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Model: NACHI 52308 - Bidirectional thrust ball bearing (Flatbackface)>
Bearing Size
d = 40d2 = 30
D = 78
T5 = 54
T6 = 33
d3(max) = 78
D1(min)= 42
a = 12
A1 = 23.5
R = 64
da(min) = 40
Da2(max) = 60
ra1(max) = 0.6
Mass = 1.06
Basic load rating: 69000
Rated static load: 135000
Rated static load: 135000
Limit speed（Grease lubrication）: 2200
Limit speed（Oil lubrication） 3300
