1.GCr15, GCr15SiMn 2.P0,P6,P5,P4 THRUST ROLLER BEARING 3.OEM service 4.ISO9001:2000 Systerm 5.18 years supplys bearing 2011 high precesion SKF Thrust Roller Bearing ID Range30-3000mmPrecision ClassP0,P6,P5,P4ClearanceC0,C1,C2,C3,C4,C5model number630 950 190 8450 38000 2900 140 320 600 485 293/630 EM 630 1090 280 14400 62000 4150 370 260 500 1040 294/630 EM 670 900 140 4200 22800 1660 49 380 630 ...