20 x 37 x 18 db(min) KOYO 7904CDF FY Angular contact ball bearings

Bearing No.:7904CDF FY; d:20; D:37; B:18; r(min):0.3; r1(min):-; Cr:14.8; C0r:9.15; Cu:0.470; f0:14.9; Grease lub.:24000; Oil lub.:31000; a:1.4; db(min):22.5; Da(max):34.5; ra(max):0.3; rb(max):0.15; (Refer.)Mass(kg):0.070;