All Categories > Deep Groove Ball Bearings > R Series Deep Groove Ball Bearings > Item # R20 All CategoriesAll Categories Deep Groove Ball BearingsDeep Groove Ball Bearings R Series Deep Groove Ball BearingsR Series Deep Groove Ball Bearings Item # R20 Item # R20, R Series Deep Groove Ball Bearings R20R Series Deep Groove Ball Bearings Request Information Email This Page Download PDF Download PDF Printable Page Close Window Unit of Measure Imperial Metric Both Specifications Dimension d N/A 31.750 mm Dimension D N/A 57.150 mm Dimension B (R) N/A 9.5250 mm Dimension B (99R) N/A 12.700 mm Minimum r Dimension N/A 1 mm Dynamic Load Rating (Cr) N/A 13.23 kN Static Load Rating (Cor) N/A 8.300 kN Open Type Weight N/A 0.09030 kg