Product Catalog

Self-aligning Ball Bearings
Bearings for Ball Screw Supports
Cylindrical Roller Bearing For Pulley
Stainless Steel Bearings

Product Parameters

  • Bearing number
    Single column 71905C
    Paired duplex 71905CDB
    Paired duplex 71905CDF
    Paired duplex 71905CDT
  • Boundary dimensions (mm)
    d 25
    D 42
    B 9
    r(min) 0.3
    r1(min) 0.15
  • Limit speed (RPM)
    grease 24000
    Oil lubrication 34000
  • Rated load (single row)
    Cr(N) 7850
    Cor(N) 5400
    Cr(kgf) 800
    Cor(kgf) 555
  • Location (a) 9.0
  • Installation dimension (mm)
    da(min) 27.5
    Da(max) 39.5
    ra(max) 0.3
  • (Reference) 0.042
  • Limit speed of paired duplex type (RPM)
    grease 19000
    Oil lubrication 26000
  • Paired duplex
    Back to back configuration (A0) 18.0
    Face to face configuration (mm) 0.0
  • Rated load (paired duplex type)
    Cr(N) 12700
    Cor(N) 10800
    Cr(kgf) 1300
    Cor(kgf) 1110
  • Installation dimension of paired duplex type (mm)
    db(1)(min)
    Db(1)(max) 40.8
    rb(1)(max) 0.15