cross roller bearing 1.Material: Chrome steel gcr15 2.Size:15--500MM 3.Long life 4.Low noise Cross-tapered roller bearing XR JXR Bearing Type Main dimensionsBasic dynamic load ratingSpeed LimitiedOilkgweightdDTrRadialAxialXR496051203.2279.431.751.541000492008006.5XR678052330.2457.263.53800009840062035XR766051457.2609.663.5310600013300052051XR820060580760805106000209000300100XR855053685.8914.479. ...