7928A5
Type

Machine tool spindle bearings

Model:7928A5
Thickness(mm):24
Inner diameter d:140
Outer diameter D:190

Detailed information

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weight (kg)
  • (Refer to)1.63
Dimensions
  • d140
  • D190
  • B24
  • r Minimum1.5
  • r 1 (Minimum)1
Load rating (N)
  • Cr75000
  • Cor90000
Limit speed(1)(rpm)
  • Grease lubrication4000
  • Oil lubrication5600
Action point position (mm)
  • a50.5
Installation size (mm)
  • d a (Minimum)149
  • Da (Maximum)181
  • r a (Maximum)1.5
Bearing code(2)
  • Single column7928A5
  • DB7928DB
  • DF7928DF
  • DT7928DT
Rated load (paired double type) (N)
  • Cr122000
  • Cor180000
Rated load (paired double type) {kgf}
  • Cr12400
  • Cor18400
Paired Duplex Limit speed(1) (rpm)
  • Grease lubrication3200
  • Oil lubrication4500
Paired Duplex Action point distance a0(mm)
  • Back-to-back configuration100.9
  • Face-to-face configuration52.9
Paired Duplex Installation size(mm)
  • d b (3) (Minimum)-
  • Db (Maximum)184
  • r b (3) (Maximum)1
Coefficientfo
  • Coefficientfo16.4

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