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 7004A
    Paired duplex 7004ADB
    Paired duplex 7004ADF
    Paired duplex 7004ADT
  • Boundary dimensions (mm)
    d 20
    D 42
    B 12
    r(min) 0.6
    r1(min) 0.3
  • Limit speed (RPM)
    grease 18000
    Oil lubrication 24000
  • Rated load (single row)
    Cr(N) 10800
    Cor(N) 6600
    Cr(kgf) 1110
    Cor(kgf) 670
  • Location (a) 14.9
  • Installation dimension (mm)
    da(min) 25
    Da(max) 37
    ra(max) 0.6
  • (Reference) 0.068
  • Limit speed of paired duplex type (RPM)
    grease 15000
    Oil lubrication 20000
  • Paired duplex
    Back to back configuration (A0) 29.9
    Face to face configuration (mm) 5.9
  • Rated load (paired duplex type)
    Cr(N) 17600
    Cor(N) 13200
    Cr(kgf) 1800
    Cor(kgf) 1340
  • Installation dimension of paired duplex type (mm)
    db(1)(min) 22.5
    Db(1)(max) 39.5
    rb(1)(max) 0.3