6904ZZ
Type

High-temperature resistant bearings

Model:6904ZZ
Thickness(mm):9
Inner diameter d:20
Outer diameter D:37

Detailed information

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Load rating {kgf}
  • Cr650
  • Cor375
Bearing code
  • Open6904
  • Dust cover type6904ZZ
  • 非接触Seal圈type6904VV
  • 接触Seal圈type6904DDU
  • With stop ring槽6904N
  • With stop ring6904NR
Installation size (mm)
  • d a (2) (Minimum)22
  • d a (2) (Maximum)24
  • Da(2) (Maximum)35
  • r a (Maximum)0.3
  • Dx (Minimum)40.5
  • C Y (Maximum)2.3
Dimensions
  • d20
  • D37
  • B9
  • r Minimum0.3
Load rating (N)
  • Cr6400
  • Cor3700
Limit speed(rpm) Grease lubrication
  • Open Z·ZZtype V·VVtype19000
  • DUtype DDUtype12000
Limit speed(rpm) Oil lubrication
  • Open Ztype22000
Stop ring槽Size(1) (mm)
  • a (Maximum)1.7
  • b (Minimum)0.95
  • D1 (Maximum)35.7
  • r o (Maximum)0.25
  • r N (Minimum)0.3
Stop ring size(1) (mm)
  • D2 (Maximum)39.8
  • f (Maximum)0.85
Coefficient fo
  • Coefficient fo14.7
weight(kg) (Refer to)
  • weight(kg) (Refer to)0.037