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The robust and economical design of single-row four-point bearings offers a high degree of operating safety and is insensitive to changes in the shape of the adjacent structure. These bearings are used in a wide range of applications, where, for example, they enable the swivelling motion of excavators or the rotation of tower cranes. They are also used as drive components of large rope winches.

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  • Product category - Single-row four-point bearings

  • External diameter - 1,908 mm

  • Rolling element diameter - 30 mm

  • Raceway diameter - 1,800 mm

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Product category
Single-row four-point bearings
External diameter
1,908 mm
Rolling element diameter
30 mm
Raceway diameter
1,800 mm
Number of raceways
1
Weight
309 kg
Inner diameter
1,692 mm
Total height
84.0 mm
External pitch circle diameter
1,864 mm
Inner pitch circle diameter
1,736 mm
Number of bores, external
52
Number of bores, internal
52
Size of bolts, external
M20
Size of bolts, internal
M20
Static load rating
7,831 kN
Dynamic load rating
691 kN