7321B
Type

Machine tool spindle bearings

Model:7321B
Thickness(mm):49
Inner diameter d:105
Outer diameter D:225

Detailed information

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Dimensions
  • d105
  • D225
  • B49
  • r Minimum3
  • r 1 (Minimum)1.1
Load rating (N)
  • Cr191000
  • Cor177000
Load rating {kgf}
  • Cr19400
  • Cor18100
Limit speed(1)(rpm)
  • Grease lubrication2400
  • Oil lubrication3200
Action point position (mm)
  • a93.7
Installation size (mm)
  • d a (Minimum)119
  • Da (Maximum)211
  • r a (Maximum)2.5
Bearing code(2)
  • Single column7321B
  • DB7321DB
  • DF7321DF
  • DT7321DT
Rated load (paired double type) (N)
  • Cr310000
  • Cor355000
Rated load (paired double type) {kgf}
  • Cr31500
  • Cor36000
Paired Duplex Limit speed(1) (rpm)
  • Grease lubrication1900
  • Oil lubrication2600
Paired Duplex Action point distance a0(mm)
  • Back-to-back configuration187.4
  • Face-to-face configuration89.4
Paired Duplex Installation size(mm)
  • db(3) (Minimum)-
  • Db (Maximum)218
  • rb(3) (Maximum)1
Coefficientfo
  • Coefficientfo14.5
weight(kg)
  • (Refer to)9.43

List of Similar Bearing Models