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Model: NACHI 51128 - One-way thrust ball bearing (Flatbackface)>
Bearing Size
d = 140D = 180
T = 31
r = 1
D1(min)= 142
d1(max) = 178
da(min) = 164
Da1(max) = 156
ra(max) = 1
Mass = 2.03
Basic load rating: 107000
Rated static load: 375000
Limit speed（Grease lubrication）: 1300
Limit speed（Oil lubrication） 1900
