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Model: NACHI 21318EX1 - Cylindrical hole spherical roller bearings>
Bearing Size
d = 90D = 190
B = 43
da(min) = 104
Da(max) = 176
ra(max) = 2.5
Mass = 6.1
Basic load rating: 330000
Rated static load: 410000
Limit speed（Grease lubrication）: 1900
Limit speed（Oil lubrication） 2500
