Roller bearing for crankshaft piston measures 16.7 x 13.2 x 17.4 Chainsaw Cut-off saw Models: HUSQVARNA 181 - 281 288 - 385 394 - 2101 - K 960 JONSERED 2094 - 2095 STIHL 050 - 051 - 075 - 076 084 - 088 - MS 880 - TS 50 TS 510 - TS 760 Code: 40271632 Original Code: 9512 003 3440 - 503 256101 501 817401 - 501 291501 MP