KOYO
Cylindrical roller bearings NNU4948
Bearing KOYO NNU4948, Ø240×320×80 mm. Request a quote — worldwide shipping.
Type Cylindrical roller bearings
Dimensions
Ø 240 × 320 × 80 mm
d240Bore Ø (mm)
×
D320Outer Ø (mm)
×
B80Width (mm)
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Technical specifications
| d | 240 mm |
| D | 320 mm |
| B | 80 mm |
| r(min.) | 2.1 mm |
| Fw | 263 mm |
| Ew | - mm |
| Basic load ratings : Cr | 736 kN |
| Basic load ratings : C0r | 1340 kN |
| Fatigue load limit : Cu | 155 kN |
| Limiting speeds(Grease lub.) | 1600 min-1 |
| Limiting speeds(Oil lub.) | 1900 min-1 |
| da(min.) | 251 mm |
| da(max.) | 260 mm |
| db(min.) | 269 mm |
| Da(max.) | 309 mm |
| Da(min.) | - mm |
| ra(max.) | 2 mm |
| (Refer.)Mass | 18.0 kg |
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KOYO NNU4948