parison ball with rod mill with chart
FOR EXAMPLE, suppose your application has a 6209 ball bearing, running at 1,750 RPM in a clean, smooth machine for 24 hours a day, 7 days a week. A 6209 bearing has a shaft diameter of 45mm, an OD of 85mm, and a width of 19mm. Using the chart and the formula, the bearing only needs 8 grams of grease every 10,000 hours