NTN
Rodamientos de bolas de contacto angular 7228BG
Rodamiento NTN 7228BG, Ø140×250×42 mm. Solicita presupuesto — envío a todo el mundo.
Tipo Rodamientos de bolas de contacto angular
Dimensiones
Ø 140 × 250 × 42 mm
d140Ø interior (mm)
×
D250Ø exterior (mm)
×
B42Ancho (mm)
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Disponible
Especificaciones técnicas
| Brand | NTN |
| d - Internal diameter | 140 mm |
| D - External diameter | 250 mm |
| B - Bearing/Inner ring width | 42 mm |
| a - Charge load application point | 103 mm |
| α - Contact angle | 40 ° |
| rs - Min fillet radius | 3 mm |
| r1s - Min fillet radius | 1,1 mm |
| Radial clearance class | CN |
| Mass | 8,78 kg |
| C - Dynamic load | 203000000 mN |
| C0 - Static load | 195000000 mN |
| Cu - Fatigue limit load | 10100000 mN |
| N lim - Oil lubrication limit speed | 18600 °/s |
| N lim - Grease lubrication limit speed | 13800 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 154 mm |
| Da max - Max shoulder diameter OR | 236 mm |
| Db max - Max OR shoulder diameter | 243 mm |
| r1a - Max fillet radius | 1 mm |
| ra max - Max shaft & housing fillet radius | 2,5 mm |
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NTN 7228BG