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Model: NACHI 7319DB - Angular contact ball bearings (DB) back to back>
Bearing Size
d = 95D = 200
B = 45
a = 20.1
da1(min) = 109
da2(min) = 102
Da1(max) = 186
Da2(max) = 193
ra(max) = 2.5
ra1(max) = 1
Mass = 6.68
Basic load rating: 297000
Rated static load: 325000
Limit speed（Grease lubrication）: 2400
Limit speed（Oil lubrication）: 3200
