Schaeffler Product catalogue - medias
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ZKLDF260


Axial angular contact ball bearings

double direction, for screw mounting, sealing shields on both sides

  
Have you also thought about mounting? You can find further information here on mounting of the selected types. Alternatively, contact one of our Engineering Offices for further assistance.
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(1) Contact surface/centring diameter
Radial loadAxial load in one directionAxial load in two directionsMoments about all axesSealed on both sidesLifetime lubrication, freedom from maintenanceGrease lubrication
Hole pattern
2 retaining screws (2)
 
d 260  mm  Sizes d > 460 mm available by agreement
D 385  mm   
H 55  mm   
  34  Number of fixing holes in inner ring
Attention!
For fixing holes in the adjacent construction.
Note the pitch of the bearing holes.
  2  Number of retaining screws
  33  Number of fixing holes in outer ring
Attention!
For fixing holes in the adjacent construction.
Note the pitch of the bearing holes.
  3  Number of extraction threads
a 8,2  mm  Fixing holes in inner ring
D1 345  mm   
D2 313  mm   
D3 348  mm   
d1 9,3  mm  Fixing holes in inner ring
d2 15  mm  Fixing holes in inner ring
d3 9,3  mm  Fixing holes in outer ring
G M12  Extraction thread
H1 36,5  mm   
J 280  mm  Fixing holes in inner ring
J1 365  mm  Fixing holes in outer ring
t 36 x 10°  Pitch t
Including retaining screws and extraction threads

Quantity X t
m 19  kg  ≈ Mass
MA 34  Nm  Screw tightening torque

Tightening torque for screws to DIN 912, grade 10.9.
Ca 162000  N  Basic dynamic load rating, axial
C0a 920000  N  Basic static load rating, axial
Cua 23800  N  Fatigue limit load, axial
nG 2400  1/min  Limiting speed
The limiting speeds increased by a factor of two are valid for bearings of the current generation with the internal suffix -B.
caL 3200  N/µm  Axial rigidity of bearing position
Rigidity values taking account of the rolling element set, rigidity of the bearing rings and the screw connections.
crL 700  N/µm  Radial rigidity of bearing position
Rigidity values taking account of the rolling element set, rigidity of the bearing rings and the screw connections.
ckL 40000  Nm/mrad  Tilting rigidity of the bearing position
Rigidity values taking account of the rolling element set, rigidity of the bearing rings and the screw connections.
caL 4700  N/µm  Axial rigidity of rolling element set
crL 700  N/µm  Radial rigidity of rolling element set
ckL 54000  Nm/mrad  Tilting rigidity of rolling element set
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