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Model: NACHI 5306 - Open type double row angular contact ball bearings>
Bearing Size
d = 30D = 72
B = 30.2
da(min) = 37
Da(max) = 65
ra(max) = 1
Mass = 0.51
Basic load rating: 41500
Rated static load: 29000
Limit speed（Grease lubrication）: 7000
Limit speed（Oil lubrication）: 9500
