Koyo/JTEKT NTA-4458 Thrust Needle Roller 2-3/4 x 3-5/8 x 1/8"
Available
Koyo/JTEKT NTA-4458. Pure axial load in compact axial space. Thrust needle roller. Pairs with matching thrust components. Thrust Needle Roller - Cage & Roller Assembly (NTA) is for axial-thrust applications where radial space is limited.
Type: Thrust needle roller bearing. Component: Thrust needle roller. Load: Pure axial. Cage: Steel. / Koyo.
Available Sizes
16 sizes available — select the exact size you need from the dropdown above. Key figures for each:
| Inside Diameter (inch) | Shaft Diameter (in) | Load Rating Dynamic C (kn) | Load Rating Static Co (kn) | Speed Rating Min-1 |
|---|---|---|---|---|
| 2 3/4 | 2 3/4 | 47.6 | 255.8 | 4600 |
| 3 1/4 | 3 1/4 | 51.6 | 294.9 | 4000 |
| 3 3/4 | 56.05 | 344.3 | 3500 | |
| 5/8 | 5/8 | 9.79 | 30.38 | 15000 |
| 3/4 | 3/4 | 10.9 | 36.48 | 14000 |
| 7/8 | 7/8 | 13.43 | 49.82 | 12000 |
| 1 | 1 | 13.83 | 53.82 | 11000 |
| 1 1/4 | 1 1/4 | 20.15 | 93.41 | 8600 |
| 1 3/8 | 1 3/8 | 21.35 | 103.2 | 8000 |
| 1 1/2 | 1 1/2 | 23.22 | 117.88 | 7600 |
| 1 3/4 | 1 3/4 | 25.31 | 137.45 | 6800 |
| 2 | 2 | 24.02 | 132.56 | 6100 |
| 2 1/4 | 2 1/4 | 24.78 | 142.34 | 5600 |
| 2 1/2 | 2 1/2 | 25.53 | 152.13 | 5100 |
| 3 | 3 | 26.96 | 172.1 | 4400 |
| 1/2 | 1/2 | 7.16 | 19.13 | 19000 |
Where This Is Used
- Thrust Needle Roller Bearings (AXK, NTB series) and Thrust Needle Components (WS inner ring, GS outer ring, AS washer) handle pure axial load in compact axial space for gearboxes, transmissions, and machinery.
- General Engineering and Gearboxes Gearbox and transmission thrust needle roller bearing supply.
- Industrial machinery compact axial load bearing replacement.
- Drive shaft and mechanism thrust bearing component supply.
- Automotive Vehicle gearbox and drivetrain thrust needle bearing supply.
- Automotive transmission thrust bearing component replacement.
- Fleet and transport drivetrain thrust bearing maintenance.
Features
- Compact axial space: minimum gearbox length.
- High axial load capacity for given size.
- Thrust needle roller: specific to your assembly position.
- OEM-standard sizing.
Full engineering specifications (all 12 fields, 16 sizes)
| Speed Rating Min-1 | Load Rating Static Co (kn) | Inside Diameter (inch) | Dc1 (mm) | Shaft Diameter (in) | dc (mm) | Width (inch) | Dw (mm) | Ea (mm) | Outside Diameter (inch) | Eb (mm) | Load Rating Dynamic C (kn) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4600 | 255.8 | 2 3/4 | 69.85 | 2 3/4 | 92.075 | 1/8 | 3.175 | 87.884 | 3 5/8 | 72.64 | 47.6 |
| 4000 | 294.9 | 3 1/4 | 82.55 | 3 1/4 | 104.78 | 1/8 | 3.175 | 100.58 | 4 1/8 | 85.34 | 51.6 |
| 3500 | 344.3 | 95.25 | 3 3/4 | 117.48 | 1/8 | 3.175 | 113.28 | 4 5/8 | 98.04 | 56.05 | |
| 15000 | 30.38 | 5/8 | 15.88 | 5/8 | 28.575 | 5/64 | 1.9837 | 25.908 | 1 1/8 | 18.03 | 9.79 |
| 14000 | 36.48 | 3/4 | 19.05 | 3/4 | 31.75 | 5/64 | 1.9837 | 28.956 | 1 1/4 | 21.34 | 10.9 |
| 12000 | 49.82 | 7/8 | 22.23 | 7/8 | 36.5 | 5/64 | 1.984 | 33.782 | 1 7/16 | 24.38 | 13.43 |
| 11000 | 53.82 | 1 | 25.4 | 1 | 39.675 | 5/64 | 1.984 | 36.83 | 1 9/16 | 27.69 | 13.83 |
| 8600 | 93.41 | 1 1/4 | 31.75 | 1 1/4 | 49.2 | 5/64 | 1.9837 | 46.228 | 1 15/16 | 34.04 | 20.15 |
| 8000 | 103.2 | 1 3/8 | 34.93 | 1 3/8 | 52.375 | 5/64 | 1.9837 | 49.53 | 2 1/16 | 37.08 | 21.35 |
| 7600 | 117.88 | 1 1/2 | 38.1 | 1 1/2 | 55.55 | 5/64 | 1.9837 | 52.578 | 2 3/16 | 40.39 | 23.22 |
| 6800 | 137.45 | 1 3/4 | 44.45 | 1 3/4 | 63.5 | 5/64 | 1.984 | 58.928 | 2 1/2 | 46.74 | 25.31 |
| 6100 | 132.56 | 2 | 50.8 | 2 | 69.85 | 5/64 | 1.9837 | 65.278 | 2 3/4 | 53.09 | 24.02 |
| 5600 | 142.34 | 2 1/4 | 57.15 | 2 1/4 | 76.2 | 5/64 | 1.984 | 71.628 | 3 | 59.44 | 24.78 |
| 5100 | 152.13 | 2 1/2 | 63.5 | 2 1/2 | 82.55 | 5/64 | 1.9837 | 77.978 | 3 1/4 | 65.79 | 25.53 |
| 4400 | 172.1 | 3 | 76.2 | 3 | 95.25 | 5/64 | 1.9837 | 90.678 | 3 3/4 | 78.49 | 26.96 |
| 19000 | 19.13 | 1/2 | 12.7 | 1/2 | 23.8 | 5/64 | 1.984 | 21.08 | 15/16 | 14.99 | 7.16 |
Resources
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3 5/8
Model Number: NTA-4458/KOYO
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4 1/8
Model Number: NTA-5266/KOYO
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4 5/8
Model Number: NTA-6074/KOYO
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1 1/8
Model Number: NTA-1018/KOYO
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1 1/4
Model Number: NTA-1220/KOYO
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1 7/16
Model Number: NTA-1423/KOYO
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1 9/16
Model Number: NTA-1625/KOYO
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1 15/16
Model Number: NTA-2031/KOYO
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2 1/16
Model Number: NTA-2233/KOYO
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2 3/16
Model Number: NTA-2435/KOYO
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2 1/2
Model Number: NTA-2840/KOYO
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2 3/4
Model Number: NTA-3244/KOYO
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3
Model Number: NTA-3648/KOYO
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3 1/4
Model Number: NTA-4052/KOYO
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3 3/4
Model Number: NTA-4860/KOYO
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15/16
Model Number: NTA-815/KOYO

