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Model: NACHI 51308 - One-way thrust ball bearing (Flatbackface)>
Bearing Size
d = 40D = 78
T = 26
r = 1
D1(min)= 42
d1(max) = 78
da(min) = 63
Da1(max) = 55
ra(max) = 1
Mass = 0.55
Basic load rating: 69000
Rated static load: 135000
Limit speed（Grease lubrication）: 2200
Limit speed（Oil lubrication） 3300
