Page 711 - SKF-bearing-housings

Ordering information

Relubrication quantity Condition monitoring
The appropriate quantity of grease for relubri-
cation of SKF inch roller bearing units is pro- SKF inch roller bearing units support condition
vided in table 14. monitoring during operation. For additional
information about condition monitoring and
Greases for relubrication the measurement tools and systems available
To relubricate SKF inch roller bearing units, from SKF, contact the SKF application engi-
SKF recommends using SKF LGEP 2 grease, neering service.
which is fully compatible with the original
grease introduced at the factory. Other com-
patible greases such as SKF’s multipurpose Accessories
LGMT 2 and LGMT 3 greases can also be used.
The following accessories are available for SKF
inch roller bearing units:
Mounting
• Grease fitting M1 1/8 NPTF
SKF inch roller bearing units must be mounted • Automatic lubricators
properly using the appropriate tools and state • Grease meter: LAGM 1000E
of the art mechanical mounting methods. All • Condition monitoring sensors
the associated components must also meet
certain basic requirements († Specifications For additional information, refer to SKF tools
for shafts and housing support surfaces on and products († page 47).
page 45). Mounting instructions are provided
with each unit.
The mounting collar on SKF ConCentra Ordering information
roller bearing units is equipped with M6 set
(grub) screws, the number of which depends SKF inch roller bearing units are supplied
on the size of the bearing unit. SKF recom- assembled, greased and ready-to-mount.
mends using a torque wrench to tighten these
set (grub) screws. The tightening torque is 66 Order example
in-lbf. A specially designed hexagonal key 3L, Two SKF ConCentra roller bearing units with a
in accordance with ISO 2936, with a torque pillow (plummer) block housing in the SYE
indicator is supplied with each bearing unit. series are required for a 2 in. shaft diameter.
CAUTION: Do not tighten the set (grub) The units should be fitted with labyrinth seals.
screws until the bearing unit is positioned on One bearing unit will accommodate the bear-
the shaft. If the screws are tightened prema- ing in the non-locating position at the end of
turely, the stepped sleeve may deform. the shaft. The other bearing unit will accom-
The locking collar of collar-mount units is modate the bearing in the locating position on
equipped with two set (grub) screws, the size a through shaft.
of which depends on the bearing unit size. SKF The following items should be ordered:
recommends using a torque wrench to tighten
these set (grub) screws. Recommended tight- • 1 bearing unit SYE 2 NY –118
ening torque values are provided in table 8 • 1 bearing unit SYE 2 NH –118
(† page 704).

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