Bangkok Belt & Industry Centre Sdn. Bhd. (246665-W)
NTN BEARING 1207
NTN BEARING 1207
NTN BEARING 1207
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Type: Double-row self aligning ball bearing with a straight (cylindrical) bore (open design, no seals).
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Dimensions: Bore (d) = 35 mm, Outer diameter (D) = 72 mm, Width (B) = 17 mm.
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PRODUCT DEFINITION
| Brand | SNR |
| d – Internal diameter | 35 mm |
| D – External diameter | 72 mm |
| B – Bearing/Inner ring width | 17 mm |
| d1 – External diameter inner ring | 47,7 mm |
| D1 – Inner diameter outer ring | 59 mm |
| rs – Min fillet radius | 1,1 mm |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,322 kg |
PRODUCT PERFORMANCE
| C – Dynamic load | 15,6 kN |
| C0 – Static load | 5,1 kN |
| Cu – Fatigue limit load | 0,23 kN |
| e – Coefficient | 0.23 |
| Y0 – Static axial load coefficient | 2.86 |
| Y1 – Lower axial load coefficient | 2.73 |
| Y2 – Upper axial load coefficient | 4.23 |
| N ref – Reference thermal speed | 9600 tr/min |
| N lim – Mechanical Limit Speed | 13000 tr/min |
| Tmin – Min operating temperature | -40 °C |
| Tmax – Max operating temperature | 120 °C |
BEARING FREQUENCIES
| BPFO – Over rolling frequency on outer ring (60 rpm) | 6,813 Hz |
| BPFI – Over rolling frequency on inner (60 rpm) | 9,187 Hz |
| BSF – Over rolling frequency on rolling element (60 rpm) | 6,515 Hz |
| BRF – Rotational frequency – rolling element (60 rpm) | 3,258 Hz |
| FTF – Rotational frequency – cage (60 rpm) | 0,426 Hz |
