Page 498 - Rollingbearings

6 Cylindrical roller bearings
Designs and N design bearings Appropriate angle rings (thrust
• have two integral langes on the inner ring collars)
variants and no langes on the outer ring
• can accommodate axial displacement of • are used with NU design bearings to locate
the shaft relative to the housing in both the shaft axially in one direction (ig. 7)
Single row cylindrical directions Angle rings should not be used on both

roller bearings sides of NU design bearings as this can
NJ design bearings lead to axial clamping of the rollers
• are used with NJ design bearings to locate
The major design differences between the • have two integral langes on the outer ring the shaft axially in both directions (ig. 8)
single row cylindrical roller bearings pre- and one on the inner ring • are made of carbon chromium steel
sented in this catalogue are in: • can accommodate axial displacement of • are hardened and ground
the shaft relative to the housing in one • have a maximum axial run-out that is in
• the cage design and material direction only accordance with the Normal tolerance
• the coniguration of the inner and outer • are used to locate the shaft axially in one class for the appropriate bearing
ring langes direction • are identiied by the series designation HJ
• can be used together with an appropriate followed by the appropriate bearing
SKF inch bearings (CRL and CRM series, angle ring to stabilize the bearing in the dimension series and size
skf com/go/17000-6-1), which are not pre- other axial direction (ig. 8, Appropriate • are available as listed in the product table,
sented in this catalogue, conform to the angle rings) page 517
metric N design (ig. 6) They are mainly • must be ordered separately
used in the aftermarket and, therefore, SKF NUP design bearings
recommends not to use these bearings for
6 new bearing arrangement designs • have two integral langes on the outer ring
and one integral lange and one non-inte-
gral lange, i e a loose lange ring, on the
Common designs inner ring
• are used to locate the shaft axially in both
The most common designs of single row directions
cylindrical roller bearings are shown in ig. 6
Fig. 7
NU design bearings NU design bearing + HJ angle ring
• have two integral langes on the outer ring
and no langes on the inner ring
• can accommodate axial displacement of
the shaft relative to the housing in both
directions
• can be used together with an appropriate
angle ring to stabilize the bearing in the
axial direction (ig. 7, Appropriate angle
rings)

Fig. 6 Fig. 8
Common designs NJ design bearing + HJ angle ring

NU N NJ NUP

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