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Model: NACHI NN3021 - Cylindrical roller bearings, cylindrical hole NN series)>
Bearing Size
d = 105D = 160
B = 41
Ew = 146
Da(min) = 148
Da(max) = 150
da(min) = 115
dc(min) = -
ra(max)= 2
Basic load rating: 197000
Rated static load: 320000
Limit speed（Grease lubrication）: 3800
Limit speed（Oil lubrication） 4400
