NTN 4T-28990/28920 Bearing
NTN 4T-28990/28920 Bearing , NTN bearing , NTN 4T-28990/28920 precision angular , NTN bearings Agency
d - 61,976 mm
D - 101,6 mm
T - 24,608 mm
B - 24,608 mm
C - 19,845 mm
ra1 max. - 3,3 mm
a - 1,7 mm
Da - 90 mm
db - 68 mm
ra max. - 2 mm
da - 72 mm
Db - 97 mm
Weight - 0,768 Kg
Basic dynamic load rating (C) - 90,5 kN
Basic static load rating (C0) - 134 kN
(Grease) Lubrication Speed - 3 500 r/min
(Oil) Lubrication Speed - 4 700 r/min
Calculation factor (e) - 0,43
Calculation factor (Y0) - 0,78
Calculation factor (Y2) - 1,41
Size:61,976 mm * 101,6 mm * 24,608 mm
- #number
- ID(内径)
- OD(外径)
- B(厚度)
