CZT provides dense loading, single and multi-row cylindrical roller bearings, designed to withstand the heavy load. Positioning as a positioning-side and one-way bearing, they can withstand heavy axial and radial loads. Single row, full complement cylindrical roller, one-way positioning bearings: AL1818 \ SL1829 \ SL1830 \ SL1822 \ SL1923; double row, full complement cylindrical roller locating bearing: SL0148 \ SL0149; double row, full complement cylindrical roller, swimming Bearing: SL0248 \ SL0249; single, isolated with rolling racks, positioning bearings: ZSL1923; double row, full complement cylindrical roller, one-way locating bearing: SL1850; double row, full complement cylindrical roller, with snap ring groove SL0450 .. PP, SL04 .. PP The outer cover,generally for the low carbon steel of ST14 (special occasion can adopt the stainless steel ); Keep the shelf usually strengthening nylon; The needle is a bearing steel to roll,produce according to the needs of customer too