Rollers
Widely used on roll‑up or overhead doors of box trucks, trailers, and semi‑trailers. These are commonly the “truck rollers” people refer to when ordering replacement parts.
Comprehensive List of Truck Door Rollers
1. Todco / Diamond / Whiting (1″ Track Rollers)
Todco Part #: 61174
Whiting Part #: 4027
Diamond Part #: ROLLER‑1000
Description: 1″ steel tire, 9‑ball bearing roller for 1″ overhead truck door track
American Door Supply SKU: TD‑RT100S (1″ Steel Overhead Truck Door Roller)
2. Whiting / Diamond / Todco (2″ Track Rollers – Nylon)
Todco Part #: 70225
Whiting Part #: 3228
Diamond Part #: ROLLER‑2003
Description: 2″ nylon tire, heavy‑duty sealed roller, 13‑ball bearing, 3¼″ stem
Custom Truck One Source Listing: 2″ Nylon Door Rollers (part # 89WHI3228)
3. Todco Steel Roller (2″ Track)
Todco Part #: 70224
Whiting Part #: 2996
Diamond Part #: ROLLER‑2000
American Door Supply SKU: TD‑RW200S (Steel Tire, 2″ track)
4. Fehr Bros. Heavy-Duty 1″ Steel Truck Door Roller (bulk pack)
Type: 7‑ball steel roller
Stem Length: 2‑¾″
Diameter: 1″
Pack Options: Sets of 25 or 200 pieces
Summary Table
| Roller Type | Material | Track Size | Part Numbers / SKU |
|---|---|---|---|
| Todco 1″ Steel | Steel | 1″ | Todco 61174 / Whiting 4027 / Diamond ROLLER‑1000 / TD‑RT100S |
| Whiting 2″ Nylon | Nylon | 2″ | Todco 70225 / Whiting 3228 / Diamond ROLLER‑2003 / Custom # 89WHI3228 |
| Todco 2″ Steel | Steel | 2″ | Todco 70224 / Whiting 2996 / Diamond ROLLER‑2000 / TD‑RW200S |
| Fehr Bros. Bulk Roller | Steel | 1″ | 7‑ball, 2‑¾″ stem, bulk pack (25 or 200 pcs) |