この NN3020 Double Row Cylindrical Roller Bearing is a high-capacity precision bearing designed for applications requiring extremely high radial load capacity and excellent rigidity. Its double-row structure significantly increases load performance while maintaining stable operation under heavy-duty conditions.
Unlike single-row bearings, the NN type features a non-locating design that allows axial displacement, making it ideal for systems where thermal expansion must be accommodated. This ensures smooth operation and reduced internal stress during continuous industrial use.
Manufactured from high-quality chrome steel and available in stainless steel or special material options, the NN3020 bearing delivers long service life, low friction, and high reliability in demanding environments such as steel production, mining, and heavy machinery.
主な特徴
- Double row cylindrical roller design for ultra-high radial load capacity
- High rigidity and stable performance under heavy loads
- Non-locating structure allows axial displacement
- 低摩擦とスムーズな操作
- Suitable for high-speed and heavy-duty applications
- Excellent durability and long service life
- Optional stainless steel and custom material versions
技術仕様
| パラメータ | 値 |
|---|---|
| ベアリングモデル | NN3020 |
| 内径 (d) | 100 mm |
| 外径 (D) | 150 mm |
| 幅 (B) | 37 mm |
| ベアリングタイプ | Double Row Cylindrical Roller Bearing (NN Type) |
| 材料 | クロム鋼 / ステンレス鋼 |
| ケージ材料 | 鋼 / 真鍮 |
| 潤滑 | グリース / オイル |
| 精度等級 | P0 / P6 / P5 |
| 動作温度 | -20°Cから120°C |
アプリケーション
The NN3020 double row cylindrical roller bearing is widely used in:
- Steel rolling mills
- Heavy-duty industrial gearboxes
- Mining machinery
- 建設機械
- Large electric motors
- Paper and textile machinery
- Industrial transmission systems
なぜ私たちを選ぶのか
- 重負荷ベアリング製造における強力な能力
- OEM and custom engineering support available
- Advanced production and heat treatment technology
- 厳格な品質検査および試験システム
- Fast global delivery and stable supply
よくある質問
Q1: What is the advantage of double row cylindrical roller bearings?
A: They provide significantly higher radial load capacity and improved rigidity compared to single-row designs.
Q2: What is the difference between NN and NNU types?
A: NN type allows axial displacement of the shaft, while NNU type allows axial displacement of the housing.
Q3: Can NN3020 be used in heavy industrial applications?
A: Yes, it is specifically designed for heavy-load environments such as steel mills and mining equipment.
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