Linear Ball Bearing, System of Measurement Metric, Inside Diameter 16 mm, Outside Diameter 26 mm, Self-Alignment Self-Aligning, Overall Length 36 mm, Dynamic Load Capacity 288 lbf, Material Delrin/Steel, Series Super, Steady State Speed 3 mm/sec, Maximum Operating Temperature 185 Degrees F, Accelerated Speed 150 mm/sq sec, Slot Width 9.8 mm