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- 0.79 in Inner Diameter
- 1.46 in Outer Diameter
- 0.71 in Overall Width
features
- HJ" calls out the inch series
| Relubrication Feature | No |
| Origin | Needle Radial |
| Speed (Max) Grease | 7800 rpm |
| Series | NA4900 |
| Enclosure | Double Sealed |
| Bearing Design | Removable Inner Ring – Straight |
| Oil Hole | w/Oil Hole |
| End Type | Open End |
| Cage Type | Riveted |
| Cage Material | Steel |
| Inner Ring Width | 0.71 in, 18 mm |
| Precision Class | ABEC 1 |
| Limiting Speed - Oil | 6700 rpm |
| Bore Type | Round Bore, Metric Type |
| Self Aligning | No |
| Bearing Material | High Carbon Chrome Steel |
| Radial Internal Clearance | Normal |
| Overall Width | 0.71 in, 18 mm |
| No. of Rows | 1 |
| Operating Temperature [Min] | -22 ˚F |
| Component | Assembly |
| Precision Ground | Yes |
| Capacity | Standard Capacity |
| Dynamic Load Rating | 18.5 kN |
| Relubricatable | No |
| Fillet Radius | 0.3 in |
| Outer Ring Width | 0.67 in, 17 mm |
| Tolerance | Iso Class 0 (RBEC 1) |
| O.D. | 37 mm |
| Static Load Rating | 21.2 kN |
| Operating Temperature [Max] | 230 ˚F |
| Inner Ring O.D. | 25 mm |
| I.D. | 20 mm |
| O.D. Type | Straight |
| Rolling Element | Needle Roller |
| Radial Internal Clearance Specification | Normal Clearance |
| Lubricant | Grease |
| Weight | 34.308 LB |
| EAN or UPC | 605790204821 |
