1 Material:cast iron, polyurethane(PU). 2 With good durability and loading capacity 3. Time: within 14 days, and by quantity & storeroom. No Size(mm) Bearing'sDia No Size(mm) Bearing'sDia 1 Ø50×70 35mm 20 Ø73×94 47mm 2 Ø50×93 35mm 21 Ø73×98 47mm 3 Ø51×80 47mm 22 Ø73.5×98 47mm 4 Ø60×70 40mm 23 Ø74×55 47mm 5 Ø60×70 47mm 24 Ø74×70 47mm 6 Ø60×93 40mm 25 Ø74×93 47mm 7 Ø64×70 40mm 26 Ø75×40 47mm 8 Ø65×60 47mm 27 Ø75×50 47mm 9 Ø70×55 47mm 28 Ø78×50 47mm 10 Ø70×58 47mm 29 Ø78×60 47mm 11 Ø70×70 47mm 30 Ø78×70 47mm 12 Ø70×86 42mm 31 Ø78×94 47mm 13 Ø70×96 47mm 32 Ø80×46 47mm 14 Ø70×60 47mm 33 Ø80×55 47mm 15 Ø70×86 47mm 34 Ø80×58 52mm 16 Ø72×60 47mm 35 Ø80×56 47mm 17 Ø72×73 47mm 36 Ø80×59 47mm 18 Ø72×98 47mm 37 Ø80×45 47mm 19 Ø73×70 47mm