7900DB
Type

Machine tool spindle bearings

Model:7900DB
Thickness(mm):6
Inner diameter d:10
Outer diameter D:22

Detailed information

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Dimensions
  • d10
  • D22
  • B6
  • r Minimum0.3
  • r 1 (Minimum)0.15
Load rating (N)
  • Cr2880
  • Cor1450
Load rating {kgf}
  • Cr294
  • Cor148
Installation size (mm)
  • d a (Minimum)12.5
  • Da (Maximum)19.5
  • r a (Maximum)0.3
Bearing code(2)
  • Single column7900A5
  • DB7900DB
  • DF7900DF
  • DT7900DT
Rated load (paired double type) (N)
  • Cr4700
  • Cor2900
Paired Duplex Limit speed(1) (rpm)
  • Grease lubrication32000
  • Oil lubrication43000
Paired Duplex Action point distance a0(mm)
  • Back-to-back configuration13.5
  • Face-to-face configuration1.5
Paired Duplex Installation size(mm)
  • d b (3) (Minimum)-
  • Db (Maximum)20.8
  • r b (3) (Maximum)0.15
Coefficientfo
  • Coefficientfo14.7
weight(kg)
  • (Refer to)0.009
Limit speed(1) (rpm)
  • Grease lubrication40000
  • Oil lubrication56000
Action point position(mm)
  • a6.7
Rated load (paired double type){kgf}
  • Cr475
  • Cor296

List of Similar Bearing Models