Linear Ball Bearing, System of Measurement Inch, Inside Diameter 1/4 in, Outside Diameter 3/8 in, Self-Alignment Not Self-Aligning, Overall Length 1/2 in, Dynamic Load Capacity 7 lbf, Material Stainless Steel, Series INST Miniature Instrument, Steady State Speed -, Maximum Operating Temperature 600 Degrees F, Minimum Operating Temperature 0 Degrees F, Inside Diameter Tolerance +/-0.003 in, Accelerated Speed -