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#CODE
- Discontinued Products
Combination Needle Roller/Three-Point Ball Bearing - NATB Series
- Volume Discount
IKO Combined Type Needle Roller Bearings arecombinations of a radial bearing and a thrust bearing.Caged needle roller bearings are used as radial bearings and thrust ball bearings or thrust roller bearingsare used as thrust bearings. They are compact andvery economical, and can be subjected to radial loadsand axial loads simultaneously.They are widely used for machine tools, textilemachinery, and industrial machiner
Part Number
Configured Part Number is shown.
| Shaft dia. mm | Identification number | Boundary dimensions mm | Standard mounting dimensions mm | Basic dynamic load rating C | Basic static load rating C0 | Allowable rotational speed(2) min-1 | |||||||||||||
| Angular contact type | Mass (Ref.) g | Three-point contact type | Mass (Ref.) g | d | D | C | B | rs min(1) | Fw | da Min. | Da Max. | Radial N | Axial N | Radial N | Axial N | ||||
| 15 | NATA 5902 | 50.50 | NATB 5902 | 53.00 | 15.00 | 28.00 | 18.00 | 20.00 | 0.30 | 20.00 | 17.00 | 26.00 | 7 710 | 1 900 | 10 200 | 2 920 | 20 000 | ||
| 17 | NATA 5903 | 55.50 | NATB 5903 | 58.50 | 17.00 | 30.00 | 18.00 | 20.00 | 0.30 | 22.00 | 19.00 | 28.00 | 8 220 | 2 050 | 11 500 | 3 340 | 18 000 | ||
| 20 | NATA 5904 | 111.00 | NATB 5904 | 115.00 | 20.00 | 37.00 | 23.00 | 25.00 | 0.30 | 25.00 | 22.00 | 35.00 | 14 300 | 3 810 | 18 400 | 6 110 | 16 000 | ||
| 25 | NATA 5905 | 131.00 | NATB 5905 | 136.00 | 25.00 | 42.00 | 23.00 | 25.00 | 0.30 | 30.00 | 27.00 | 40.00 | 15 800 | 4 300 | 22 100 | 7 520 | 13 000 | ||
| 30 | NATA 5906 | 151.00 | NATB 5906 | 157.00 | 30.00 | 47.00 | 23.00 | 25.00 | 0.30 | 35.00 | 32.00 | 45.00 | 17 700 | 4 550 | 26 800 | 8 460 | 11 000 | ||
| 35 | NATA 5907 | 250.00 | NATB 5907 | 260.00 | 35.00 | 55.00 | 27.00 | 30.00 | 0.60 | 42.00 | 39.00 | 51.00 | 24 000 | 4 890 | 42 100 | 9 870 | 9 500 | ||
| 40 | NATA 5908 | 355.00 | NATB 5908 | 375.00 | 40.00 | 62.00 | 30.00 | 34.00 | 0.60 | 48.00 | 44.00 | 58.00 | 30 600 | 5 350 | 60 400 | 11 800 | 8 500 | ||
| 45 | NATA 5909 | 410.00 | NATB 5909 | 435.00 | 45.00 | 68.00 | 30.00 | 34.00 | 0.60 | 55.00 | 49.00 | 64.00 | 32 600 | 5 450 | 68 500 | 12 700 | 7 000 | ||
| 50 | NATA 5910 | 420.00 | NATB 5910 | 445.00 | 50.00 | 72.00 | 30.00 | 34.00 | 0.60 | 58.00 | 54.00 | 68.00 | 33 600 | 5 660 | 72 500 | 13 600 | 7 000 | ||
| 55 | NATA 5911 | 585.00 | NATB 5911 | 615.00 | 55.00 | 80.00 | 34.00 | 38.00 | 1.00 | 63.00 | 60.00 | 75.00 | 39 500 | 10 400 | 74 400 | 24 700 | 6 500 | ||
| 60 | NATA 5912 | 625.00 | NATB 5912 | 660.00 | 60.00 | 85.00 | 34.00 | 38.00 | 1.00 | 68.00 | 65.00 | 80.00 | 41 800 | 10 700 | 82 200 | 26 700 | 6 000 | ||
| 65 | NATA 5913 | 665.00 | NATB 5913 | 710.00 | 65.00 | 90.00 | 34.00 | 38.00 | 1.00 | 75.00 | 70.00 | 85.00 | 43 800 | 11 000 | 90 200 | 28 700 | 5 500 | ||
| 70 | NATA 5914 | 1 070 | NATB 5914 | 1 130 | 70.00 | 100.00 | 40.00 | 45.00 | 1.00 | 80.00 | 75.00 | 95.00 | 56 400 | 13 500 | 127 000 | 35 000 | 5 000 | ||
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Basic Information
| Raceway Ring Shape | Composite 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 | Outer Ring Type | Semicircular Grooved |
Specification/Dimensions
-
I.D. d(Ø)
-
O.D. D(Ø)
-
Width B(mm)
-
Format of Shaft Bearing
- Angular type with holder including ball bearings
- Three-point contact type with holder including ball bearings
-
type
- NATA
- NATB
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 8 Days or Less
- 11 Days or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Additional Products in this Category
- Combination Needle Roller/Thrust Ball Bearing - With Inner Ring
- Tapered Roller Bearing - Single or Double Row
- Needle Roller Bearing - Caged
- Thrust Cylindrical Roller Bearing - GS-Shaped Outer Ring, Single Row
- Needle Roller Bearing - Without Ribs, NAO Series
- Needle Roller Bearing - Without Inner Ring, Machined, RNA69 Series
- Combination Needle Roller/Thrust Ball Bearing - With Inner Ring, NAXI Series
- Crossed Roller Bearing - Separator, High Rigidity, CRBH Series
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