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Model: NACHI 54418U - Bidirectional thrust ball bearing (Withaligningseat)>
Bearing Size
d = 90d2 = 70
D = 190
T5 = 143.4
T6 = 86.7
T7 = 157
T8 = 93.5
D1(min) = 93
d3(max) = 189
D2 = 140
D3 = 195
a = 30
b = 25.5
A1 = 34.5
R = 140
da(min) = 90
da(min) = 90
Da2(max) = 140
ra(max) = 2
ra1(max) = 1
Mass = 23
Basic load rating: 305000
Rated static load: 750000
Limit speed（Grease lubrication）: 790
Limit speed（Oil lubrication） 1100
