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Model: NACHI 1203 - Cylindrical hole self-aligning ball bearing>
Bearing Size
d = 17D = 40
B = 12
da(min) = 21
Da(max) = 36
ra(max) = 0.6
Mass = 0.073
Basic load rating: 7900
Rated static load: 2000
Limit speed（Grease lubrication）: 16000
Limit speed（Oil lubrication） 20000
