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Model: NACHI N1008 - Cylindrical roller bearing (N series)>
Bearing Size
d = 40D = 68
B = 15
Ew = 61
da(min) = 45
dc(min) = 49
Da(max) = 62
Db(min) = 61.5
ra(max) = 1
ra1(max) = 0.6
Mass = 0.223
Basic load rating: 25000
Rated static load: 25700
Limit speed（Grease lubrication）: 9500
Limit speed（Oil lubrication） 12000
