Guangzhou Zhonglu Automobile Bearing Co., LTD
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Gear box wheel bearing RNU0727 KOYO 90365-47013 Cylindrical roller bearings
Cylindrical Roller Bearing Specification
| Raceway Ring Shape | Cylindrical Roller | Load Direction | Radial |
| Outer Ring | With Outer Ring | I.D.(Ø) | 30 |
| O.D.(Ø) | 57 | Width(mm) | 21 |
| Inner/Outer Ring Material | [Steel] Steel | Precision (JIS) | Grade 0 |
| Number of Raceway Ring Rows | Single Row | Size Standards | Metric System |
| Specifications | Standard | Rolling Element Material | [Steel] Steel |
Cylindrical Roller Bearing Description
The rollers in a single row cylindrical roller bearing are always guided between the integral flanges on one of the rings. These flanges combined with special designed and surface finished roller ends, provide improved lubrication, reduced friction and consequently lower operating temperature. The outer ring of an NU design bearing has two integral flanges while innner ring has no flanges. Axial displacement of the shaft with respect to the housing can be accommodated in both directions. NU design bearings are normally selectes as locating bearings.
Cylindrical Roller Bearing Product number
| Model | d(mm) | D(mm) | B(mm) | | | N.S.K | KOYO |
| NU 2206 | 30 | 62 | 20 | | | NU 2206 | NU2206 |
| NU 2207 | 35 | 72 | 23 | | | NU 2207 | NU2207 |
| NU 2208 E | 40 | 80 | 23 | NU 2208 EC | NU2208E | NU 2208 E | NU2208R |
| NU 2208 | 40 | 80 | 23 | | | NU 2208 | NU2208 |
| NU 2209 E | 45 | 85 | 23 | NU 2209 EC | NU2209E | NU 2209 E | NU2209R |
| NU 2209 | 45 | 85 | 23 | | | NU 2209 | NU2209 |
| NU 2210 E | 50 | 90 | 23 | NU 2210 EC | NU2210E | NU 2210 E | NU2210R |
| NU 2210 | 50 | 90 | 23 | | | NU 2210 | NU2210 |
| NU 2211 E | 55 | 100 | 25 | NU 2211 EC | NU2211E | NU 2211 E | NU2211R |
| NU 2211 | 55 | 100 | 21 | | | NU 2211 | NU2211 |
| NU 2212 E | 60 | 110 | 28 | NU 2212 EC | NU2212E | NU 2212 E | NU2212R |
| NU 2213 E | 65 | 120 | 31 | NU 2213 EC | NU2212E | NU 2213 E | NU2213R |
Cylindrical Roller Bearing Applications
1. Material handling machinery:mining machinery, textile machinery, lifting equipment, Agricultural machinery: tractors, harvesting machinery, etc.
2. Heavy-duty mining machinery: metallurgical machinery, mining machinery, lifting machinery, loading and unloading machinery, industrial vehicles, cement equipment, etc.
3. Construction Machinery: forklifts, earth moving machinery, compaction machinery, concrete machinery, etc.
4. The general petrochemical machinery: oil drilling machinery, oil refining machinery, chemical machinery, gas compressors, paper machinery, printing machinery, etc.
5. Machine tools: forging machinery, foundry machinery, woodworking machinery, etc.
6. Car: truck, road, bus, car, modified car, motorcycle ,etc.
