7909DT
Type

Machine tool spindle bearings

Model:7909DT
Thickness(mm):12
Inner diameter d:45
Outer diameter D:68

Detailed information

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Dimensions
  • d45
  • D68
  • B12
  • r Minimum0.6
  • r 1 (Minimum)0.3
Load rating (N)
  • Cr15100
  • Cor12700
Load rating {kgf}
  • Cr1540
  • Cor1290
Limit speed(1)(rpm)
  • Grease lubrication12000
  • Oil lubrication17000
Action point position (mm)
  • a19.2
Installation size (mm)
  • d a (Minimum)50
  • Da (Maximum)63
  • r a (Maximum)0.6
Bearing code(2)
  • Single column7909A5
  • DB7909DB
  • DF7909DF
  • DT7909DT
Rated load (paired double type) (N)
  • Cr24600
  • Cor25400
Rated load (paired double type) {kgf}
  • Cr2510
  • Cor2590
Paired Duplex Limit speed(1) (rpm)
  • Grease lubrication9500
  • Oil lubrication13000
Paired Duplex Action point distance a0(mm)
  • Back-to-back configuration38.4
  • Face-to-face configuration14.4
Paired Duplex Installation size(mm)
  • d b (3) (Minimum)-
  • Db (Maximum)65.5
  • r b (3) (Maximum)0.3
Coefficientfo
  • Coefficientfo16.2
weight(kg)
  • (Refer to)0.13

List of Similar Bearing Models