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- 1.77 in Inner Diameter
- 2.68 in Outer Diameter
- 0.87 in Overall Width
features
- Without ribs
- Metric series
- Ground raceways
| Capacity | Standard Capacity |
| Rolling Element | Needle Roller |
| Operating Temperature [Max] | 230 ˚F |
| Enclosure | Open |
| Static Load Rating | 74.8 kN |
| Bearing Material | High Carbon Chrome Steel |
| Fillet Radius | 0.6 in |
| Cage Material | Steel |
| Radial Internal Clearance Specification | Normal Clearance |
| Self Aligning | No |
| Tolerance | Iso Class 0 (RBEC 1) |
| Speed (Max) Oil | 8400 rpm |
| Limiting Speed - Oil | 8400 rpm |
| Precision Class | ABEC 1 |
| I.D. | 45 mm |
| Relubricatable | No |
| O.D. Type | Straight |
| Lubricant | Rust Preventative |
| Radial Internal Clearance | Normal |
| Relubrication Feature | No |
| Cage Type | Riveted |
| Inner Ring O.D. | 52 mm |
| Dynamic Load Rating | 46.8 kN |
| Operating Temperature [Min] | -22 ˚F |
| Bearing Design | Removable Inner Ring – Straight |
| Precision Ground | Yes |
| Speed (Max) Grease | 5400 rpm |
| End Type | Open End |
| Component | Assembly |
| No. of Rows | 1 |
| Bore Type | Round Bore, Metric Type |
| O.D. | 68 mm |
| Overall Width | 0.87 in, 22 mm |
| Origin | Needle Radial |
| Oil Hole | w/Oil Hole |
| Outer Ring Width | 0.87 in, 22 mm |
| Series | NA4900 |
| Weight | 0.63 LB |
| EAN or UPC | 605790204852 |
