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Model: NACHI 21315EX1 - Cylindrical hole spherical roller bearings>
Bearing Size
d = 75D = 160
B = 37
da(min) = 87
Da(max) = 148
ra(max) = 2
Mass = 3.8
Basic load rating: 245000
Rated static load: 298000
Limit speed（Grease lubrication）: 2200
Limit speed（Oil lubrication） 3000
