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- 0.31 in Inner Diameter
- 0.5 in Outer Diameter
- 0.54 in Overall Width
features
- Best used with our drawn cup needle roller bearings to provide a hardened and properly toleranced inner race
- Made from premium high carbon, high chromium steel
- Available with an oil hole (-OH)
- Available in inch (IR) and metric (JR) sizes
- May also be used as a wear bushing
| Bore Type | Round Bore, Inch Type |
| Precision Ground | Yes |
| Radial Internal Clearance Specification | N/A |
| Precision Class | ABEC 1 |
| Capacity | N/A |
| Self Aligning | No |
| Cage Material | N/A |
| Tolerance | Iso Class 0 (RBEC 1) |
| Series | IR |
| Inner Ring Width | 0.54 in, 13.61 mm |
| Overall Width | 0.54 in, 13.61 mm |
| Relubricatable | No |
| Shaft Diameter - Slip Fit [Max] | 0.3121 in |
| Shaft Diameter - Press Fit [Min] | 0.3126 in |
| Operating Temperature [Max] | 230 ˚F |
| Enclosure | N/A |
| Component | Inner Ring |
| O.D. Type | Straight |
| Shaft Diameter - Slip Fit [Min] | 0.3117 in |
| Operating Temperature [Min] | -22 ˚F |
| I.D. | 5/16 in |
| Relubrication Feature | No |
| Bearing Material | High Carbon Chrome Steel |
| Lubricant | Rust Preventative |
| Fillet Radius | 0.025 in |
| End Type | N/A |
| Bearing Design | Removable Inner Ring – Straight |
| Oil Hole | w/o Oil Hole |
| O.D. | 0.5 in |
| Radial Internal Clearance | N/A |
| Weight | 0.003 LB |
| EAN or UPC | 605790212536 |
