Koyo NA4920 Needle Roller Bearing, Precision Ground, Steel Cage, Open End, Oil Hole, Metric, 100mm ID, 140mm OD, 40mm Width
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Product details
| Management number | 221485352 | Release Date | 2026/05/03 | List Price | $83.80 | Model Number | 221485352 | ||
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This Koyo radial needle roller bearing has a steel cage and an oil hole, and is suitable for applications with high dynamic and static loads. It has an inner ring to provide a hardened and ground roller raceway for applications in which the shaft cannot be used as a raceway. The steel cage provides guidance and even spacing of the rollers for reduced friction, vibration, and noise when operated at high speeds. The needle rollers are made of through-hardened, high-carbon chromium steel for durability and heat tolerance, and the outer ring has a lubrication groove and an oil hole for applying lubrication in place.
- Radial needle roller bearing for applications with high dynamic and static loads
- Inner ring provides a hardened and ground raceway for applications where the shaft cannot be used
- Steel cage guides and evenly spaces rollers for reduced friction, vibration, and noise
- Through-hardened, high-carbon chromium steel rollers for heat tolerance and durability under heavy loads
- Lubrication groove and oil hole for applying lubrication in place
| UPC | 605790196416 |
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| Model | NA4920 |
| Brand Name | Koyo |
| Item Weight | 4.44 Pounds |
| Part Number | NA4920 |
| Manufacturer | Koyo |
| Material Type | Alloy Steel |
| Item Dimensions | 5.51 x 1.57 x 5.51 inches |
| Included Components | Bearing |
| Global Trade Identification Number | 00605790196416 |
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