NTN BEARING 1310 S
NTN BEARING 1310 S
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Type: Double-row self-aligning ball bearing with cylindrical bore, open design (no seals)
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Dimensions: Bore (d) = 50 mm, Outer diameter (D) = 110 mm, Width (B) = 27 mm
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Load ratings: Dynamic load ≈ 43,500 N (≈ 43.5 kN), Static load ≈ 14,100 N (≈ 14.1 kN)
PRODUCT DEFINITION
| Brand | NTN |
| d – Internal diameter | 50 mm |
| D – External diameter | 110 mm |
| B – Bearing/Inner ring width | 27 mm |
| rs – Min fillet radius | 2 mm |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 1,23 kg |
PRODUCT PERFORMANCE
| C – Dynamic load | 43,5 kN |
| C0 – Static load | 14,1 kN |
| Cu – Fatigue limit load | 0,35 kN |
| e – Coefficient | 0.23 |
| Y0 – Static axial load coefficient | 2.8 |
| Y1 – Lower axial load coefficient | 2.7 |
| Y2 – Upper axial load coefficient | 4.2 |
| N lim – Oil lubrication limit speed | 6700 tr/min |
| N lim – Grease lubrication limit speed | 5600 tr/min |
| Tmin – Min operating temperature | -20 °C |
| Tmax – Max operating temperature | 120 °C |


