Linear Ball Bearing, System of Measurement Inch, Inside Diameter 1/2 in, Outside Diameter 7/8 in, Self-Alignment Not Self-Aligning, Overall Length 1 1/4 in, Dynamic Load Capacity 114 lbf, Material Stainless Steel/Polymer Cage, Series Dayton, Static Load Capacity 176 lbf, Steady State Speed 5000 in/min, Maximum Operating Temperature 176 Degrees F, Minimum Operating Temperature -4 Degrees F, Inside Diameter Tolerance +/-0.001 in, Accelerated Speed -, Outside Diameter Tolerance +/-0.00045 in