NTN BEARING 1305
NTN BEARING 1305
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Type: Double-row self-aligning ball bearing with cylindrical (straight) bore, open design (no seals)
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Dimensions: 25 mm bore × 62 mm outside diameter × 17 mm width
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Load ratings: Dynamic load ≈ 18,200 N (18.2 kN); Static load ≈ 5,000 N (5.0 kN)
PRODUCT DEFINITION
| Brand | NTN |
| d – Internal diameter | 25 mm |
| D – External diameter | 62 mm |
| B – Bearing/Inner ring width | 17 mm |
| rs – Min fillet radius | 1,1 mm |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,261 kg |
PRODUCT PERFORMANCE
| C – Dynamic load | 18,2 kN |
| C0 – Static load | 5 kN |
| Cu – Fatigue limit load | 0,15 kN |
| e – Coefficient | 0.28 |
| Y0 – Static axial load coefficient | 2.4 |
| Y1 – Lower axial load coefficient | 2.3 |
| Y2 – Upper axial load coefficient | 3.5 |
| N lim – Oil lubrication limit speed | 13000 tr/min |
| N lim – Grease lubrication limit speed | 10000 tr/min |
| Tmin – Min operating temperature | -20 °C |
| Tmax – Max operating temperature | 120 °C |

