- 1.57 in Inner Diameter
- 2.44 in Outer Diameter
- 0.91 in Overall Width
features
- HJ" calls out the inch series
| Series | NA4900 |
| Radial Internal Clearance | Normal |
| Inner Ring O.D. | 48 mm |
| Limiting Speed - Oil | 3400 rpm |
| O.D. | 62 mm |
| No. of Rows | 1 |
| Bore Type | Round Bore, Metric Type |
| Precision Class | ABEC 1 |
| Cage Material | Steel |
| Capacity | Standard Capacity |
| Relubricatable | No |
| Oil Hole | w/Oil Hole |
| Precision Ground | Yes |
| Relubrication Feature | No |
| Origin | Needle Radial |
| Radial Internal Clearance Specification | Normal Clearance |
| I.D. | 40 mm |
| Speed (Max) Grease | 4000 rpm |
| Rolling Element | Needle Roller |
| Operating Temperature [Min] | -22 ˚F |
| Dynamic Load Rating | 38.6 kN |
| Overall Width | 0.91 in, 23 mm |
| Fillet Radius | 0.6 in |
| Bearing Design | Removable Inner Ring – Straight |
| Tolerance | Iso Class 0 (RBEC 1) |
| Operating Temperature [Max] | 230 ˚F |
| Component | Assembly |
| Static Load Rating | 57 kN |
| Bearing Material | High Carbon Chrome Steel |
| Inner Ring Width | 0.91 in, 23 mm |
| O.D. Type | Straight |
| End Type | Open End |
| Self Aligning | No |
| Cage Type | Riveted |
| Outer Ring Width | 0.87 in, 22 mm |
| Enclosure | Double Sealed |
| Lubricant | Grease |
| Weight | 0.548 LB |
| EAN or UPC | 605790192203 |

