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Requirements of NTN bearing inner packing method principle:
The micro NTN bearings: every 10 ~ 15 sets of NTN bearings mounted in a plastic tube, every 5 ~ 10 a plastic tube into a box (or bag, Juan Bao). The medium and small NTN bearing: NTN bearings with polyethylene film, topical paper kraft paper or polyethylene composite winding; multiple NTN bearings mounted in a plastic tube (box); polyethylene film bag packing a single set of NTN bearing, folding or seal the bag and then in a carton.
The large NTN bearings:
Polyethylene composite paper with polyethylene film or single package, and then loaded into a tray; polyethylene film bag, single set packing after folding bag, then in a box; a single set into a special plastic box; a single set of three layer wrapped package: or composite tape with polyethylene film with the inner layer, middle layer with the fastening belt with waterproof permeability plastic outer belt.
The extra large type bearing NTN:
A single set of three layer wrapped package (ibid.); single by four layer wrapped package: in the three layer wrapped package, the outermost be wrapped around wrapped in a layer of burlap band.
The outer diameter of more than 150mm can be separated type tapered roller bearings before NTN, before packing inner and outer components shall be liner polyethylene film, or inner and outer component separate packaging. Interchangeable cylindrical roller bearing outer diameter greater than or equal to 150mm of NTN, a complete package for easy knock injuries, the general use of the internal and external component separate packaging.
NTN bearing outer packaging general materials and requirements are as follows:
The double corrugated boxes, each box weight (gross) does not exceed 25kg, box pack plastic strapping; the nail plate box (wooden box), the total weight of each box does not exceed 30kg, case blue strip strapping; calcium plastic corrugated boxes, each box weight not exceeding 25kg, love with plastic box packing strapping.