7911DT
Type

Machine tool spindle bearings

Model:7911DT
Thickness(mm):13
Inner diameter d:55
Outer diameter D:80

Detailed information

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Dimensions
  • d55
  • D80
  • B13
  • r Minimum1
  • r 1 (Minimum)0.6
Load rating (N)
  • Cr18100
  • Cor16800
Load rating {kgf}
  • Cr1840
  • Cor1710
Limit speed(1)(rpm)
  • Grease lubrication10000
  • Oil lubrication14000
Action point position (mm)
  • a22.2
Installation size (mm)
  • d a (Minimum)61
  • Da (Maximum)74
  • r a (Maximum)1
Bearing code(2)
  • Single column7911A5
  • DB7911DB
  • DF7911DF
  • DT7911DT
Rated load (paired double type) (N)
  • Cr29300
  • Cor33500
Rated load (paired double type) {kgf}
  • Cr2990
  • Cor3400
Paired Duplex Limit speed(1) (rpm)
  • Grease lubrication8000
  • Oil lubrication11000
Paired Duplex Action point distance a0(mm)
  • Back-to-back configuration44.5
  • Face-to-face configuration18.5
Paired Duplex Installation size(mm)
  • d b (3) (Minimum)-
  • Db (Maximum)75
  • r b (3) (Maximum)0.6
Coefficientfo
  • Coefficientfo16.4
weight(kg)
  • (Refer to)0.184

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