High temperature casters — black, plain bore.
The simplest heat build there is: a black heat-resistant wheel running on a plain bore, so there is no bearing grease for the heat to cook out. Three sizes at 100 to 130 kg per caster.
Specification
| Series | High temperature casters — medium duty, plain bore |
|---|---|
| Wheel | Heat-resistant wheel, black, 75–125 mm × 32 mm, plain bore (no bearing) |
| Load capacity | 100–130 kg per caster by size — see the size table |
| Temperature rating | Stated on the quotation against your working temperature, after sample bake testing — never as a generic headline figure |
| Configurations | Swivel, rigid, swivel with brake, threaded stem |
| Mounting | Top plate 92 × 62 mm (holes 74 × 45, Ø 9) or threaded stem M12 × 30 |
| Documentation | CE / RoHS documentation available on request — ask in the RFQ and the documents for this series accompany the quotation. |
| MOQ | Confirmed per order in the written quotation |
| Lead time | Confirmed per order in the written quotation |
Values marked as a class or target are the specification this model is quoted and sampled against. Final confirmed values are stated on the written quotation and verified on the production sample before bulk production.
Every bearing is a heat liability: grease thins, migrates and carbonises, and the caster that rolled freely in spring grinds by autumn. This series removes the bearing from the problem — the wheel runs on a plain bore, the oldest and most heat-tolerant arrangement there is, at a modest cost in rolling effort that medium duty can afford.
The same heat-line rule applies: no temperature figure is published without a sample bake test behind it. State continuous and peak temperatures in the RFQ and the quotation rates the build against them on test evidence.
Sizes in this series
| Size | Wheel Ø × width | Load per caster | Overall height |
|---|---|---|---|
| 3 in | 75 × 32 | 100 kg | 105 mm |
| 4 in | 100 × 32 | 120 kg | 130 mm |
| 5 in | 125 × 32 | 130 kg | 155 mm |
Dimensions in millimetres unless shown otherwise. Values are the series table values; the written quotation confirms the final drawing for your size class before sampling.
Configuration options
- Ball-bearing heat builds quoted where rolling effort matters more than ultimate heat tolerance — state the duty in the RFQ.
- Heavy brown heat build — see the brown heavy duty series.
What the sample verifies
Before bulk production, the production sample of this series is checked against the locked specification: wheel diameter and — critically — wheel width measured, tread hardness verified where the series states it, bearing type confirmed, fork and plate dimensions measured, and load performance tested per the stated convention (EN 12532 / ANSI ICWM). The approved sample becomes the reference for the shipment, and the order carries batch traceability back to it.
Request pricing for this series
About this series
Plain bore vs bearing — how do I choose?
Heat decides. The hotter and longer the exposure, the stronger the case for the plain bore: nothing to cook out, nothing to seize. On cooler, effort-sensitive duty, a bearing build rolls easier — tell us the temperature profile and the quotation will argue the choice in writing.
What temperature can it handle?
Confirmed by bake-testing the production sample against the continuous and peak temperatures you state — then printed on the quotation. We do not publish untested degree figures.
Need this caster under your own brand?
Private label, custom packaging and carton marks are available across the range — mention it in the RFQ and the quotation will include the branding steps.