Page 686 - SKF-bearing-housings

Metric roller bearing units SYNT and FYNT series (SKF ConCentra)

Mounting CAUTION: Do not tighten the grub (set)
screws until the bearing unit is positioned
SKF ConCentra roller bearing units must be on the shaft. If the screws are tightened pre-
mounted properly using the appropriate tools maturely, the stepped sleeve may deform.
and state of the art mechanical mounting
methods. All the associated components must
also meet certain basic requirements
(† Specifications for shafts and housing sup-
port surfaces on page 45).
The mounting collar of bearing units in the
SYNT and FYNT series is equipped with M6
grub (set) screws, the number of which
depends on the size of the bearing unit. SKF
recommends using a torque wrench to tighten
these grub (set) screws. The tightening torque
is 8 Nm.

Table 11
Position and size of dowel pin holes for SKF ConCentra roller bearing units in the FYNT series
J 5
J 1 J 3

J 4
J 6
J 2
J 6
N 4
N 4
J 5

Bearing unit Dimensions
Size J 1 J 2 J 3 J 4 J 5 J 6 N 4
max.
– mm

FYNT 35 65 17 48 38,5 16 66 6
FYNT 40 71 20 53 43 18 72 6
FYNT 45 71 20 53 45,5 18 72 6
FYNT 50 77 21 57 49 21 77 6
FYNT 55 84 22 62 54,5 22 84 8
FYNT 60 90 24 66 59,5 24 90 8
FYNT 65 – – – – 85 55 8
FYNT 70 – – – – 87 54 8
FYNT 75 – – – – 93 63 8
FYNT 80 – – – – 95 60 8
FYNT 90 – – – – 112 72 8
FYNT 100 – – – – 122 78 8

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