NNU4922 KOYO Double-row cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
NNU4922 |
| Bearing number: |
NU 320 ECN1ML |
| Size (mm): |
215x100x47 |
| Bore Diameter (mm): |
215 |
| Outer Diameter (mm): |
100 |
| Width (mm): |
47 |
| d: |
100 mm |
| D: |
215 mm |
| B: |
47 mm |
| PDF |
NNU4922 |
Product Details
| Bearing number |
NU 320 ECN1ML |
| Size (mm) |
215x100x47 |
| Bore Diameter (mm) |
215 |
| Outer Diameter (mm) |
100 |
| Width (mm) |
47 |
| d |
100 mm |
| D |
215 mm |
| B |
47 mm |
| D1 |
181.95 mm |
| F |
127.5 mm |
| r1,2 - min. |
3 mm |
| r3,4 - min. |
3 mm |
| s |
2.9 mm |
| da - min. |
114 mm |
| da - max. |
124 mm |
| db - min. |
131 mm |
| Da - max. |
199.6 mm |
| ra - max. |
2.5 mm |
| rb - max. |
2.5 mm |
| Basic dynamic load rating - C |
450 kN |
| Basic static load rating - C0 |
440 kN |
| Fatigue load limit - Pu |
51 kN |
| Reference speed |
3200 r/min |
| Limiting speed |
6000 r/min |
| Calculation factor - kr |
0.23 |
| D1 ≈ |
181.95 mm |
| b1 |
10.5 mm |
| h |
11.7 mm |
| r1,2 min. |
3 mm |
| r3,4 min. |
3 mm |
| s max. |
2.9 mm |
| da min. |
114 mm |
| da max. |
124 mm |
| db min. |
131 mm |
| Da max. |
199.6 mm |
| ra max. |
2.5 mm |
| rb max. |
2.5 mm |
| Basic dynamic load rating C |
450 kN |
| Basic static load rating C0 |
440 kN |
| Fatigue load limit Pu |
51 kN |
| Calculation factor kr |
0.23 |
| Limiting value e |
0.2 |
| Axial load factor Y |
0.6 |
| Mass bearing |
8.28 kg |