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Model: NACHI 6920ZZ - Two dust cover 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）: -
