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Model: NACHI 7308 - Single row angular contact ball bearings>
Bearing Size
d = 40D = 90
B = 23
a = 7.3
da1(min) = 49
da2(min) = 45
Da1(max) = 81
Da2(max) = 84.6
ra(max) = 1.5
ra1(max) = 1
Mass = 0.655
Basic load rating: 49000
Rated static load: 33000
Limit speed（Grease lubrication）: 7000
Limit speed（Oil lubrication）: 9200
