Koyo/JTEKT NJ2205 Cylindrical Roller Bearing 25 x 52 x 18mm
Available
Koyo/JTEKT NJ2205. High radial load capacity at high speed. Fix outer, flanged inner. 2200 series, flanged inner. Cylindrical Bearing Fix Outer Flanged Inner 2200 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: 2200. Configuration: Fix outer, flanged inner. Inner ring: Flanged for axial location. Load: Pure radial, axial floating.
Available Sizes
14 sizes available — select the exact size you need from the dropdown above. Key figures for each:
| Bore Diameter x Outer Diameter x Width (mm) | Basic Load Rating (kN) Cr | Basic Load Rating (kN) C0r | Limiting Speed (min-1) Grease Oil |
|---|---|---|---|
| 25 x 52 x 18 | 29.6 | 22.8 | 12000 |
| 30 x 62 x 20 | 41 | 33.1 | 9800 |
| 35 x 72 x 23 | 61.3 | 51.2 | 8500 |
| 40 x 80 x 23 | 72.8 | 62 | 7500 |
| 45 x 85 x 23 | 76.6 | 67.8 | 6900 |
| 50 x 90 x 23 | 80.3 | 73.6 | 6400 |
| 55 x 100 x 25 | 94.2 | 87.2 | 5800 |
| 60 x 110 x 28 | 120 | 123 | 5200 |
| 65 x 120 x 31 | 150 | 149 | 4800 |
| 70 x 125 x 31 | 149 | 151 | 4600 |
| 75 x 130 x 31 | 162 | 172 | 4300 |
| 80 x 140 x 33 | 184 | 186 | 4000 |
| 85 x 150 x 36 | 212 | 218 | 3800 |
| 90 x 160 x 40 | 259 | 265 | 3500 |
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.
- Fix outer, flanged inner: suits specific bearing arrangement.
- High-speed capable: roller geometry well suited to fast shafts.
Full engineering specifications (all 20 fields, 14 sizes)
| Bearing Width B (mm) | Mounting Dimension (mm) Rb Max. | Bore Diameter x Outer Diameter x Width (mm) | Basic Load Rating (kN) Cr | Boundary Dimension (mm) Fw | Boundary Dimension (mm) r1 min. | Limiting Speed (min-1) Grease Oil | Fatigue Load Limit (kN) Cu | Outside Diameter D (mm) | Limiting Speed (min-1) Oil Lub | Mounting Dimension (mm) Dd Min. | Mounting Dimension (mm) Dc Min. | Basic Load Rating (kN) C0r | 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. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 18 | 0.6 | 25 x 52 x 18 | 29.6 | 32 | 0.6 | 12000 | 3.05 | 52 | 16000 | 37 | 34 | 22.8 | 25 | 1 | 30 | 29 | 31 | 47 | 1 |
| 20 | 0.6 | 30 x 62 x 20 | 41 | 38.5 | 0.6 | 9800 | 4.2 | 62 | 13000 | 44 | 40 | 33.1 | 30 | 1 | 35 | 34 | 37 | 57 | 1 |
| 23 | 0.6 | 35 x 72 x 23 | 61.3 | 43.8 | 0.6 | 8500 | 7.15 | 72 | 11000 | 50 | 46 | 51.2 | 35 | 1 | 41.5 | 39 | 43 | 65.5 | 1.1 |
| 23 | 1 | 40 x 80 x 23 | 72.8 | 50 | 1.1 | 7500 | 8.75 | 80 | 10000 | 56 | 52 | 62 | 40 | 1 | 46.5 | 46.5 | 49 | 73.5 | 1.1 |
| 23 | 1 | 45 x 85 x 23 | 76.6 | 55 | 1.1 | 6900 | 9.6 | 85 | 9200 | 61 | 57 | 67.8 | 45 | 1 | 51.5 | 51.5 | 54 | 78.5 | 1.1 |
| 23 | 1 | 50 x 90 x 23 | 80.3 | 60.4 | 1.1 | 6400 | 10.4 | 90 | 8500 | 67 | 62 | 73.6 | 50 | 1 | 56.5 | 56.5 | 58 | 83.5 | 1.1 |
| 25 | 1 | 55 x 100 x 25 | 94.2 | 66.5 | 1.1 | 5800 | 11.6 | 100 | 7700 | 73 | 68 | 87.2 | 55 | 1.5 | 63 | 61.5 | 65 | 92 | 1.5 |
| 28 | 60 x 110 x 28 | 120 | 73.5 | 1.5 | 5200 | 15.3 | 110 | 7000 | 80 | 75 | 123 | 60 | 68 | 1.5 | 1.5 | 102 | 1.5 | ||
| 31 | 1.5 | 65 x 120 x 31 | 150 | 79.6 | 1.5 | 4800 | 20.6 | 120 | 6400 | 87 | 81 | 149 | 65 | 1.5 | 73 | 73 | 77 | 112 | 1.5 |
| 31 | 1.5 | 70 x 125 x 31 | 149 | 84.5 | 1.5 | 4600 | 20.8 | 125 | 6100 | 92 | 86 | 151 | 70 | 1.5 | 78 | 78 | 82 | 117 | 1.5 |
| 31 | 1.5 | 75 x 130 x 31 | 162 | 88.5 | 1.5 | 4300 | 22.3 | 130 | 5800 | 96 | 90 | 172 | 75 | 1.5 | 83 | 83 | 87 | 122 | 1.5 |
| 33 | 2 | 80 x 140 x 33 | 184 | 95.3 | 2 | 4000 | 27.8 | 140 | 5400 | 104 | 97 | 186 | 80 | 2 | 89 | 89 | 94 | 131 | 2 |
| 36 | 2 | 85 x 150 x 36 | 212 | 101.8 | 2 | 3800 | 31.6 | 150 | 5000 | 110 | 104 | 218 | 85 | 2 | 94 | 94 | 99 | 141 | 2 |
| 40 | 2 | 90 x 160 x 40 | 259 | 107 | 2 | 3500 | 38.9 | 160 | 4700 | 116 | 109 | 265 | 90 | 2 | 99 | 99 | 105 | 151 | 2 |
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25 x 52 x 18mm bearing
Model Number: NJ2205/KOYO
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30 x 62 x 20mm bearing
Model Number: NJ2206/KOYO
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35 x 72 x 23mm bearing
Model Number: NJ2207/KOYO
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40 x 80 x 23mm bearing
Model Number: NJ2208/KOYO
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45 x 85 x 23mm bearing
Model Number: NJ2209/KOYO
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50 x 90 x 23mm bearing
Model Number: NJ2210/KOYO
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55 x 100 x 25mm bearing
Model Number: NJ2211/KOYO
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60 x 110 x 28mm bearing
Model Number: NJ2212/KOYO
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65 x 120 x 31mm bearing
Model Number: NJ2213/KOYO
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70 x 125 x 31mm bearing
Model Number: NJ2214/KOYO
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75 x 130 x 31mm bearing
Model Number: NJ2215/KOYO
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80 x 140 x 33mm bearing
Model Number: NJ2216/KOYO
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85 x 150 x 36mm bearing
Model Number: NJ2217/KOYO
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90 x 160 x 40mm bearing
Model Number: NJ2218/KOYO


