719 серия
Dimension and Parameters
Bearing No. :71904C
Boundary dimensions（mm）
d :20
D :37
B :9
α=15°
Basic load ratings(kN)
Cr :7.4
Cor :5.8
Limiting speed(rpm)
Grease :39000
Oil :59000
α=25°
Basic load ratings(kN)
Cr :7
Cor :5.6
Limiting speed(rpm)
Grease :37000
Oil :55000
