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- 1.97 in Inner Diameter
- 3.54 in Outer Diameter
- 0.79 in Overall Width
features
- Best used for high radial loads and where the bearing rolling motion occurs on the outer diameter surface
- Made from premium high carbon, high chromium steel
- Uses a full complement of greased rollers that offer maximum radial load capacity
- Available with a crowned outside diameter (YCRSC inch series) and seals (YCRS inch series) for the inch product
- Available with a standard crowned outside diameter (without the .DZ), shields ("ZZ" for STO, RSTO and NUTR series) or seals (.2RS for NA2200 series) for the metric product
- RSTO metric series requires a hardened and machined shaft/stud, no inner ring included
| Component | Assembly |
| O.D. Type | Straight |
| Speed (Max) Grease | 2000 rpm |
| Overall Width | 0.79 in, 20 mm |
| Outer Ring Width | 0.78 in, 19.8 mm |
| No. of Rows | Single |
| Relubrication Feature | No |
| O.D. | 3.54 in, 90 mm |
| Self Aligning | No |
| Cage Type | Window |
| Series | STO |
| Rolling Element | Needle Roller |
| Inner Ring Width | 0.79 in, 20 mm |
| Operating Temperature [Max] | 230 ˚F |
| Fillet Radius | 0.02 in, 0.6 mm |
| Operating Temperature [Min] | -22 ˚F |
| Bore Type | Round |
| Bearing Type | Track Roller Assembly |
| Precision Class | P0 |
| Lubricant | Rust Preventative |
| Cage Material | Steel |
| I.D. | 1.97 in, 50 mm |
| Relubricatable | No |
| Weight | 0.65 LB |
| EAN or UPC | 605790188633 |
