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 |
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