Schaeffler Product catalogue - medias
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Four point contact bearings

light series 20, internal gear teeth, lip seals 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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Radial loadAxial load in one directionAxial load in two directionsMoments about all axesSealed on both sidesGrease lubrication
di 325  mm   
Da 518  mm  Tolerance: 0/-0,5
Da ZT 516  mm  Valid for bearings with centring (suffix ZT)
Centring lengths (see dimension drawing)
Tolerance: -IT8
Di 415,5  mm  Tolerance: +0,5/0
d0 335  mm   
da 412,5  mm  Tolerance: 0/-0,5
da ZT 411  mm  Valid for bearings with centring (suffix ZT)
Centring lengths (see dimension drawing)
Tolerance: -IT8
H 56  mm   
La 490  mm   
Li 375  mm   
m 5  mm  Tooth modulus
na 8  Number of fixing holes in outer ring
ni 12  Number of fixing holes in inner ring
z 67  Number of teeth
m 27,5  kg  Mass
Fr per 49600  N  Maximum permissible radial load against friction lock
Fz norm 17700  N  Maximum permissible tooth force (dedendum fatigue strength)
Fz max 26200  N  Max. permissible tooth force against tooth fracture in dedendum
Ca 139000  N  Basic dynamic load rating, axial
C0a 295000  N  Basic static load rating, axial
Cr 126000  N  Basic dynamic load rating, radial
C0r 110000  N  Basic static load rating, radial
  0,5  Maximum radial bearing clearance
  0,7  Maximum axial tilting clearance
  4  Taper type lubrication nipples, DIN 71412-A S8x1, spaced uniformly on circumference
    Bearings are also available without holes in the bearing rings.
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