Signswise 2 Pack Crankshaft Bearing + Oil Seal For Stihl Ms210 Ms230 Ms250 021 023 025 Chainsaw New high quality replacement parts Fits stihl 021/023/025/ms210/ms230/ms250 chainsaw Bearing diameter: inside: 15mm, outside: 35mm Oil seal size: 15x25x5 FREE SHIPPING from China via ePacket, usually takes about 10-15 business days for the delivery