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Model: NACHI 2904 - One-way thrust ball bearing (series 2900)>
Bearing Size
d = 20D = 37
T = 12
r = 0.6
D1(min)= 20.2
d1(max) = 37
da(min) = 30
Da1(max) = 27
ra(max) = 0.6
Mass = 0.055
Basic load rating: 14800
Rated static load: 26600
Limit speed（Grease lubrication）: 4700
Limit speed（Oil lubrication） 7100
