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Model: NACHI 53248 - One-way thrust ball bearing (Sphericalbackface)>
Bearing Size
d = 240D = 340
T3 = 81.6
r = 2.1
D1(min)= 244
d1(max) = 335
R = 250
A = 122
da(min) = 300
Da2(max) = 290
ra(max) = 2
Mass = 22.3
Basic load rating: 430000
Rated static load: 1730000
Limit speed（Grease lubrication）: 570
Limit speed（Oil lubrication） 860
