| Current Part # | Previous Part # | Roller Series | Roller Type | Roller Adjustment Type | Housing Material | Mounting Tabs | Standard or Precision Bearings | Wheel Material | Wheel Diameter | Wheel Rolling Diameter | Wheel Profile | Wheel Profile Radius | Estimated Panel Weight | Suggested Market |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2115210 | 1981-PRS-212WSS | 1981 | Tandem | Side Adjust - Wedge | Stainless Steel | Mid-Range | Precision | Stainless Steel | 2.12" | 1.865" | Concave Radius | 0.130" | 600 | Premium |