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Model: NACHI NP317 - Cylindrical roller bearing (NP series)>
Bearing Size
d = 85D = 180
B = 41
Ew = 156
db(min) = 99
db(max) = 166
dc(max) = 110
Da(max) = 166
ra(max) = 2.5
ra1(max) = 2.5
Basic load rating: 224000
Rated static load: 247000
Limit speed（Grease lubrication）: 3400
Limit speed（Oil lubrication） 4000
