniture ball bearings:60x,62x,63x,68x,69x, MR, R series Seal type: open, Z, ZZ, RS, 2RS,etc, Accuracy grade: ABEC1, ABEC3, ABEC5 Noise level (dB) of vibration acceleration: Z1, Z2, Z3, Z4 Noise level of vibration velocity: V1, V2, V3, V4 Radial clearance: C0,C2, C3, C4, C5 Oil and grease: As customer request