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Model: NACHI 54234U - Bidirectional thrust ball bearing (Withaligningseat)>
Bearing Size
d = 170d2 = 150
D = 240
T5 = 104.4
T6 = 62.7
T7 = 117
T8 = 69
D1(min) = 173
d3(max) = 239
D2 = 200
D3 = 250
a = 21
b = 21.5
A1 = 87
R = 180
da(min) = 170
da(min) = 170
Da2(max) = 200
ra(max) = 1.5
ra1(max) = 1
Mass = 19.1
Basic load rating: 261000
Rated static load: 835000
Limit speed（Grease lubrication）: 840
Limit speed（Oil lubrication） 1200
