Page 1070 - Rollingbearings

23 Adapter sleeves
Sleeves for oil Thread details for the oil supply ducts and
injection the appropriate hydraulic nut designations
are listed in the product tables, page 1072
For information about oil injection equip-
• enable use of the oil injection method to ment, refer to the catalogue SKF Main-
mount and dismount bearings tenance and Lubrication Products or online
• are equipped with the necessary oil supply at skf com/mapro
ducts and distribution grooves SKF manufactures sleeves for oil injection
– as standard for metric sleeves with a in four variants (table 1) Those with a
bore diameter ≥ 200 mm (size ≥ 44) designation sufix H are the SKF standard
– 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 inches (size ≥ 26)
• include OH (metric) series, and OSNW and
OSNP (inch) series

Table 1
Adapter sleeves for oil injection

OH ‥ H OH ‥ OH ‥ B OH ‥ HB
OSNW ‥ H OSNW ‥ OSNW ‥ B OSNW ‥ HB
OSNP ‥ H OSNP OSNP ‥ B OSNP ‥ HB
Designation sufix H None B HB
No. of oil supply ducts 1) for:
• all sleeves with a bore 1 1 1 1
diameter < 200 mm
• metric sleeves with a bore 1 1 2 2
23 diameter ≥ 200 mm
• inch sleeves with a bore 1 1 2 2
diameter ≥ 4 5 /16 inches
(made to order)
Position of oil supply duct(s) At the threaded end of the At the end opposite the At the end opposite the At the threaded end of the
sleeve threaded section threaded section sleeve
Position of distribution In the outside surface In the outside surface In the bore and in the In the bore and in the
groove(s) outside surface outside surface

1) When sleeves have two supply ducts, each duct feeds one of the distribution grooves An arrow on the sleeve side face, next to the duct inlet, indicates which groove the duct feeds

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