Dongguan Kesle Electronic Hardware Co., Ltd
| Bore Type | cylindrical bore hole |
| Delivery Time | 5-8 work days |
| Advantage | Low vocie,high speed, long life |
| Precision Rating | P0 |
| Part Name | NJ208EM Cylindrical Roller Bearing |
| Precision Level | P0、 P6 |
| Customized | Acceptable |
| Material | Chrome Steel |
| Payment Terms | T/T,Western Union,MoneyGram,PayPal |
| Model No | NJ208EM |
| Model Number | NJ208EM |
| Place of Origin | CHINA |
| Brand Name | Kesle |
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Product Specification
| Bore Type | cylindrical bore hole | Delivery Time | 5-8 work days |
| Advantage | Low vocie,high speed, long life | Precision Rating | P0 |
| Part Name | NJ208EM Cylindrical Roller Bearing | Precision Level | P0、 P6 |
| Customized | Acceptable | Material | Chrome Steel |
| Payment Terms | T/T,Western Union,MoneyGram,PayPal | Model No | NJ208EM |
| Model Number | NJ208EM | Place of Origin | CHINA |
| Brand Name | Kesle | ||
| High Light | Chrome Steel Cylindrical Roller Bearing ，NJ208EM Single Row Bearings ，Chrome Steel Single Row Bearings | ||
The NJ208EM cylindrical roller bearing is a benchmark product among high-performance single-row cylindrical roller bearings, designed specifically for high radial load and continuous high-speed operation scenarios. It boasts excellent reliability and cost performance. As a classic single-row model, its structure of double-rib inner ring and solid cage (denoted by the suffix "EM") facilitates installation, debugging, and preload control, making it widely used in automotive gearboxes, precision machine tool spindles, construction machinery transmission systems, and other fields.
| Parameter | Value |
|---|---|
| Inner diameter | 40mm |
| Outer diameter | 80mm |
| Width | 18mm |
| Material | Vacuum-degassed bearing steel (oxygen content ≤10ppm) with a hardness of HRC61-65 |
| Service Life | 25% longer than that of traditional bearings |
| Radial load capacity | 62kN |
| Axial load capacity | 7.2kN |
| Limiting speed | 9500r/min (grease lubrication), 13000r/min (oil lubrication) |
| Precision grades | P0 (general grade) and P6 (precision grade) |
| P6 grade details | Raceway roundness error is ≤1.2μm, and the vibration value is reduced by 25% |
Material Innovation
Uses vacuum-degassed GCr15 bearing steel. Its microstructure is optimized through quenching + tempering processes, with wear resistance increased by 20% compared to ordinary electroslag steel. It is suitable for harsh environments such as high dust, strong impact, and a temperature range of -30℃ to 120℃.
Precision Design
Double-rib inner ring: Effectively restricts axial movement of rollers, improves the positioning accuracy of transmission systems, and adapts to the needs of high-precision equipment.
Solid cage (suffix "EM"): Optimizes the roller guidance trajectory, reduces friction loss by 18%, and significantly enhances stability during high-speed operation.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other
Total Annual:
10000000-20000000
Employee Number:
50~80
Ecer Certification：
Verified Supplier
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...
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