7920DT
Type

Machine tool spindle bearings

Model:7920DT
Thickness(mm):20
Inner diameter d:100
Outer diameter D:140

Detailed information

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Dimensions
  • d100
  • D140
  • B20
  • r Minimum1.1
  • r 1 (Minimum)0.6
Load rating (N)
  • Cr47500
  • Cor51500
Load rating {kgf}
  • Cr4850
  • Cor5250
Limit speed(1)(rpm)
  • Grease lubrication5600
  • Oil lubrication8000
Action point position (mm)
  • a38.0
Installation size (mm)
  • d a (Minimum)107
  • Da (Maximum)133
  • r a (Maximum)1
Bearing code(2)
  • Single column7920A5
  • DB7920DB
  • DF7920DF
  • DT7920DT
Rated load (paired double type) (N)
  • Cr77000
  • Cor103000
Rated load (paired double type) {kgf}
  • Cr7850
  • Cor10500
Paired Duplex Limit speed(1) (rpm)
  • Grease lubrication4500
  • Oil lubrication6300
Paired Duplex Action point distance a0(mm)
  • Back-to-back configuration76.0
  • Face-to-face configuration36.0
Paired Duplex Installation size(mm)
  • db(3) (Minimum)-
  • Db (Maximum)135
  • rb(3) (Maximum)0.6
Coefficientfo
  • Coefficientfo16.3
weight(kg)
  • (Refer to)0.804

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