Linear Bearing Ball Carriage, Carriage Height 20.2 mm, Carriage Length 39.6 mm, Carriage Width 34 mm, Carriage Material Steel Alloy, Roller Material Steel Alloy, Radial Load - Maximum 67 N, Axial Load - Maximum 67 N, Manufacturer Size 15, Dynamic Load Capacity 9,000 N, Requires Lubrication Lubricant Required, Carriage Type Ball, For Rail Width 15 mm, For Use With 500 Series Ball Rail, Static Load Capacity 19,600 N, Combined Carriage and Rail Height 24 mm, Series 500