7212B
Type

Machine tool spindle bearings

Model:7212B
Thickness(mm):22
Inner diameter d:60
Outer diameter D:110

Detailed information

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Dimensions
  • d60
  • D110
  • B22
  • r Minimum1.5
  • r 1 (Minimum)1
Load rating (N)
  • Cr56000
  • Cor44500
Load rating {kgf}
  • Cr5700
  • Cor4550
Limit speed(1)(rpm)
  • Grease lubrication4800
  • Oil lubrication6300
Action point position (mm)
  • a46.7
Installation size (mm)
  • d a (Minimum)69
  • Da (Maximum)101
  • r a (Maximum)1.5
Bearing code(2)
  • Single column7212B
  • DB7212DB
  • DF7212DF
  • DT7212DT
Rated load (paired double type) (N)
  • Cr91000
  • Cor89000
Rated load (paired double type) {kgf}
  • Cr9300
  • Cor9050
Paired Duplex Limit speed(1) (rpm)
  • Grease lubrication3800
  • Oil lubrication5300
Paired Duplex Action point distance a0(mm)
  • Back-to-back configuration93.3
  • Face-to-face configuration49.3
Paired Duplex Installation size(mm)
  • db(3) (Minimum)66
  • Db (Maximum)104
  • rb(3) (Maximum)1
Coefficientfo
  • Coefficientfo15.3
weight(kg)
  • (Refer to)0.815

List of Similar Bearing Models