KOYO
Needle roller bearings FNT-821
Bearing KOYO FNT-821, Ø8×21×2 mm. Request a quote — worldwide shipping.
Type Needle roller bearings
Dimensions
Ø 8 × 21 × 2 mm
d8Bore Ø (mm)
×
D21Outer Ø (mm)
×
B2Width (mm)
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Technical specifications
| Dc1 | 8 mm |
| Dc | 21 mm |
| Dw | 2 mm |
| Ea | 20.0 mm |
| Eb | 10.0 mm |
| ra(max.) | 0.3 mm |
| Basic load ratings Ca | 7.67 kN |
| Basic load ratings C0a | 19.1 kN |
| Fatigue load limit : Cu | 1.85 kN |
| Limiting speeds(Oil lub.) | 20000 min-1 |
| Washer dimensions : d | mm |
| Washer dimensions : D,d1 | 21 mm |
| Washer dimensions : D1 | mm |
| Thin - Washer dimensions : h1 | 1.00 mm |
| Thin - Washer No. | AS0821 |
| Thin - (Refer.)Mass | 0.002 kg |
| Heavy(LS) - Washer dimensions : h | 2.75 mm |
| Heavy(LS) - Washer dimensions : a | 0.30 mm |
| Heavy(LS) - Washer No. | LS0821 |
| Heavy(LS) - (Refer.)Mass | 0.004 kg |
| Heavy - Washer dimensions : h | mm |
| Heavy - Washer dimensions : r(min.) | mm |
| Heavy - (Refer.)Mass | kg |
| (Refer.)Mass | 0.002 kg |
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KOYO FNT-821