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Single Row NJ203 Bearing High Load 17x40x12 Roller Bearing Industrial / Textile Use
NJ203 Cylindrical Roller Bearing 17x40x12mm - High Load, Industrial/Textile Use
Product Overview
The NJ203 is a single-row cylindrical roller bearing designed to efficiently handle complex mechanical operating conditions. It meets stringent requirements for high precision, high load capacity, and long service life in various industrial applications.
Structural Design
Inner and Outer Ring Structure:
Outer ring features integral ribs on both sides for enhanced stability and prevention of axial roller movement
Inner ring equipped with single-side rib to accommodate axial displacement from thermal expansion
Rollers and Cage:
Cylindrical roller design optimized for load capacity and operational stability
High-quality cage material guides roller movement, reducing vibration and noise at high speeds
Key Technical Parameters
Parameter
Value
Application Advantages
Inner Diameter
17mm
Compatible with small mechanical shafts in compact equipment
Outer Diameter
40mm
Provides sufficient bearing area in limited space
Width
12mm
Meets structural strength while considering axial space constraints
Dynamic Load Capacity
12,600N (NACHI) / 20kN (SKF)
Suitable for mechanical components with frequent start-stop operations
Static Load Capacity
7,950N (NACHI) / 14.3kN (SKF)
Stably supports equipment weight and static external forces
Limiting Speed (Grease)
16,000r/min (NACHI) / 20,000r/min (SKF)
Suitable for high-speed textile machinery under grease lubrication
Limiting Speed (Oil)
19,000r/min (NACHI) / 22,000r/min (SKF)
Higher speeds with oil lubrication for demanding applications
Performance Advantages
High Radial Load Capacity: Withstands larger radial loads than comparable bearings, ideal for heavy-duty equipment
High-Speed Stability: Maintains excellent stability with low vibration and noise at high speeds
Long Service Life: High-quality materials and design ensure extended operational life
Separable Design: Simplifies installation and maintenance processes
Application Fields
Industrial Machinery: Transmission systems, reducers, conveyor belt drives
Mining Equipment: Small hoists, crushers in harsh working conditions
Textile Machinery: High-speed rollers and spindles requiring precision and low vibration
Introduction:1.Covering an area of 80 mu (about 53,333 square meters), our factory has a 60-person team including 4 professional engineers, ensuring stable production and technical support.
2. Focusing on bearing production for 25 years, quality is our only guarantee3. Wafangdian Bearing Factory was... Introduction:1.Covering an area of 80 mu (about 53,333 square meters), our factory has a 60-person team including 4 professional engineers, ensuring stable production and technical support.
2. Focusing on bearing production for 25 years, quality is our only guarantee3. Wafangdian Bearing Factory was...
