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The Medium Duty 3/4/5" Rigid High Temperature Resistant Casters are engineered for extreme-heat environments where standard casters fail. With a heat resistance range of 180–280℃ (356–536℉) and a 90–150kg load capacity, they’re built for industries like food baking (oven carts), pharmaceutical manufacturing (drying processes), metal heat treatment (workshop racks), and high-temperature testing labs. Unlike regular casters (which melt above 80℃), these maintain strength and smooth operation in near-oven or heat-treatment conditions.
Wheel core & tread: Nylon + fiber composite—this blend retains rigidity at 280℃ (brown tread model 364-3B) and resists warping or brittleness. The black tread model (363-3H) handles 180–200℃, suitable for medium-heat tasks.
Frame & bearings: High-temperature alloy steel frame + precision heat-resistant bearings—alloy steel won’t deform at 280℃, while the bearings use high-temperature grease (effective up to 300℃) to avoid seizure.
Surface coating: Corrosion-resistant coating on metal parts—protects against oxidation in hot, humid environments (e.g., pharmaceutical drying chambers).
Rigid design: Moves only in straight lines—better stability than swivel casters in narrow high-temperature workshops (e.g., metal heat treatment lines). Prevents accidental movement near heat sources.
Shock-absorbing treads: 90–95 Shore A hardness balances durability and shock absorption—protects fragile goods (e.g., glassware in pharmaceutical labs) from vibrations during transport.
Non-marking surface: Nylon + fiber treads won’t scuff factory floors, even at high temperatures—maintaining a clean workspace.
Wheel sizes: 3” (75mm), 4” (100mm), 5” (125mm)—5” models (150kg capacity) for heavy equipment (e.g., oven maintenance platforms), 3” models (90kg) for light tools (e.g., small heat-treatment racks).
Load height: 105mm (3”) to 158mm (5”)—compatible with standard high-temperature equipment bases.
Weight per caster: 400–600g (varies by size)—heavy enough for stability, light enough for easy equipment movement.
Extreme heat tolerance: The top model (280℃) outperforms competitors—ideal for tasks like moving bakery oven racks or pharmaceutical drying trays.
Balanced load capacity: 90–150kg meets medium-duty needs—avoids the cost of heavy-duty high-temperature casters (200kg+ capacity) while exceeding light-duty options.
Low friction operation: Precision bearings reduce rolling resistance, even at 250℃—one person can move a 150kg cart without extra effort.
Industry-specific fit: Tailored for high-temperature sectors (food, Pharma, metal)—features like non-toxic materials (safe for food) and easy cleaning (Pharma-ready) make them niche specialists.
| Description | ||||||||
| Material : Hight temperature Nylon with fiber ( H resistance steel ball and derlin ) | ||||||||
| Swivel section : Precision steel ball with double track design | ||||||||
| Installation : fix , plate , thread steam , hollow steam |
| Tread |  | Tread | |
| Color : black | Color : brown | ||
| Hardness : 90-95 Shore A | Hardness : 90-95 Shore A | ||
| Wheel core : PA+fiber | Wheel core : PA+fiber | ||
| Wheel tread : PA+fiber | Wheel tread : PA+fiber | ||
| Temperature resistance : 180-200℃ | Temperature resistance : 200-280℃ | ||
| Wheel code : 363-3H | Wheel code : 364-3B |
| Model | Wheel Material | Wheel Dia | Tread Width | Load Height | Plate Size | Plate Size | Hole Size | Load Capacity |
| 301ZN-010-63-363-3H | Nylon+Fiber | 63 (2.5") | 32 | 92 | 96*66 | 75*45 | 8.5 | 90 |
| 301ZN-010-75-363-3H | Nylon+Fiber | 75(3") | 32 | 105 | 96*66 | 75*45 | 8.5 | 110 |
| 301ZN-010-100-363-3H | Nylon+Fiber | 100(4") | 32 | 130 | 96*66 | 75*45 | 8.5 | 125 |
| 301ZN-010-125-363-3H | Nylon+Fiber | 125(5") | 32 | 158 | 96*66 | 75*45 | 8.5 | 150 |
| Model | Wheel Material | Wheel Dia | Tread Width | Load Height | Plate Size | Plate Size | Hole Size | Load Capacity |
| 301ZN-020-63-363-3H | Nylon+Fiber | 63 (2.5") | 32 | 92 | 96*66 | 75*45 | 8.5 | 90 |
| 301ZN-020-75-363-3H | Nylon+Fiber | 75(3") | 32 | 105 | 96*66 | 75*45 | 8.5 | 110 |
| 301ZN-020-100-363-3H | Nylon+Fiber | 100(4") | 32 | 130 | 96*66 | 75*45 | 8.5 | 125 |
| 301ZN-010-125-363-3H | Nylon+Fiber | 125(5") | 32 | 158 | 96*66 | 75*45 | 8.5 | 150 |
| Model | Wheel Material | Wheel Dia | Tread Width | Load Height | Plate Size | Plate Size | Hole Size | Load Capacity |
| 301ZN-022-63-363-3H | Nylon+Fiber | 63 (2.5") | 32 | 92 | 96*66 | 75*45 | 8.5 | 90 |
| 301ZN-022-75-363-3H | Nylon+Fiber | 75(3") | 32 | 105 | 96*66 | 75*45 | 8.5 | 110 |
| 301ZN-022-100-363-3H | Nylon+Fiber | 100(4") | 32 | 130 | 96*66 | 75*45 | 8.5 | 125 |
| 301ZN-022-125-363-3H | Nylon+Fiber | 125(5") | 32 | 158 | 96*66 | 75*45 | 8.5 | 150 |
A1: Yes—use the brown tread model (364-3B), which withstands up to 280℃. It’s safe for oven carts, maintenance platforms, or food transport near 260℃ heat sources.
A2: No. The bearings are pre-lubricated with high-temperature grease that lasts 2–3 years with daily use. Re-lubrication is only needed if the casters are used in extremely dusty environments (e.g., metal workshops).
A3: Absolutely. The nylon + fiber material is non-toxic and easy to clean—meets food safety standards. The 4” or 5” models work for bakery oven carts, transporting dough trays or finished goods near ovens.
A4: Swivel casters have more moving parts that can fail in extreme heat (e.g., swivel joints seize). Rigid casters have fewer components, making them more durable. They also offer better control in narrow, hot spaces—critical for avoiding accidents near heat sources.
