Bearing Sizes
| Barrow(*=older version) | Wheel | Rim | Rim Size | Metric Bearing OD mm | Metric Bearing ID mm | Imperial Bearing | Bearing # |
| Parker To-Tipper* | WBAWHL | Plastic | 8" | 47.00 | 20.00 | 1 6/7" x 4/5" | BE4720 |
| Concreter* | WBEWHL | Steel | 8" | 50.80 | 25.40 | 2" x 1" | BE5025 |
| Constructor* | WBCWHL | Steel | 8" | 50.80 | 25.40 | 2" x 1" | BE5025 |
| Handipour* | WBDWHL | Steel | 8" | 47.00 | 20.00 | 1 6/7" x 4/5" | BE4720 |
| Handipour | WCDWHL | Steel | 8" | 50.80 | 25.40 | 2" x 1" | BE5025 |
| Tradesman* | WCTWHL | Steel | 8" | 50.80 | 19.05 | 2" x 3/4" | BE5019 |
| Tradesman, Constructor, Concreter | WCTWHL | Steel | 8" | 50.80 | 25.40 | 2" x 1" | BE5025 |
| Tow-Tipper | WBWWHL | Plastic | 8" | 47.00 | 20.00 | 1 6/7" x 4/5" | BE4720 |