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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 - 1,255 mm

  • Raceway diameter - 1,155 mm

  • Rolling element diameter - 25 mm

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External diameter
1,255 mm
Rolling element diameter
25 mm
Number of raceways
1
Inner diameter
1,055 mm
Total height
63.0 mm
External pitch circle diameter
1,215 mm
Inner pitch circle diameter
1,095 mm
Number of bores, external
36
Number of bores, internal
36
Size of bolts, internal
M20
Static load rating
4,079 kN
Dynamic load rating
474 kN
Product category
Single-row four-point bearings
Weight
139 kg
Raceway diameter
1,155 mm
Size of bolts, external
M20