Roller bearing for crankshaft piston measures 13.8 x 10.2 x 12.7 Chainsaw Mitre Saw Models: STIHL 028 , 029 , 030 , 031 , 032 , 034 036 , 039 , 041 , 044 , BR 106 , BT 106 FR 106 , FR 108 , FS 20 , FS 90 , FS 96 , FS 106 FS 108 , FS 160 , FS 180 , FS 410 , FS 220 , FS 280 FS 290 , FS 360 , FS 420 , FS 500 , FS 550 MS 290 , MS 310 , MS 340 , MS 360 , MS 390 , TS 400 Code: 40271635 Original Code: 9512 003 2340 - 9512 535 2340 MP