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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.
NTB75100
Shaft dia. mm | Identification number | Boundary dimensions mm | Basic dynamic load rating C N | Basic static load rating C0 N | Allowable rotational speed rpm | |||||||||||||
Thrust needle roller bearing | Mass (Ref.) g | Thrust washer | Mass (Ref.) g | Inner ring | Outer ring | Mass (Ref.) g | d | D | Dw | s | B | rs min | Ci | Ce | ||||
10 | NTB 1024 | 3.3 | AS 1024 | 2.9 | WS 1024 | GS 1024 | 8.0 | 10 | 24 | 2 | 1 | 2.75 | 0.3 | 14 | 22 | 7 820 | 23 900 | 15 000 |
12 | NTB 1226 | 3.8 | AS 1226 | 3.2 | WS 1226 | GS 1226 | 8.9 | 12 | 26 | 2 | 1 | 2.75 | 0.3 | 16 | 24 | 8 340 | 26 900 | 13 000 |
15 | NTB 1528 | 4.1 | AS 1528 | 3.4 | WS 1528 | GS 1528 | 9.3 | 15 | 28 | 2 | 1 | 2.75 | 0.3 | 18 | 26 | 8 830 | 29 900 | 12 000 |
16 | NTB 1629 | 4.3 | AS 1629 | 3.6 | WS 1629 | GS 1629 | 9.8 | 16 | 29 | 2 | 1 | 2.75 | 0.3 | 19 | 27 | 9 070 | 31 400 | 11 000 |
17 | NTB 1730 | 4.5 | AS 1730 | 3.7 | WS 1730 | GS 1730 | 10.2 | 17 | 30 | 2 | 1 | 2.75 | 0.3 | 20 | 28 | 9 320 | 32 900 | 11 000 |
18 | NTB 1831 | 4.7 | AS 1831 | 3.9 | WS 1831 | GS 1831 | 10.7 | 18 | 31 | 2 | 1 | 2.75 | 0.3 | 21 | 29 | 9 550 | 34 400 | 10 000 |
20 | NTB 2035 | 6.1 | AS 2035 | 5.0 | WS 2035 | GS 2035 | 13.8 | 20 | 35 | 2 | 1 | 2.75 | 0.3 | 23 | 33 | 11 700 | 46 500 | 9 000 |
25 | NTB 2542 | 8.2 | AS 2542 | 6.9 | WS 2542 | GS 2542 | 21.0 | 25 | 42 | 2 | 1 | 3.00 | 0.6 | 29 | 40 | 14 400 | 64 700 | 7 500 |
30 | NTB 3047 | 9.4 | AS 3047 | 7.9 | WS 3047 | GS 3047 | 24.0 | 30 | 47 | 2 | 1 | 3.00 | 0.6 | 34 | 45 | 15 400 | 73 300 | 6 500 |
35 | NTB 3552 | 10.6 | AS 3552 | 8.9 | WS 3552 | GS 3552 | 31.5 | 35 | 52 | 2 | 1 | 3.50 | 0.6 | 39 | 50 | 16 300 | 81 900 | 5 500 |
40 | NTB 40603 | 22.0 | AS 4060 | 12.1 | WS 4060 | GS 4060 | 42.5 | 40 | 60 | 3 | 1 | 3.50 | 0.6 | 45 | 57 | 24 200 | 108 000 | 5 000 |
45 | NTB 4565 | 24.5 | AS 4565 | 13.3 | WS 4565 | GS 4565 | 53.5 | 45 | 65 | 3 | 1 | 4.00 | 0.6 | 50 | 62 | 25 900 | 121 000 | 4 500 |
50 | NTB 5070 | 26.5 | AS 5070 | 14.5 | WS 5070 | GS 5070 | 58.5 | 50 | 70 | 3 | 1 | 4.00 | 0.6 | 55 | 67 | 27 600 | 135 000 | 4 000 |
55 | NTB 5578 | 33.5 | AS 5578 | 18.5 | WS 5578 | GS 5578 | 93.0 | 55 | 78 | 3 | 1 | 5.00 | 0.6 | 61 | 75 | 32 400 | 171 000 | 4 000 |
60 | NTB 6085 | 38.5 | AS 6085 | 22.0 | WS 6085 | GS 6085 | 105.0 | 60 | 85 | 3 | 1 | 4.75 | 1.0 | 66 | 82 | 38 200 | 219 000 | 3 500 |
65 | NTB 6590 | 41.5 | AS 6590 | 23.5 | WS 6590 | GS 6590 | 124.0 | 65 | 90 | 3 | 1 | 5.25 | 1.0 | 71 | 87 | 40 100 | 237 000 | 3 000 |
70 | NTB 7095 | 61.0 | AS 7095 | 25.0 | WS 7095 | GS 7095 | 132.0 | 70 | 95 | 4 | 1 | 5.25 | 1.0 | 75 | 91 | 47 400 | 244 000 | 3 000 |
75 | NTB 75100 | 65.0 | AS 75100 | 26.5 | WS 75100 | GS 75100 | 153.0 | 75 | 100 | 4 | 1 | 5.75 | 1.0 | 80 | 96 | 48 400 | 256 000 | 3 000 |
80 | NTB 80105 | 68.5 | AS 80105 | 28.0 | WS 80105 | GS 80105 | 162.0 | 80 | 105 | 4 | 1 | 5.75 | 1.0 | 85 | 101 | 49 500 | 267 000 | 2 500 |
85 | NTB 85110 | 72.0 | AS 85110 | 29.5 | WS 85110 | GS 85110 | 170.0 | 85 | 110 | 4 | 1 | 5.75 | 1.0 | 90 | 106 | 50 300 | 279 000 | 2 500 |
90 | NTB 90120 | 92.0 | AS 90120 | 38.0 | WS 90120 | GS 90120 | 250.0 | 90 | 120 | 4 | 1 | 6.50 | 1.0 | 96 | 116 | 64 500 | 394 000 | 2 500 |
100 | NTB 100135 | 119.0 | AS 100135 | 50.0 | WS 100135 | GS 100135 | 350.0 | 100 | 135 | 4 | 1 | 7.00 | 1.0 | 107 | 131 | 80 300 | 541 000 | 2 000 |
110 | NTB 110145 | 129.0 | - | - | WS 110145 | GS 110145 | 380.0 | 110 | 145 | 4 | - | 7.00 | 1.0 | 117 | 141 | 83 200 | 578 000 | 2 000 |
120 | NTB 120155 | 139.0 | - | - | WS 120155 | GS 120155 | 410.0 | 120 | 155 | 4 | - | 7.00 | 1.0 | 127 | 151 | 87 900 | 634 000 | 1 800 |
130 | NTB 130170 | 225.0 | - | - | WS 130170 | GS 130170 | 660.0 | 130 | 170 | 5 | - | 9.00 | 1.0 | 137 | 165 | 120 000 | 839 000 | 1 700 |
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Raceway Ring Shape | Needle Roller | Load Direction | Radial / Thrust | Outer Ring | With Outer Ring |
---|---|---|---|---|---|
Precision (JIS) | Grade 0 | Size Standards | Metric System | Specifications | Standard / For high Speed |
Format of Shaft Bearing | Thrust Needle Bearing |
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