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Model: NACHI 54208U - Bidirectional thrust ball bearing (Withaligningseat)>
Bearing Size
d = 40d2 = 30
D = 68
T5 = 38.6
T6 = 23.8
T7 = 44
T8 = 26.5
D1(min) = 42
d3(max) = 68
D2 = 55
D3 = 72
a = 9
b = 7
A1 = 25
R = 56
da(min) = 40
da(min) = 40
Da2(max) = 55
ra(max) = 1
ra1(max) = 0.6
Mass = 0.686
Basic load rating: 47000
Rated static load: 98500
Limit speed（Grease lubrication）: 2700
Limit speed（Oil lubrication） 4100
