이 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.
주요 특징
- 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
- 낮은 마찰 및 부드러운 작동
- Suitable for high-speed and heavy-duty applications
- Excellent durability and long service life
- Optional stainless steel and custom material versions
기술 사양
| 매개변수 | 값 |
|---|---|
| 베어링 모델 | NN3020 |
| 내경 (d) | 100 mm |
| 외경 (D) | 150 mm |
| 폭 (B) | 37 mm |
| 베어링 유형 | Double Row Cylindrical Roller Bearing (NN Type) |
| 재료 | 크롬 강철 / 스테인리스 강철 |
| 케이지 재료 | 강철 / 황동 |
| 윤활 | 그리스 / 오일 |
| 정밀도 등급 | P0 / P6 / P5 |
| 작동 온도 | -20°C ~ 120°C |
응용 프로그램
The NN3020 double row cylindrical roller bearing is widely used in:
- Steel rolling mills
- Heavy-duty industrial gearboxes
- Mining machinery
- 건설 장비
- Large electric motors
- Paper and textile machinery
- Industrial transmission systems
왜 저희를 선택해야 하나요
- 중량 베어링 제조에 강력한 능력
- OEM and custom engineering support available
- Advanced production and heat treatment technology
- 엄격한 품질 검사 및 테스트 시스템
- Fast global delivery and stable supply
자주 묻는 질문
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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