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  • NAX-Needle Roller Bearing With Thrust Ball Bearing

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IKO Combined Type Needle Roller Bearings are a compact and highly economical solution, combining a radial bearing (Needle Roller Bearing) and a thrust bearing into a single unit. This design allows them to simultaneously handle heavy radial loads and axial loads, making them ideal for applications requiring high rigidity and load-bearing capacity in a small space.
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Shaft dia. (mm) NATA Model Mass (g) NATB Model Mass (g) d D C B rs min Fw da min Da max C Radial C Axial C₀ Radial C₀ Axial Speed (min⁻¹)
15 NATA 5902 50.5 NATB 5902 53 15 28 18 20 0.3 20 17 26 7710 1900 10200 2920 20000
17 NATA 5903 55.5 NATB 5903 58.5 17 30 18 20 0.3 22 19 28 8220 2050 11500 3340 18000
20 NATA 5904 111 NATB 5904 115 20 37 23 25 0.3 25 22 35 14300 3810 18400 6110 16000
25 NATA 5905 131 NATB 5905 136 25 42 23 25 0.3 30 27 40 15800 4300 22100 7520 13000
30 NATA 5906 151 NATB 5906 157 30 47 23 25 0.3 35 32 45 17700 4550 26800 8460 11000
35 NATA 5907 250 NATB 5907 260 35 55 27 30 0.6 42 39 51 24000 4890 42100 9870 9500
40 NATA 5908 355 NATB 5908 375 40 62 30 34 0.6 48 44 58 30600 5350 60400 11800 8500
45 NATA 5909 410 NATB 5909 435 45 68 30 34 0.6 55 49 64 32600 5450 68500 12700 7000
50 NATA 5910 420 NATB 5910 445 50 72 30 34 0.6 58 54 68 33600 5660 72500 13600 7000
55 NATA 5911 585 NATB 5911 615 55 80 34 38 1 63 60 75 39500 10400 74400 24700 6500
60 NATA 5912 625 NATB 5912 660 60 85 34 38 1 68 65 80 41800 10700 82200 26700 6000
65 NATA 5913 665 NATB 5913 710 65 90 34 38 1 75 70 85 43800 11000 90200 28700 5500
70 NATA 5914 1070 NATB 5914 1130 70 100 40 45 1 80 75 95 56400 13500 127000 35000 5000

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