... Gcr15,Gcr11 1.specification for some axial load thrust ball bearings with high quality mainly made of Gcr15 materialMODEL NO ... Remark: Spherical roller (21000, 22000, 23000, 24000, 29000 Series) Tapered roller (30000 series and Inch Size). Thrust Bearings. (50000series ... Pillow Block, (UCP, UCF, UCFL) Low-noise deep groove ball bearing (mostly 6000 series ...