NTN 7221BDF Bearing
NTN 7221BDF Bearing , NTN bearing , NTN 7221BDF Tradesman , NTN bearings life cycle
d - 105 mm
D - 190 mm
B - 36 mm
ra1 max. - 1 mm
Angle (α) - 40 °
a - 80 mm
r min. - 2,1 mm
r1 min. - 1,1 mm
2B - 72 mm
Da max. - 178 mm
db min - 112 mm
ra max. - 2 mm
Weight - 7,74 Kg
Basic dynamic load rating (C) - 231 kN
Basic static load rating (C0) - 258 kN
(Grease) Lubrication Speed - 2 600 r/min
(Oil) Lubrication Speed - 3 500 r/min
Size:105 mm * 190 mm *
- #number
- ID(内径)
- OD(外径)
- B(厚度)