ISO 9001:2015 · EN 12532 / ISO 22883 tested · Free samples for qualified distributors · Request a quote →
Polyurethane Grip-ring / expanding stem Medium duty In production

100 mm PU Expanding Stem Swivel Caster with Total Lock

SKU JLS-3-CBP · HS 8302.20.00

M12 expanding stem for frames where you cannot reach the underside: the sleeve expands inside the tube as the stem is tightened. Cream PU tyre on a nylon core, 150 kg rating and a total-lock brake — the tallest stem model in the range at 265 mm overall.

Wheel Ø 100 mm / 4"
Load capacity 150 kg
Overall height 265 mm
Bearing Precision double ball bearing
Tube framesDisplay racksWorkbenches

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FOB Ningbo · MOQ 500 pcs · reply within 24 h

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Samples: 2–3 pcs free for qualified distributors (freight collect).

Full specification

Model / SKUJLS-3-CBP
SeriesJLS-3 Series
Wheel diameter100 mm (4")
Tread width32 mm
Load capacity (dynamic)150 kg / 330 lb
Load capacity (static)300 kg
Wheel materialPolyurethane
Wheel coreNylon core
Tread hardness95 Shore A
Wheel bearingPrecision double ball bearing
Swivel bearingDouble ball raceway
Mounting typeGrip-ring / expanding stem
Stem / fittingM12 expanding stem, zinc-plated — clamp fit, no welding
Top plate size—
Bolt hole spacing—
Overall height265 mm
Swivel offset32 mm
BrakeTotal lock (wheel + swivel)
Temperature range-20 to +80 °C
Bracket finishZinc-plated, 2.5 mm pressed steel
StandardEN 12532 / ISO 22883
HS code8302.20.00
MOQ500 pcs
Lead time7–15 days
Packing10 pcs / carton, 1,200 pcs / pallet
CustomizationWheel colour, hub marking, laser logo, retail packaging

Load capacities are stated per caster for continuous manual propulsion on level floors. On uneven floors divide the total weight by 3, not 4 — see the selection guide.

About this model

M12 expanding stem for frames where you cannot reach the underside: the sleeve expands inside the tube as the stem is tightened. Cream PU tyre on a nylon core, 150 kg rating and a total-lock brake — the tallest stem model in the range at 265 mm overall.

Typical applications

  • Tube frames
  • Display racks
  • Workbenches

Configuration advice

A four-wheel trolley normally uses two swivel + two rigid casters so it tracks straight; use four swivel casters only where the equipment must move sideways in tight spaces.

Drawings & documentation

2D drawing (PDF)

Dimensioned side and top view with bolt pattern.

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3D model (STEP)

For SolidWorks, Inventor and Fusion 360.

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Datasheet (PDF)

Full spec sheet with load and test data.

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CAD files are released after a short registration — it keeps our drawings out of competitor catalogues.

Questions about this model

MOQ is 500 pcs per SKU for standard models and 1,000 pcs for custom colours or hub markings. Mixed-SKU container orders are welcome — most distributors start with a 20 ft container combining 8–15 SKUs.
Yes. We ship 2–3 free samples to qualified distributors and OEM customers (freight collect). Samples are dispatched within 3 working days.
Both. OEM: your logo on the bracket, your packaging, your artwork. ODM: we have in-house tooling and can develop a new caster from your drawing — typical tooling lead time is 25–35 days.
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