INA B7221-C-T-P4S rodamiento

INA B7221-C-T-P4S rodamiento Dimensions

Tipo With large or small balls Steel or ceramic balls Steel or Cronidur rings Open or sealed Design DLR
Número de modelo B7221-C-T-P4S
marcas INA
Pertenecer a Spindle bearings
Designation 1)4)Series 719 -
Designation 1)4)Series 70 -
Designation 1)4)Series 72 B7221-C-T-P4S
Mass 4 kg
Dimensions#d 105 mm
Dimensions#D 190 mm
Dimensions#B 36 mm
Dimensions#r min. 2.1 mm
Dimensions#r1 2.1 mm
Dimensions#BN - mm
Dimensions#SN - mm
Dimensions#SB - mm
Contact angle#α 15 °
Mounting dimensions#da h12 120.5 mm
Mounting dimensions#Da H12 174.5 mm
Mounting dimensions#ra max. 2.1 mm
Mounting dimensions#ra1 2.1 mm
Mounting dimensions#Etk nom. 139.9 mm
Basic load ratings#dyn. Cr 163 KN
Basic load ratings#stat. Cor 146 KN
Limiting speeds#nG grease 7,000 min-1
Limiting speeds#nG oil 3) 11000 min-1
Preload force 2) Fv#L 997 N
Preload force 2) Fv#M 3,140 N
Preload force 2) Fv#H 6,377 N
Lift-off force 2) KaE#L 3,116 N
Lift-off force 2) KaE#M 10,597 N
Lift-off force 2) KaE#H 23,098 N
Axial rigidity 2) Ca#L 132 N/μm
Axial rigidity 2) Ca#M 222.4 N/μm
Axial rigidity 2) Ca#H 320.4 N/μm