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Model: NACHI 21308E - Cylindrical hole spherical roller bearings>
Bearing Size
d = 40D = 90
B = 23
da(min) = 50
Da(max) = 81
ra(max) = 1.5
Mass = 0.86
Basic load rating: 85500
Rated static load: 95500
Limit speed（Grease lubrication）: 4000
Limit speed（Oil lubrication） 5200
