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Model: NACHI 3921 - One-way thrust ball bearing (series 3900)>
Bearing Size
d = 105D = 180
T = 60
r = 2.5
D1(min)= 105.2
d1(max) = 180
da(min) = 153
Da1(max) = 137
ra(max) = 2.5
Mass = 6.354
Basic load rating: 257000
Rated static load: 670000
Limit speed（Grease lubrication）: 930
Limit speed（Oil lubrication） 1400
