Linear Bearing Ball Carriage, Carriage Height 35.9 mm, Carriage Length 69.4 mm, Carriage Width 90 mm, Carriage Material Steel Alloy, Roller Material Steel Alloy, Radial Load - Maximum 380 N, Axial Load - Maximum 380 N, Manufacturer Size 30, Dynamic Load Capacity 29,200 N, Requires Lubrication Lubricant Required, Carriage Type Ball, For Rail Width 30 mm, For Use With 500 Series Ball Rail, Static Load Capacity 63,700 N, Combined Carriage and Rail Height 42 mm, Series 500