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Type | With large or small balls Steel or ceramic balls Steel or Cronidur rings Open or sealed Design DLR |
items | B7215ETP4S |
brand | INA |
Belong | Spindle bearings |
Designation 1)4)Series 719 | - |
Designation 1)4)Series 70 | - |
Designation 1)4)Series 72 | B7215-E-T-P4S |
Mass | 1.21 kg |
Dimensions#d | 75 mm |
Dimensions#D | 130 mm |
Dimensions#B | 25 mm |
Dimensions#r min. | 1.5 mm |
Dimensions#r1 | 1.5 mm |
Dimensions#BN | - mm |
Dimensions#SN | - mm |
Dimensions#SB | - mm |
Contact angle#α | 25 ° |
Mounting dimensions#da h12 | 85 mm |
Mounting dimensions#Da H12 | 120 mm |
Mounting dimensions#ra max. | 1.5 mm |
Mounting dimensions#ra1 | 1.5 mm |
Mounting dimensions#Etk nom. | 97.7 mm |
Basic load ratings#dyn. Cr | 68 KN |
Basic load ratings#stat. Cor | 60 KN |
Limiting speeds#nG grease | 9,500 min-1 |
Limiting speeds#nG oil 3) | 16000 min-1 |
Preload force 2) Fv#L | 619 N |
Preload force 2) Fv#M | 2,103 N |
Preload force 2) Fv#H | 4,389 N |
Lift-off force 2) KaE#L | 1,820 N |
Lift-off force 2) KaE#M | 6,402 N |
Lift-off force 2) KaE#H | 13,790 N |
Axial rigidity 2) Ca#L | 204.9 N/μm |
Axial rigidity 2) Ca#M | 326.6 N/μm |
Axial rigidity 2) Ca#H | 442.6 N/μm |