1.Prompt delivery 2.Competitive price 3.OEM is accepted 4.Samples can be ... days14 Tolerance level ABEC-1 (P0), ABEC-3 (P6),ABEC-5(P5)15 Seals type None16 Precision rating P0, P6, P517 ... . We are mainly managing brand products, Our products are widely used in such areas as aerospace, metallurgy, steel, mining, electricity, machinery ... will give you the fastest and most satisfactory answer! 637/2.5-2Z