Koyo/JTEKT NU204 Cylindrical Roller Bearing 20 x 47 x 14mm
Regular price
$66.73
Sale price
$66.73
Regular price
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Koyo/JTEKT NU204. High radial load capacity at high speed. Standard cylindrical. 200 series. Cylindrical Bearing Fixed Outer Loose Inner 200 Series is for high-speed shafts where pure radial load and thermal axial expansion need to be accommodated.
Product Specifications. Bearing type: Cylindrical roller bearing. Series: 200. Configuration: Standard cylindrical. Inner ring: Standard. Load: Pure radial, axial floating.
Key Specifications
| Basic Load Rating (kN) Cr | 48.9 |
| Fatigue Load Limit (kN) Cu | 5.25 |
| Basic Load Rating (kN) C0r | 37.4 |
Available Sizes
15 sizes available — select the exact size you need from the dropdown above. Key figures for each:
| Bore Diameter x Outer Diameter x Width (mm) | Limiting Speed (min-1) Grease Oil |
|---|---|
| 20 x 47 x 14 | 15000 |
| 25 x 52 x 15 | 13000 |
| 30 x 62 x 16 | 11000 |
| 35 x 72 x 17 | 9300 |
| 40 x 80 x 18 | 8300 |
| 45 x 85 x 19 | 7600 |
| 50 x 90 x 20 | 7100 |
| 55 x 100 x 21 | 6400 |
| 60 x 110 x 22 | 5800 |
| 65 x 120 x 23 | 5300 |
| 70 x 125 x 24 | 5000 |
| 75 x 130 x 25 | 4800 |
| 80 x 140 x 26 | 4400 |
| 85 x 150 x 28 | 4200 |
| 110 x 200 x 38 | 3100 |
Where This Is Used
- Automotive: Internal combustion engines transmissions, and cargo transportation.
- Electrical: Large and medium sizes motors, traction motors, and generators.
- Industrial: Gearboxes and machine tool spindles, steel mills.
Features
- Features and Benefits.
- High radial capacity in compact section.
- Floating axial: accommodates shaft thermal expansion.
- Standard cylindrical: suits specific bearing arrangement.
- High-speed capable: roller geometry well suited to fast shafts.
Full engineering specifications (all 17 fields, 15 sizes)
| Bearing Width B (mm) | Mounting Dimension (mm) Rb Max. | Bore Diameter x Outer Diameter x Width (mm) | Boundary Dimension (mm) Fw | Boundary Dimension (mm) r1 min. | Limiting Speed (min-1) Grease Oil | Outside Diameter D (mm) | Limiting Speed (min-1) Oil Lub | Mounting Dimension (mm) Dd Min. | Mounting Dimension (mm) Dc Min. | Bore Diameter d (mm) | Mounting Dimension (mm) Ra Max. | Mounting Dimension (mm) Da Min. | Mounting Dimension (mm) Db Min. | Mounting Dimension (mm) Db Max. | Mounting Dimension (mm) Da Max. | Boundary Dimension (mm) r min. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14 | 0.6 | 20 x 47 x 14 | 26.5 | 0.6 | 15000 | 47 | 18000 | 32 | 29 | 20 | 1 | 25 | 24 | 26 | 42 | 1 |
| 15 | 0.6 | 25 x 52 x 15 | 31.5 | 0.6 | 13000 | 52 | 15000 | 37 | 34 | 25 | 1 | 30 | 29 | 31 | 47 | 1 |
| 16 | 0.6 | 30 x 62 x 16 | 37.5 | 0.6 | 11000 | 62 | 13000 | 44 | 40 | 30 | 1 | 35 | 34 | 37 | 57 | 1 |
| 17 | 0.6 | 35 x 72 x 17 | 44 | 0.6 | 9300 | 72 | 11000 | 50 | 46 | 35 | 1 | 41.5 | 39 | 43 | 65.5 | 1.1 |
| 18 | 1 | 40 x 80 x 18 | 49.5 | 1.1 | 8300 | 80 | 9900 | 56 | 52 | 40 | 1 | 46.5 | 46.5 | 49 | 73.5 | 1.1 |
| 19 | 1 | 45 x 85 x 19 | 54.5 | 1.1 | 7600 | 85 | 9200 | 61 | 57 | 45 | 1 | 51.5 | 51.5 | 54 | 78.5 | 1.1 |
| 20 | 1 | 50 x 90 x 20 | 59.5 | 1.1 | 7100 | 90 | 8500 | 67 | 62 | 50 | 1 | 56.5 | 56.5 | 58 | 83.5 | 1.1 |
| 21 | 1 | 55 x 100 x 21 | 66 | 1.1 | 6400 | 100 | 7700 | 73 | 68 | 55 | 1.5 | 63 | 61.5 | 65 | 92 | 1.5 |
| 22 | 60 x 110 x 22 | 72 | 1.5 | 5800 | 110 | 6900 | 80 | 75 | 60 | 68 | 1.5 | 1.5 | 102 | 1.5 | ||
| 23 | 1.5 | 65 x 120 x 23 | 78.5 | 1.5 | 5300 | 120 | 6400 | 87 | 81 | 65 | 1.5 | 73 | 73 | 77 | 112 | 1.5 |
| 24 | 1.5 | 70 x 125 x 24 | 83.5 | 1.5 | 5000 | 125 | 6000 | 92 | 86 | 70 | 1.5 | 78 | 78 | 82 | 117 | 1.5 |
| 25 | 1.5 | 75 x 130 x 25 | 88.5 | 1.5 | 4800 | 130 | 5700 | 96 | 90 | 75 | 1.5 | 83 | 83 | 87 | 122 | 1.5 |
| 26 | 2 | 80 x 140 x 26 | 95.3 | 2 | 4400 | 140 | 5300 | 104 | 97 | 80 | 2 | 89 | 89 | 94 | 131 | 2 |
| 28 | 2 | 85 x 150 x 28 | 100.5 | 2 | 4200 | 150 | 5000 | 110 | 104 | 85 | 2 | 94 | 94 | 99 | 141 | 2 |
| 38 | 2 | 110 x 200 x 38 | 132.5 | 2.1 | 3100 | 200 | 3700 | 144 | 135 | 110 | 2 | 121 | 121 | 130 | 189 | 2.1 |
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Available Options:
-
20 x 47 x 14mm bearing
Model Number: NU204/KOYO
-
25 x 52 x 15mm bearing
Model Number: NU205/KOYO
-
30 x 62 x 16mm bearing
Model Number: NU206R/KOYO
-
35 x 72 x 17mm bearing
Model Number: NU207/KOYO
-
40 x 80 x 18mm bearing
Model Number: NU208/KOYO
-
45 x 85 x 19mm bearing
Model Number: NU209/KOYO
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50 x 90 x 20mm bearing
Model Number: NU210/KOYO
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55 x 100 x 21mm bearing
Model Number: NU211/KOYO
-
60 x 110 x 22mm bearing
Model Number: NU212/KOYO
-
65 x 120 x 23mm bearing
Model Number: NU213/KOYO
-
70 x 125 x 24mm bearing
Model Number: NU214/KOYO
-
75 x 130 x 25mm bearing
Model Number: NU215/KOYO
-
80 x 140 x 26mm bearing
Model Number: NU216/KOYO
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85 x 150 x 28mm bearing
Model Number: NU217/KOYO
-
110 x 200 x 38mm bearing
Model Number: NU222/KOYO
