NNU4988 KOYO Double-row cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
NNU4988 |
| Housing: |
SNT 518-615 |
| Bearing: |
23218K |
| Locating Rings (width x OD): |
SR160X6.25 |
| Seal Type: |
Labyrinth |
| Seal: |
LO518/ 3-1/4 |
| Adapter Sleeve1: |
HE2318 |
| End Cover2: |
EC518-615 |
| Material: |
Cast Iron |
| PDF |
NNU4988 |
Product Details
| Housing |
SNT 518-615 |
| Bearing |
23218K |
| Locating Rings (width x OD) |
SR160X6.25 |
| Seal Type |
Labyrinth |
| Seal |
LO518/ 3-1/4 |
| Adapter Sleeve1 |
HE2318 |
| End Cover2 |
EC518-615 |
| Material |
Cast Iron |
| Housing Mass |
13.1 Kg |
| C1 Dynamic Load Rating |
436 |
| C0 Static Load Rating |
521 |
| Max Oil Speed |
3000 |
| Max Grease Speed |
2600 |
| Shaft Diameter d |
3 1/4 in |
| A |
140.00 mm |
| A1 |
100 mm |
| A2 |
158 mm |
| G |
M20 |
| H |
194 mm |
| H1 |
100.0 mm |
| H2 |
35.0 mm |
| J |
290.00 mm |
| Jmax |
295 mm |
| Jmin |
285 mm |
| L |
345.00 mm |
| N |
22 mm |
| N1 |
28 mm |