| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2121620 | 38.09.00.151 | 3809 | Tandem | Side Adjust - Wedge | Stainless Steel | Standard | Precision | Stainless Steel | 1.81" | 1.56" | Concave Radius | 0.125" | 500 | Premium |