... 2,can be in different colour. Pillow block housing T series:Material: HT250 GRAY CAST IRON - TENSILE STRENGTH 250MPa.Chemical composition ... .15%S,≤0.3%P (other housing type : P, F, FL, T, FC, PA, PP, FA, FB, HA, PF, PFT, ... 1443349T2088519168349298series