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Model: NACHI 52311 - Bidirectional thrust ball bearing (Flatbackface)>
Bearing Size
d = 55d2 = 45
D = 105
T5 = 72.6
T6 = 43.8
d3(max) = 105
D1(min)= 57
a = 15
A1 = 25.5
R = 80
da(min) = 55
Da2(max) = 80
ra1(max) = 0.6
Mass = 2.51
Basic load rating: 120000
Rated static load: 246000
Rated static load: 246000
Limit speed（Grease lubrication）: 1600
Limit speed（Oil lubrication） 2400
