Linear Bearing Ball Carriage, Carriage Height 34.5 mm, Carriage Length 59.5 mm, Carriage Width 70 mm, Carriage Material Steel Alloy, Roller Material Steel Alloy, Radial Load - Maximum 235 N, Axial Load - Maximum 235 N, Manufacturer Size 25, Dynamic Load Capacity 21,100 N, Requires Lubrication Lubricant Required, Carriage Type Ball, For Rail Width 25 mm, For Use With 500 Series Ball Rail, Static Load Capacity 46,100 N, Combined Carriage and Rail Height 36 mm, Series 500