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Model: NACHI 2308 - Cylindrical hole self-aligning ball bearing>
Bearing Size
d = 40D = 90
B = 33
da(min) = 48
Da(max) = 82
ra(max) = 1.5
Mass = 0.925
Basic load rating: 44900
Rated static load: 13500
Limit speed（Grease lubrication）: 6200
Limit speed（Oil lubrication） 7800
