Designs and variants

SKF supplies metric adapter sleeves, with a metric or an inch bore, and inch adapter sleeves. The sleeves are slit and are supplied complete with a lock nut and locking device:
  • Smaller sizes have a nut and a lock washer (fig. 1).
  • Larger sizes have a nut and a locking clip (fig. 2) or locking plate (fig. 3).

Metric sleeves:

  • with a bore diameter ≤ 180 mm (size ≤ 40) are phosphated
  • with a bore diameter > 180 mm are coated with a solventless rust inhibitor

Inch sleeves are coated with a solventless rust inhibitor.

Adapter sleeves listed in the product tables constitute the standard SKF assortment and are only part of the complete assortment. For larger sizes (bore diameter ≥ 1 060 mm) and variants not listed, contact SKF.

Sleeves for oil injection
  • enable use of the oil injection method to mount and dismount bearings
  • are equipped with the necessary oil supply ducts and distribution grooves
    • as standard for metric sleeves with a bore diameter ≥ 200 mm (size ≥ 44)
    • on request for metric sleeves with a bore diameter ≥ 140 mm to < 200 mm
    • on request for inch sleeves with a bore diameter ≥ 4 5/16 in. (size ≥ 26)
  • include OH (metric) series, and OSNW and OSNP (inch) series (fig. 4, fig. 5, fig. 6 and fig. 7)
Thread details for the oil supply ducts and the appropriate hydraulic nut designations are listed in the product tables. For information about oil injection equipment, refer to the catalogue SKF Maintenance and Lubrication Products or visit Hydraulic tools for mounting and dismounting.

SKF manufactures sleeves for oil injection in four variants (table 1). Those with a designation suffix H are the SKF standard.

Sleeves for CARB toroidal roller bearings
  • are specially designed to prevent the locking device from interfering with the cage

SKF manufactures sleeves for CARB toroidal roller bearings in three variants:

  • Sleeves with the designation suffix E
    • are supplied with a KMFE lock nut (fig. 8) in place of the standard KM lock nut and MB lock washer
    • are supplied with an HME lock nut (fig. 9) in place of the standard HM 30 or HM 31 lock nut
  • Sleeves with the designation suffix L
    • are supplied with a KML lock nut and MBL lock washer (fig. 10), both with low sectional height, in place of the standard KM lock nut and MB lock washer
  • Sleeves with the designation suffix TL
    • are supplied with an HM 30 lock nut and MS 30 locking clip (fig. 11), both with low sectional height, in place of the standard HM .. T lock nut and MB lock washer
When using CARB bearings, check that there is sufficient space on both sides of the bearing to accommodate axial displacement.
Sleeves for sealed bearings
  • are specially designed to prevent the locking device from interfering with the seals of sealed spherical roller bearings and sealed self-aligning ball bearings
  • have the designation suffixes E (fig. 12, fig. 13), EL, EH, L (fig. 14) and TL (fig. 15)
Adapter sleeve assemblies with the designation suffix EL or EH are supplied with one of the following:
  • a KMFE .. L lock nut (fig. 16), which has a lower abutment diameter than the standard KMFE lock nut
  • a KMFE .. H lock nut (fig. 17), which has a higher abutment diameter than the standard KMFE lock nut
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