KOYO
Cylindrical roller bearings NNU4928K
Bearing KOYO NNU4928K, Ø140×190×50 mm. Request a quote — worldwide shipping.
Type Cylindrical roller bearings
Dimensions
Ø 140 × 190 × 50 mm
d140Bore Ø (mm)
×
D190Outer Ø (mm)
×
B50Width (mm)
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Technical specifications
| d | 140 mm |
| D | 190 mm |
| B | 50 mm |
| r(min.) | 1.5 mm |
| Fw | 156 mm |
| Ew | - mm |
| Basic load ratings : Cr | 277 kN |
| Basic load ratings : C0r | 456 kN |
| Fatigue load limit : Cu | 52.5 kN |
| Limiting speeds(Grease lub.) | 2900 min-1 |
| Limiting speeds(Oil lub.) | 3500 min-1 |
| da(min.) | 148 mm |
| da(max.) | 153.5 mm |
| db(min.) | 158 mm |
| Da(max.) | 182 mm |
| Da(min.) | - mm |
| ra(max.) | 1.5 mm |
| (Refer.)Mass | 3.97 kg |
KOYO NNU4928K