Inner Ring, Bore Diameter 30 mm, Maximum Temperature 120 Degrees C, Minimum Temperature -30 Degrees C, Outside Diameter 35 mm, Overall Width 20 mm, Ring Material Alloy Steel, System of Measurement Metric, Bore Diameter Tolerance 0.005 /- 0.004 mm, Lubrication Openings None, Ring Material Grade 52100. This item has been restricted from sale in the following state (s): []