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Roller Bearing - Caged, NAU Series
- Volume Discount
IKO Machined Type Needle Roller Bearings have an outer ring made by machining, heat treatment, and grinding. The outer ring has stable high rigidity and can be easily used even for light alloy housings.
These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.
Part Number
Configured Part Number is shown.
| Shaft dia. mm | Identification number | Mass (Ref.) g | Boundary dimensions mm | Basic dynamic load rating C N | Basic static load rating C0 N | Allowable rotational speed rpm | |||||
| Caged type | d | D | C | rs min | J | Ew | |||||
| 10 | - NAU 4900 | 25.5 24.5 | 10 10 | 22 22 | 13 13 | 0.3 0.3 | 15.5 15.5 | 18.5 18.5 | 9 650 | 10 800 | 17 000 |
| 6 580 | 6 470 | 30 000 | |||||||||
| 12 | - NAU 4901 | 28.5 27.5 | 12 12 | 24 24 | 13 13 | 0.3 0.3 | 17 17 | 20 20 | 10 300 | 12 000 | 15 000 |
| 6 950 | 7 120 | 25 000 | |||||||||
| 15 | - NAU 4902 - | 38 36.5 80.5 | 15 15 15 | 28 28 33 | 13 13 20 | 0.3 0.3 0.3 | 21 21 19.5 | 24 24 27 | 11 800 | 15 200 | 12 000 |
| 7 950 | 9 020 | 20 000 | |||||||||
| 10 400 | 10 400 | 20 000 | |||||||||
| 17 | - NAU 4903 - | 41 39.5 100 | 17 17 17 | 30 30 34 | 13 13 25 | 0.3 0.3 0.3 | 22.5 22.5 21.5 | 25.5 25.5 29.5 | 12 300 | 16 500 | 11 000 |
| 8 240 | 9 670 | 19 000 | |||||||||
| 18 000 | 21 600 | 18 000 | |||||||||
| 20 | - NAU 4904 - - | 76.5 76 96.5 122 | 20 20 20 20 | 37 37 38 38 | 17 17 20 25 | 0.3 0.3 0.3 0.3 | 24 24 25 25 | 31.5 31.5 32.5 32.5 | 15 600 | 18 900 | 9 500 |
| 10 700 | 11 300 | 16 000 | |||||||||
| 12 100 | 13 400 | 16 000 | |||||||||
| 18 700 | 23 600 | 16 000 | |||||||||
| 25 | - NAU 4905 - | 89.5 89 154 | 25 25 25 | 42 42 44 | 17 17 25 | 0.3 0.3 0.3 | 29.5 29.5 30.5 | 37 37 38 | 17 500 | 23 200 | 7 500 |
| 11 900 | 13 900 | 13 000 | |||||||||
| 21 000 | 28 900 | 13 000 | |||||||||
| 28 | - | 173.0 | 28.0 | 45.0 | 30.0 | 0.3 | 31.5 | 39.5 | 28 700 | 43 800 | 12 000 |
| 30 | - NAU 4906 - | 103 102 197 | 30 30 30 | 47 47 48 | 17 17 30 | 0.3 0.3 0.3 | 34 34 35 | 41.5 41.5 42.5 | 19 400 | 27 600 | 6 500 |
| 13 000 | 16 200 | 12 000 | |||||||||
| 29 400 | 46 600 | 11 000 | |||||||||
| 32 | - | 260.0 | 32.0 | 52.0 | 30.0 | 0.6 | 38.0 | 46.0 | 29 800 | 44 200 | 10 000 |
| 35 | - NAU 4907 - | 172 168 270 | 35 35 35 | 55 55 56 | 20 20 30 | 0.6 0.6 0.6 | 40 40 40 | 49 49 49 | 28 700 | 43 800 | 5 500 |
| 19 500 | 26 300 | 10 000 | |||||||||
| 32 200 | 49 800 | 10 000 | |||||||||
| 85 | - - NAU 4917 - | 1 190 1 530 1 150 1 500 | 85 85 85 85 | 120 118 120 120 | 35 50 35 45 | 1.5 1 1.5 1.5 | 96 94.5 96 96.5 | 110 107.5 110 110 | 111 000 | 200 000 | 2 500 |
| 114 000 | 222 000 | 4 000 | |||||||||
| 75 400 | 120 000 | 4 000 | |||||||||
| 110 000 | 215 000 | 4 000 | |||||||||
