Этот 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.
Ключевые особенности
- 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
- Низкое трение и плавная работа
- Suitable for high-speed and heavy-duty applications
- Excellent durability and long service life
- Optional stainless steel and custom material versions
Технические характеристики
| Параметр | Значение |
|---|---|
| Модель подшипника | NN3020 |
| Внутренний диаметр (d) | 100 mm |
| Внешний диаметр (D) | 150 mm |
| Ширина (B) | 37 mm |
| Тип подшипника | Double Row Cylindrical Roller Bearing (NN Type) |
| Материал | Хромовая сталь / Нержавеющая сталь |
| Материал сепаратора | Сталь / Латунь |
| Смазка | Смазка / Масло |
| Класс точности | P0 / P6 / P5 |
| Рабочая температура | -20°C до 120°C |
Применения
The NN3020 double row cylindrical roller bearing is widely used in:
- Steel rolling mills
- Heavy-duty industrial gearboxes
- Mining machinery
- Строительная техника
- Large electric motors
- Paper and textile machinery
- Industrial transmission systems
Почему выбирают нас
- Сильные возможности в производстве подшипников для тяжелых условий эксплуатации
- OEM and custom engineering support available
- Advanced production and heat treatment technology
- Строгая система контроля качества и испытаний
- Fast global delivery and stable supply
Часто задаваемые вопросы
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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