7021DB
Type

Machine tool spindle bearings

Model:7021DB
Thickness(mm):26
Inner diameter d:105
Outer diameter D:160

Detailed information

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Dimensions
  • d105
  • D160
  • B26
  • r Minimum2
  • r 1 (Minimum)1
Load rating (N)
  • Cr80000
  • Cor81500
Load rating {kgf}
  • Cr8150
  • Cor8350
Limit speed(1)(rpm)
  • Grease lubrication4300
  • Oil lubrication5600
Action point position (mm)
  • a51.2
Installation size (mm)
  • d a (Minimum)115
  • Da (Maximum)150
  • r a (Maximum)2
Bearing code(2)
  • Single column7021A
  • DB7021DB
  • DF7021DF
  • DT7021DT
Rated load (paired double type) (N)
  • Cr130000
  • Cor163000
Rated load (paired double type) {kgf}
  • Cr13300
  • Cor16700
Paired Duplex Limit speed(1) (rpm)
  • Grease lubrication3400
  • Oil lubrication4500
Paired Duplex Action point distance a0(mm)
  • Back-to-back configuration102.5
  • Face-to-face configuration50.5
Paired Duplex Installation size(mm)
  • db(3) (Minimum)-
  • Db (Maximum)154
  • rb(3) (Maximum)1
Coefficientfo
  • Coefficientfo16.1
weight(kg)
  • (Refer to)1.84

List of Similar Bearing Models