7004DF
Type

Machine tool spindle bearings

Model:7004DF
Thickness(mm):12
Inner diameter d:20
Outer diameter D:42

Detailed information

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weight (kg)
  • (Refer to)0.068
Dimensions
  • d20
  • D42
  • B12
  • r Minimum0.6
  • r 1 (Minimum)0.3
Load rating (N)
  • Cr10800
  • Cor6600
Load rating {kgf}
  • Cr1110
  • Cor670
Limit speed(1)(rpm)
  • Grease lubrication18000
  • Oil lubrication24000
Action point position (mm)
  • a14.9
Installation size (mm)
  • d a (Minimum)25
  • Da (Maximum)37
  • r a (Maximum)0.6
Bearing code(2)
  • Single column7004A
  • DB7004DB
  • DF7004DF
  • DT7004DT
Rated load (paired double type) (N)
  • Cr17600
  • Cor13200
Rated load (paired double type) {kgf}
  • Cr1800
  • Cor1340
Paired Duplex Limit speed(1) (rpm)
  • Grease lubrication15000
  • Oil lubrication20000
Paired Duplex Action point distance a0(mm)
  • Back-to-back configuration29.9
  • Face-to-face configuration5.9
Paired Duplex Installation size(mm)
  • d b (3) (Minimum)22.5
  • Db (Maximum)39.5
  • r b (3) (Maximum)0.3
Coefficientfo
  • Coefficientfo14.5

List of Similar Bearing Models