(19)

(11)

EP 2 268 841 A1

(12)

(43) Date of publication: 05.01.2011 Bulletin 2011/01 (21) Application number: 09726170.5 (22) Date of filing: 25.03.2009

(51) International Patent Classification (IPC):  C22C 38/06(2006.01) C22C 38/24(2006.01) C22C 38/34(2006.01) C21D 9/40(2006.01) C22C 38/22(2006.01) C22C 38/30(2006.01) C22C 38/38(2006.01) F16C 33/62(2006.01) (86) International application number: PCT/EP2009/002176 (87) International publication number: WO 2009/118166 (01.10.2009 Gazette 2009/40)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 25.03.2008 EP 08251054 (71) Applicant: Aktiebolaget SKF 415 50 Göteborg (SE)	(72) Inventor: SHERIF, Mohamed NL-3439 MT Nieuwegein (NL) (74) Representative: Setna, Rohan P. et al Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)