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| Port | Tianjin;Qingdao |
| Packaging | 1. Industry package: Plastic paper + Carton + Pallet / Plywood box 2. Single Box: Plastic paper + Plastic bag + Single box + Carton + Pallet / Plywood box 3. According to your demand |
| Lead Time | One month after the order |
| Structure | Cylindrical | Type | Roller |
| Brand Name | ZFK | Bore Size | 140 mm |
| Outside Diameter | 250 mm | Model Number | NU228 NJ228 N228 NF228 NUP228 |
| Precision Rating | P0 P6 P5 P4 P2 | Seals Type | Open |
| Number of Row | Single Row, Single Row | Place of Origin | Hebei, China (Mainland) |
| Thickness | 42mm | Clearance | C0 C3 C4 |
| Hardness | 59-65 HRC | Material | Chrome steel |
| Cage: | brass nylon steel | Application | medium and large motors, generators,etc |
| Lubrication | oil or grease | Certification | ISO9001:2008 |
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