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Model: NACHI NF307 - Cylindrical roller bearing (NF series)>
Bearing Size
d = 35D = 80
B = 21
Ew = 68.2
db(min) = 42
db(max) = 73
dd(min) = 53
Da(max) = 71.5
ra(max) = 1.5
Basic load rating: 49500
Rated static load: 47000
Limit speed（Grease lubrication）: 8000
Limit speed（Oil lubrication） 9500
