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Model: NACHI 1210 - Cylindrical hole self-aligning ball bearing>
Bearing Size
d = 50D = 90
B = 20
da(min) = 56.5
Da(max) = 83.5
ra(max) = 1
Mass = 0.525
Basic load rating: 22700
Rated static load: 8100
Limit speed（Grease lubrication）: 6500
Limit speed（Oil lubrication） 7900
