KOYO
Cylindrical roller bearings NNU4921
Bearing KOYO NNU4921, Ø105×145×40 mm. Request a quote — worldwide shipping.
Type Cylindrical roller bearings
Dimensions
Ø 105 × 145 × 40 mm
d105Bore Ø (mm)
×
D145Outer Ø (mm)
×
B40Width (mm)
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Technical specifications
| d | 105 mm |
| D | 145 mm |
| B | 40 mm |
| r(min.) | 1.1 mm |
| Fw | 118 mm |
| Ew | - mm |
| Basic load ratings : Cr | 196 kN |
| Basic load ratings : C0r | 306 kN |
| Fatigue load limit : Cu | 40.2 kN |
| Limiting speeds(Grease lub.) | 3900 min-1 |
| Limiting speeds(Oil lub.) | 4600 min-1 |
| da(min.) | 111.5 mm |
| da(max.) | 116 mm |
| db(min.) | 120 mm |
| Da(max.) | 138.5 mm |
| Da(min.) | - mm |
| ra(max.) | 1 mm |
| (Refer.)Mass | 2.00 kg |
KOYO NNU4921