KOYO
Cylindrical roller bearings NH304R
Bearing KOYO NH304R, Ø20×52×15 mm. Request a quote — worldwide shipping.
Type Cylindrical roller bearings
Dimensions
Ø 20 × 52 × 15 mm
d20Bore Ø (mm)
×
D52Outer Ø (mm)
×
B15Width (mm)
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Technical specifications
| d | 20 mm |
| D | 52 mm |
| B | 15 mm |
| r(min.) | 1.1 mm |
| r1(min.) | 0.6 mm |
| Fw | 27.5 mm |
| Ew | - mm |
| Basic load ratings : Cr | 39.4 kN |
| Basic load ratings : C0r | 26.9 kN |
| Fatigue load limit : Cu | 3.75 kN |
| Limiting speeds(Grease lub.) | 12000 min-1 |
| Limiting speeds(Oil lub.) | 16000 min-1 |
| sd1 | 31.4 mm |
| B1 | 4 mm |
| B2 | 6.5 mm |
| da(min.) | 26.5 mm |
| db(min.) | - mm |
| db(max.) | - mm |
| dc(min.) | - mm |
| dd(min.) | - mm |
| Da(max.) | 45.5 mm |
| Db(max.) | - mm |
| Db(min.) | - mm |
| ra(max.) | 1 mm |
| rb(max.) | 0.6 mm |
| (Refer.)Mass | 0.175 kg |
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KOYO NH304R