Excavator Carrier Roller SUMITOMO SH200 SH350 SH450

1.Before assembling rollers, smooth the sharp part of spare parts and do the deburring, also clean the inner holes of the roller body and oil seal etc.
2.Do not break and scratch any part of the sealing parts(such as oil seal etc)
3.Do not oil and distort the rubber floating seal ring during assembling the rollers.
4.A small amount of oil should be covered/coated on the contact surface while pressing the floating oil seal.
5.After finishing the assembling process, fill in 80% of clean extreme-pressure vehicle gear oil and confirm no leaking 4 hours later.
6.The color of rollers are customized.