Qingdao Renwei Industrial Co., Ltd. · Qingdao, China
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Qingdao Renwei Industrial Co., Ltd.
Wheel and Caster Matching at Renwei
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Matching Wheels and Casters to Your Equipment

Four measurements settle almost every wheel question. Take them before you ask.

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Most wheel enquiries stall on missing dimensions. Diameter alone is never enough, because two wheels of the same diameter can have different sections, rims and bores.

This is the one place where Renwei's catalogue does something unusual: it sells the carts and the wheels that go under them, so a fleet can be standardised on one size deliberately.

Process

How It Runs Step by Step

  1. Measure the wheel

    Overall diameter, section width, and for pneumatic wheels the rim diameter. Read the tyre sidewall if it is legible.

  2. Measure the mounting

    Bore diameter through the hub and hub length, plus the axle length across the fork for a caster.

  3. Decide the wheel material

    Pneumatic for soft ground and shock, PU foam for flat-free service, EVA for light consumer loads, PU or TPR for quiet non-marking floors, nylon or cast iron for heavy loads on hard floors.

  4. Check the load per wheel

    Divide the total loaded weight by three rather than four, and add a margin for shock loading.

  5. Check the fitted height

    For casters, overall height changes the working height of the equipment. Match it when replacing.

  6. Send the figures with a photograph

    Four dimensions and one clear photograph resolve most matching questions in a single exchange.

What Renwei Brings

Capability Behind This Process

  • Wheel sizes published in standard diameter, section and rim notation
  • Caster capacity published against each wheel diameter rather than as one figure
  • Pneumatic, PU foam, EVA, rubber, TPR, nylon and cast iron cored options across the ranges
  • Wheel-only supply so a good bracket need not be scrapped
Be Aware

What Is Not Published

Bore diameter, hub length and axle dimensions are not published in the source catalogue for most wheel models. Send your measurements and ask for confirmation before ordering a batch.

Product Families

Families This Applies To

Rubber Wheel models from Renwei

Rubber Wheel

12 models
The part that fails first on every cart in the field — so it is sold as a line item, not an afterthought.
PU Wheel models from Renwei

PU Wheel

12 models
The shape of a pneumatic wheel without the valve — for fleets that lose more time to punctures than to wear.
EVA Wheel models from Renwei

EVA Wheel

12 models
Light, quiet and maintenance free — the volume wheel under consumer carts.
Caster Wheel models from Renwei

Caster Wheel

6 models
The wheel on its own — for rebuilding a caster instead of replacing the whole unit.
Light Heavy Caster models from Renwei

Light Heavy Caster

12 models
50 to 125mm wheels under equipment that moves daily and must not mark the floor.
Heavy Caster models from Renwei

Heavy Caster

12 models
100 to 200mm wheels rated 200kg and up — where light duty stops being honest.
Big Heavy Caster models from Renwei

Big Heavy Caster

12 models
Cast iron cored wheels for loads that would flat-spot anything softer.
Industries

Who Uses This Process

Industry

Warehousing and Logistics

High-cycle equipment on hard floors — where caster specification decides the maintenance bill.
Industry

Manufacturing and Workshops

Equipment that has to survive swarf, oil and a floor that was last resurfaced a decade ago.
Industry

Construction and Contracting

Ground that breaks equipment, routes too narrow for machines, and a fleet that has to be repairable on site.
Related Guides

Background Reading

Buying Guide

How to Read a Wheel Size

Three numbers, one dash and a lot of failed replacements. What 13*3.50-8 actually means and which figure people get wrong.
Technical Guide

Wheel Bore Hub and Bearing Guide

The two measurements that decide whether a correctly sized wheel actually goes onto your axle — and why almost nobody publishes them.
Technical Guide

Caster Load Ratings Explained

Dividing the load by four is the most expensive arithmetic mistake in material handling. Here is why it should be three.
Technical Guide

Matching Wheel Material to Your Floor

Nylon carries most, polyurethane protects the floor, cast iron survives the yard. Pick the wrong one and facilities send you the cleaning bill.
Questions Buyers Ask

Wheel and Caster Matching Questions

What measurements do you need from me?

Overall wheel diameter, section width, rim diameter for pneumatic wheels, bore diameter through the hub and hub length. For casters, add the axle length across the fork and the overall fitted height.

How do I read a size like 13*3.50-8?

Thirteen inches overall diameter, 3.50 inch section width, on an 8 inch rim. All three numbers have to match for a true replacement.

Can one wheel size be standardised across a mixed fleet?

Often yes, if the axle diameters and hub widths are compatible. It is usually the single most effective thing a fleet operator can do to cut spares holding.

Start a Wheel and Caster Matching Conversation

Send your model list, quantities and destination market, and the points above will be confirmed in writing.

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