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- STO.ZZ Series Yoke Type Track Roller With Inner Ring and End Washers, 40 mm ID x 80 mm Crowned OD, 25.8 mm Roller Width, Needle Bearing, Double Shielded, Steel, With Inner Ring
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
| Relubricatable | No |
| Roller Dia. | 80 mm |
| Precision Class | P0 |
| Bore Type | Round |
| Material | Steel |
| Overall Width Tolerance [Max] | 20 mm |
| Operating Temperature [Max] | 230 ˚F |
| Overall Width Tolerance [Min] | 19.88 mm |
| O.D. | 3.15 in, 80 mm |
| I.D. | 40 mm |
| Relubrication Feature | No |
| Inside Diameter Tolerance [Max] | 40 mm |
| Roller Width | 25.8 mm |
| Rolling Element | Needle Roller |
| Fillet Radius | 0.02 in, 0.6 mm |
| Outer Ring Width | 0.78 in, 19.8 mm |
| Enclosure | Double Shielded |
| Bearing Type | Needle Bearing |
| Inside Diameter Tolerance [Min] | 39.988 mm |
| No. of Rows | Single |
| Inner Ring Width | 0.79 in, 20 mm |
| Self Aligning | No |
| Lubricant | Grease |
| Speed (Max) Grease | 2400 rpm |
| Roller Type | Crowned |
| Component | Assembly |
| Operating Temperature [Min] | -22 ˚F |
| Inch/Metric | Metric |
| Cage Type | Window |
| Series | STO.ZZ |
| Cage Material | Steel |
| Overall Width | 26 mm |
| O.D. Type | Straight |
| Weight | 1.572 LB |
| EAN or UPC | 605790193309 |
