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Model: NACHI NP411 - Cylindrical roller bearing (NP series)>
Bearing Size
d = 55D = 140
B = 33
Ew = 117.2
db(min) = 67
db(max) = 128
dc(max) = 79
Da(max) = 128
ra(max) = 2
ra1(max) = 2
Basic load rating: 139000
Rated static load: 138000
Limit speed（Grease lubrication）: 4800
Limit speed（Oil lubrication） 5600
