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Model: NACHI 21316AX - Cylindrical hole spherical roller bearings>
Bearing Size
d = 80D = 170
B = 39
da(min) = 92
Da(max) = 158
ra(max) = 2
Mass = 4.67
Basic load rating: 257000
Rated static load: 318000
Limit speed（Grease lubrication）: 2500
Limit speed（Oil lubrication） 3500
