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Regarding the size and calculation method of steel balls and rolling balls in slewing bearings
Based on proportional calculations, the steel balls in slewing bearings are generally taken as height H × 0.375 or 0.45. If the bearing ring height is 70mm, then 70 × 0.375 = 26.25 or 70 × 0.45 = 31.5mm. In this case, a diameter of ø30 is suitable.
For double-row ball bearings, the general formula is height H ÷ 3.8. For example, if the ring height is 120mm, then 120 ÷ 3.8 = 31.5789474mm. Therefore, ø30 steel balls are suitable.
