KOYO
Rodamientos de rodillos cilíndricos NJ248
Bearing KOYO NJ248, Ø240×440×72 mm. Request a quote — worldwide shipping.
Tipo Rodamientos de rodillos cilíndricos
Dimensiones
Ø 240 × 440 × 72 mm
d240Ø interior (mm)
×
D440Ø exterior (mm)
×
B72Ancho (mm)
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Especificaciones técnicas
| d | 240 mm |
| D | 440 mm |
| B | 72 mm |
| r(min.) | 4 mm |
| r1(min.) | 4 mm |
| Fw | 295 mm |
| Ew | - mm |
| Basic load ratings : Cr | 1170 kN |
| Basic load ratings : C0r | 1340 kN |
| Fatigue load limit : Cu | 150 kN |
| Limiting speeds(Grease lub.) | 1200 min-1 |
| Limiting speeds(Oil lub.) | 1500 min-1 |
| sd1 | - mm |
| B1 | - mm |
| B2 | - mm |
| da(min.) | - mm |
| db(min.) | 256 mm |
| db(max.) | 293 mm |
| dc(min.) | - mm |
| dd(min.) | - mm |
| Da(max.) | 424 mm |
| Db(max.) | - mm |
| Db(min.) | - mm |
| ra(max.) | 3 mm |
| rb(max.) | 3 mm |
| (Refer.)Mass | 53.4 kg |
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KOYO NJ248