NNU4992 KOYO Double-row cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
NNU4992 |
| Enclosure: |
Open |
| Bore Type: |
Cylindrical Bore |
| Configuration: |
Single Row |
| Weight: |
3.580 kg |
| d: |
65 mm |
| D: |
160 mm |
| B: |
37 mm |
| Outside Ring Inside Diameter: |
135.3 mm |
| PDF |
NNU4992 |
Product Details
| Enclosure |
Open |
| Bore Type |
Cylindrical Bore |
| Configuration |
Single Row |
| Weight |
3.580 kg |
| d |
65 mm |
| D |
160 mm |
| B |
37 mm |
| Outside Ring Inside Diameter |
135.3 mm |
| Fillet Radius/Chamfer |
2.1 mm |
| r1 |
2.1 mm |
| Dynamic Load Rating |
195,000 N |
| Static Load Rating |
203,000 N |
| Limiting Speed - Grease |
4,000 rpm |
| Limiting Speed - Oil |
4,800 rpm |
| Radial Clearance |
0.060 to 0.090 mm |
| da (min) |
77 mm |
| db (min) |
77 mm |
| db (max) |
88 mm |
| dc (min) |
91 mm |
| Da (max) |
148 mm |
| Db (min) |
148 mm |
| Db (max) |
137 mm |
| ra (max) |
2 mm |
| ra1 (max) |
2 mm |