KOYO
Cylindrical roller bearings NU340
Bearing KOYO NU340, Ø200×420×80 mm. Request a quote — worldwide shipping.
Type Cylindrical roller bearings
Dimensions
Ø 200 × 420 × 80 mm
d200Bore Ø (mm)
×
D420Outer Ø (mm)
×
B80Width (mm)
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Technical specifications
| d | 200 mm |
| D | 420 mm |
| B | 80 mm |
| r(min.) | 5 mm |
| r1(min.) | 5 mm |
| Fw | 260 mm |
| Ew | - mm |
| Basic load ratings : Cr | 1220 kN |
| Basic load ratings : C0r | 1270 kN |
| Fatigue load limit : Cu | 145 kN |
| Limiting speeds(Grease lub.) | 1200 min-1 |
| Limiting speeds(Oil lub.) | 1700 min-1 |
| sd1 | - mm |
| B1 | - mm |
| B2 | - mm |
| da(min.) | - mm |
| db(min.) | 220 mm |
| db(max.) | 254 mm |
| dc(min.) | - mm |
| dd(min.) | - mm |
| Da(max.) | 400 mm |
| Db(max.) | - mm |
| Db(min.) | - mm |
| ra(max.) | 4 mm |
| rb(max.) | 4 mm |
| (Refer.)Mass | 56.2 kg |
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KOYO NU340