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Model: NACHI NP221 - Cylindrical roller bearing (NP series)>
Bearing Size
d = 105D = 190
B = 36
Ew = 168.8
db(min) = 117
db(max) = 178
dc(max) = 129
Da(max) = 178
ra(max) = 2
ra1(max) = 2
Basic load rating: 202000
Rated static load: 241000
Limit speed（Grease lubrication）: 3200
Limit speed（Oil lubrication） 3800
