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- STO.ZZ Series Yoke Type Track Roller With Inner Ring and End Washers, 25 mm ID x 52 mm Crowned OD, 19.8 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
| Material | Steel |
| Roller Width | 19.8 mm |
| Relubricatable | No |
| No. of Rows | Single |
| Inside Diameter Tolerance [Min] | 24.99 mm |
| Speed (Max) Grease | 2900 rpm |
| Fillet Radius | 0.01 in, 0.3 mm |
| Operating Temperature [Max] | 230 ˚F |
| Roller Dia. | 52 mm |
| Cage Material | Steel |
| Bore Type | Round |
| Overall Width Tolerance [Max] | 16 mm |
| O.D. | 2.05 in, 52 mm |
| Rolling Element | Needle Roller |
| I.D. | 25 mm |
| Roller Type | Crowned |
| Relubrication Feature | No |
| Bearing Type | Needle Bearing |
| Series | STO.ZZ |
| O.D. Type | Straight |
| Overall Width | 20 mm |
| Component | Assembly |
| Cage Type | Window |
| Precision Class | P0 |
| Outer Ring Width | 0.62 in, 15.8 mm |
| Inner Ring Width | 0.63 in, 16 mm |
| Operating Temperature [Min] | -22 ˚F |
| Inch/Metric | Metric |
| Overall Width Tolerance [Min] | 15.88 mm |
| Enclosure | Double Shielded |
| Lubricant | Grease |
| Self Aligning | No |
| Inside Diameter Tolerance [Max] | 25 mm |
| Weight | 0.32 LB |
| EAN or UPC | 605790218712 |
