719 серия
Dimension and Parameters
Bearing No. :71903C
Boundary dimensions（mm）
d :17
D :30
B :7
α=15°
Basic load ratings(kN)
Cr :5.1
Cor :3.8
Limiting speed(rpm)
Grease :49000
Oil :74000
α=25°
Basic load ratings(kN)
Cr :4.8
Cor :3.6
Limiting speed(rpm)
Grease :44000
Oil :66000
