All Brands
Model: NACHI NNU4934K - Cylindrical roller bearing, tapered hole NNU series)>
Bearing Size
d = 170D = 230
B = 60
Fw = 188.5
Da(max) = 221
da(min) = 179
da(max) = 186
da1(min) = 182
ra(max)= 2
Mass = 6.6
Basic load rating: 375000
Rated static load: 805000
Limit speed（Grease lubrication）: 2400
Limit speed（Oil lubrication） 2900
