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Model: NACHI 6920 - Deep groove ball bearings>
Bearing Size
d = 100D = 140
B = 20
da(min) = 106
Da(max) = 134
ra(max) = 1
Mass = 0.771
Basic load rating: 37000
Rated static load: 36500
Limit speed（Grease lubrication）: 4400
Limit speed（Oil lubrication） 5300
