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2,SPD Conveyor Idler Technical Information:

1. Brand: SPD
2, Lift time: 30000-50000hours
3, Production capacity: as usual 800pieces/day.
4. Roller Diameter: 76-219mm.
5. Roller Length: 190mm to 3500mm.
6. Roller Pipe: Q235 carbon steel,high-precision ERW seam pipe with state-of roundness and straightness to ensure well-balanced rotation.
7. Shaft: Accurate shaft are made of cold-drawn bright round steel, which is superior in corrosion resistance and stiffness.We have strict control over tolerance of shaft dimension and surface quality.The service lifespan can be well secured and proloned.
8. Bearing: Ball bearing provided with C3 group of clearance, ZZ shield deep-groove to ensure a nice fit and off-set any expected temperature rise during operation by means of internal clearance OR according to your requirements. 
9. Bearing brand: SKF,FAG,NSK, LYC,HRB, or according to    your requirements.
10. Seals: The babyrinth seal structure is of non-contact type, and durable and has less rotation-resistance and long life-span as to be of optimum structure, particularly for a long-distance and large capacity conveyor for bulk material. It is approved from the testing of national authoritative organization that Seal employed is of dustproof and waterproof type, whose performance proved to be satisfactory and has by a long way exceeded the GB and JIS standard after our repeated research and development.Factory high quality greased full for life .
11. Color: black, red, blue, yellow available , or according to your requirement.
12. Finish:  Ordinary painting/Rubber/Steel screw/Galvanized.
13. Welding: Mixed gas shielded arc welding end .
14. Professional designing and inspection team.
15. Standard: ISO/Australia/CEMA/JIS/DIN.
16.Package: Export standard plywood cases with waterproofing film.                                                 

3,Main Features of  SPD Conveyor Idler
1,The bearing housing and steel tube are assembled and welded  with a concentric automatic, welding machine.
2,Cuting of the steel tube and bearing is performed with the use of a digital aute device/machine/equipment.
3,Fabrication of the roller is effected by an auto device and 100% tested for its concentricity.
4,Roller and supporting components/materials are   manufactured to ISO/BS/JIS/DIN//CEMA/Australia etc. standard.