| 90 | - NAU 4918 - | 1 250 1 210 1 740 | 90 90 90 | 125 125 125 | 35 35 50 | 1.5 1.5 1.5 | 101 101 101 | 115.5 115.5 114 | 114 000 | 211 000 | 2 500 |
| 79 500 | 130 000 | 4 000 | |||||||||
| 119 000 | 240 000 | 4 000 | |||||||||
| 95 | - NAU 4919 | 1 300 1 270 | 95 95 | 130 130 | 35 35 | 1.5 1.5 | 106 106 | 120.5 120.5 | 117 000 | 222 000 | 2 000 |
| 81 000 | 136 000 | 4 000 | |||||||||
| 100 | - - NAU 4920 | 1 850 1 900 1 770 | 100 100 100 | 140 135 140 | 40 50 40 | 1.5 1.5 1.5 | 114.5 112 114.5 | 129.5 125.5 129.5 | 152 000 | 292 000 | 2 000 |
| 124 000 | 264 000 | 3 500 | |||||||||
| 106 000 | 181 000 | 3 500 | |||||||||
| 105 | - | 2 890 | 105.0 | 153.0 | 50.0 | 1.5 | 120.0 | 138.0 | 159 000 | 286 000 | 3 500 |
| 110 | - NAU 4922 | 2 010 1 930 | 110 110 | 150 150 | 40 40 | 1.5 1.5 | 123 123 | 138.5 138.5 | 161 000 | 322 000 | 1 900 |
| 113 000 | 200 000 | 3 500 | |||||||||
| 120 | - NAU 4924 | 2 780 2 680 | 120 120 | 165 165 | 45 45 | 1.5 1.5 | 136 136 | 153.5 153.5 | 208 000 | 431 000 | 1 700 |
| 146 000 | 268 000 | 3 000 | |||||||||
| 125 | - | 4 490 | 125.0 | 178.0 | 60.0 | 1.5 | 143.5 | 162.0 | 211 000 | 408 000 | 3 000 |
| 130 | - NAU 4926 | 3 750 3 610 | 130 130 | 180 180 | 50 50 | 2 2 | 147 147 | 165.5 165.5 | 240 000 | 495 000 | 1 600 |
| 166 000 | 304 000 | 2 500 | |||||||||
| 135 | - | 4 790 | 135.0 | 188.0 | 60.0 | 1.5 | 154.0 | 172.5 | 220 000 | 442 000 | 2 500 |
| 140 | - NAU 4928 | 3 990 3 840 | 140 140 | 190 190 | 50 50 | 2 2 | 157.5 157.5 | 176 176 | 249 000 | 531 000 | 1 500 |
| 174 000 | 327 000 | 2 500 | |||||||||
| Part Number |
|---|
| NAU4901 |
| NAU4902 |
| NAU4903 |
| NAU4904 |
| NAU4905 |
| NAU4906 |
| NAU4908 |
| NAU4910 |
| NAU4911 |
| NAU4912 |
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Basic Information
| Raceway Ring Shape | Cylindrical Roller | Load Direction | Radial / Thrust | Inner/Outer Ring Material | Steel |
|---|---|---|---|---|---|
| Outer Ring | With Outer Ring | Number of Raceway Ring Rows | Double Row | Size Standards | Metric System |
| Specifications | Standard / Abrasion Resistance / For high Speed | Rolling Element Material | Steel | Format of Shaft Bearing | Holder Mounted |
| Shield Shape | Standard Shape | the Number of Oil Holes of Inner Wheel(piece) | 0 |
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Additional Products in this Category
- Thrust Self-Aligning Roller Bearing
- Tapered Roller Bearing - Double Row
- Cylindrical Roller Bearing - Double Row
- Crossed Roller Bearing - Open, Caged, CRBC Series
- Needle Roller Bearing - Separable Cage, Inner Ring, NAF Series
- Needle Roller Bearing - Without Inner Ring, Machined, RNA48 Series
- Needle Roller Bearing - Sealed Both Sides, Without Inner Ring, Machined, RNA49 Series
- Slim Crossed Roller Bearing - Sealed, Separator, CRBS Series
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