**NTN Bearing Inner Packaging Methods and Data Requirements** Home > Bearing Knowledge > NTN Bearing Inner Packaging Method and Data Requirements /*728*90 created on 2018/5/16*/ var cpro_id = "u3440131";

NTN Bearing Inner Packaging Methods and Data Requirements

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When it comes to the internal packaging of NTN bearings, proper handling is essential to ensure product integrity during transportation and storage. The following guidelines outline the recommended methods for different sizes of NTN bearings: 1. **Miniature NTN Bearings**: Each set of 10–15 miniature NTN bearings should be placed into a plastic cylinder. These cylinders are then packed into a carton, bag, or roll, depending on the quantity and customer requirements. 2. **Medium and Small NTN Bearings**: These bearings are typically wrapped in polyethylene film or kraft paper with a polyethylene composite layer. Multiple sets are placed into a plastic tube or box, while individual bearings are packed in polyethylene bags. The bag mouths should be folded or sealed before being placed into a larger carton. 3. **Large NTN Bearings**: Large bearings are first wrapped in polyethylene film or composite paper. They are then placed into a carton and covered with a polyethylene film bag. Each single bearing is folded and sealed in a bag before being packed into a special plastic box. For extra protection, a three-layer packaging method is used: inner layer with polyethylene tape or composite paper, middle layer with fastening tape, and an outer layer with waterproof and saturated plastic tape. 4. **Extra Large NTN Bearings**: For extra large bearings, a similar three-layer package is applied. Additionally, a four-layer wrapping may be used, where the outermost layer is wrapped with linen tape for added strength and protection. For separable tapered roller bearings with an outer diameter of ≥150mm, a polyethylene film should be placed between the inner and outer components before packaging, or they should be packaged separately. Similarly, exchangeable cylindrical roller bearings with an outer diameter ≥150mm should also be handled carefully to prevent damage during transport. **Outer Packaging Guidelines (as analyzed by industry experts):** - Double corrugated cartons are commonly used, with a maximum gross weight of 25kg per box. Plastic wrap is applied and secured with straps. - Wooden boxes (nail boxes) can also be used, with a maximum weight of 30kg per box. These are secured with blue steel strips. - Calcium plastic corrugated boxes are another option, with a weight limit of 25kg and plastic strapping used for securing. When placing internally packaged NTN bearings into the outer box, it’s important to first place a plastic bag or film at the bottom of the box. Any empty space should be filled with dry materials like corrugated paper or paper scraps to prevent movement and potential damage. --- **Related Bearing Knowledge:** Bearing data analysis after inspection of "double row deep groove ball bearing" damage, details on bearing operating conditions and environmental factors, low-noise bearing selection methods, and more. This article is linked from http:// Please indicate the source as China Bearing Network: http:// Previous: KOYO Motor Bearing Abnormal Sound Analysis and Handling Next: Bearing Ring Grinding Super Processing New Skills and Development (1) --- (Word count: 536)

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