Block, Carriage Height 22 mm, Carriage Length 47.4 mm, Carriage Width 59 mm, Carriage Material Stainless Steel, Manufacturer Size 20, Dynamic Load Capacity 16.3 kN, Requires Lubrication Lubricant Not Required, Carriage Type Ball, For Rail Width 20 mm, For Use With Ball Elements, Block Assembly, Main Body, Raceway Grooves, Return Caps, Static Load Capacity 23.2 kN, Combined Carriage and Rail Height 30.5 mm, Series SGL, System of Measurement Metric