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Model: NACHI NNU4928 - Cylindrical roller bearings, cylindrical hole NNU series)>
Bearing Size
d = 140D = 190
B = 50
Fw = 156
Da(max) = 182
da(min) = 148
da(max) = 154
dc(min) = 158
ra(max)= 1.5
Basic load rating: 281000
Rated static load: 585000
Limit speed（Grease lubrication）: 3000
Limit speed（Oil lubrication） 3600
