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 546  mm   
Da 748  mm  Tolerance: 0/-0,6
Da ZT 746  mm  Valid for bearings with centring (suffix ZT)
Centring lengths (see dimension drawing)
Tolerance: -IT8
Di 645,5  mm  Tolerance: +0,6/0
d0 558  mm   
da 642,5  mm  Tolerance: 0/-0,6
da ZT 641  mm  Valid for bearings with centring (suffix ZT)
Centring lengths (see dimension drawing)
Tolerance: -IT8
H 56  mm   
La 720  mm   
Li 605  mm   
m 6  mm  Tooth modulus
na 12  Number of fixing holes in outer ring
ni 18  Number of fixing holes in inner ring
z 93  Number of teeth
m 45  kg  Mass
Fr per 74300  N  Maximum permissible radial load against friction lock
Fz norm 23700  N  Maximum permissible tooth force (dedendum fatigue strength)
Fz max 35000  N  Max. permissible tooth force against tooth fracture in dedendum
Ca 164000  N  Basic dynamic load rating, axial
C0a 455000  N  Basic static load rating, axial
Cr 148000  N  Basic dynamic load rating, radial
C0r 171000  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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