Structure:, deep groove Number of row:, single row Bore size:, 15 - 340 mm, 10-160 Outside diameter:, 10 - 160 mm, 15-340 Seals type:, open 2rs zz, zz rs 2zz 2rs rz ope Clearance:, c2 c0 c3 c4 c5 Material:, chrome steel, stainless steel Vibration:, z1v1 z2v2 z3v3 z4v4 Tolerance:, abec1(p0) abec3(p6) abec5(p5) abec7(p4) abec9(p2) Certificate:, iso9001:2000 , bv 1.Carton or tubo. 2.Wrapped by oil paper and water-proof belt 3.Wooden pallets or wooden cases of free fumigation 4.According to customer's requirement.