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Model: NACHI 1308 - Cylindrical hole self-aligning ball bearing>
Bearing Size
d = 40D = 90
B = 23
da(min) = 48
Da(max) = 82
ra(max) = 1.5
Mass = 0.715
Basic load rating: 29500
Rated static load: 9700
Limit speed（Grease lubrication）: 7000
Limit speed（Oil lubrication） 8500
