What is Industrial Caster? The key to low-effort implementation

IndustrialCaster is widely used in factory Equipment, Logistics carts, warehousing trucks and various types of machinery Equipment. It is an important part to assist in the movement of heavy objects. A good Caster configuration is not only "load-bearing", but also needs to strike a balance between labor-saving implementation, smooth steering, ground protection, wear-resistant life and safe parking.

For enterprises, correct selection can reduce the burden of personnel implementation, reduce the risk of Equipment movement, and avoid premature damage to the wheel surface, bracket or bearing.

The Wheel mascot Dexiangshanghao describesCaster knowledge in front of the blackboard. There are multiple question marks drawn on the blackboard, presenting a teaching and question-answering situation.

How to choose IndustrialCaster? Quick summary of key selection points

The core of IndustrialCaster selection is not just to look at the load-bearing Specification, but to also evaluate the load, floor, wheel material, wheel diameter, bracket structure and frequency of use. If there are ground joints, thresholds, oil stains, moisture, frequent turns or heavy loads on site, the safety factor should be increased and the grade of the wheel material and bracket should be re-confirmed.

  • ● Calculate the weight first: Confirm the weight of the Equipment body, the maximum load capacity and the position of the center of gravity, and then estimate the safe load of the Wheel.
  • ● Look at the ground again: If the ground is flat, PU or NylonWheel can be evaluated first; if the ground is uneven, has thresholds or needs to be muted, Rubber Wheel or shock-absorbing Wheel can be evaluated.
  • ● Confirm Wheel material: PU Wheel focuses on wear resistance and labor saving, Rubber Wheel focuses on shock absorption and low noise, Nylon and PP WheelSuitable for oil resistance, chemical resistance or high load flat ground.
  • ● Matching bracket: Move in a straight line, frequently turn, park in a safe and clean environment, choose fixed wheel, movable universal wheel, brake wheel or stainless steel bracket.

IndustrialCaster Selection Checklist

Check itemsInformation that needs to be confirmedImpact focus
Weight and center of gravityEquipment weight, maximum load capacity, center of gravity position, whether it is unbalancedWheel safety load, bracket strength and wheel number configuration
ground conditionsEpoxy floor, cement floor, steel plate, threshold, expansion joint, rampWheel diameter, wheel material, shock absorber requirements and implementation resistance
Frequency of useNumber of moves per day, distance moved, whether the vehicle is parked under heavy load for a long timeWear resistance, deformation resistance, bearing life and maintenance intervals
environmental conditionsOil, moisture, dust, cleaning agents, food or medical hygiene requirementsChemical resistant wheel material, stainless steel bracket and bearing seal grade
Operation modeManual propulsion, mechanical traction, frequent steering, whether braking is requiredFixed Wheel/Universal Wheel combination, braking configuration and lateral force resistance
Technical review: Deyu Shanghao Wheel R&D and Quality Assurance Team
This article is compiled by a technical team with experience in IndustrialCaster, Heavy Duty Casters, PU Wheel materials, shock absorber Wheels and customized Wheel groups. The content is based on actual Wheel material processing, dynamic load capacity, wear resistance, rolling resistance and on-site selection experience.
Reference basis: Dejian Shanghao Wheel follows/references international standards ISO 22883(Industrial uses the quality and safety standards of Caster and Wheel, Suitable for hand pushing or power dragging, and Industrial Applications with a traveling speed of no more than 1.1 m/s/4 km/h) for product design and testing. This standard covers technical requirements, size Specification and strict testing specifications such as more than 50,000 fatigue cycles. When choosing a stainless steel bracket, it is recommended to confirm simultaneously. SUS 304 / SUS 316 Whether the corrosion resistance level of other materials meets the requirements of the site environment.
IndustrialCaster Selection Video: Actual Description of Wheel Material, Load Capacity and Application Differences

The following video describes the differences in the actual application of IndustrialCaster in factories, warehousing and logistics handling situations. It can be observed from the video that the rolling resistance of PU Wheel is significantly lower than that of Rubber Wheel when pushing heavy loads on flat ground, making starting and turning more labor-saving; Rubber Wheel has better shock absorption effect when passing through ground joints or thresholds, and the shaking of goods is smaller. The choice of wheel diameter size and bracket form will also directly affect the pushing feel, equipment height and steering radius. Comprehensive assessment is required based on on-site working conditions.

Difference in resistance between PU Wheel vs Rubber WheelThe practical impact of wheel paths on crossing thresholdsKey points of bracket form and load capacity configuration

If the video cannot be played normally, you can Go to YouTube to watch the IndustrialCaster selection video.

Two major factors affecting the labor-saving implementation of Caster

Many people think that the Equipment is difficult to push just because the load capacity is too heavy, but in fact, the Caster will produce "rotational resistance" when rolling forward, and the universal Wheel will also produce "rotational resistance" when it changes direction. The wheel diameter, wheel surface material, bearing structure, bracket rotation performance and ground flatness will all affect the pushing feel.

From the perspective of the concept of rolling resistance, under the same load, a larger wheel diameter usually saves effort and is easier to cross ground joints, thresholds or uneven roads. However, the larger the wheel diameter, the better, because an increase in the wheel diameter will also increase the installation height of the Equipment, make the center of gravity higher, and increase the universal wheel rotation radius. If working in a narrow production line aisle or in an elevator, it may cause a turning dead corner.

Small illustration Wheel diameter and push resistance
Comparison of the small wheel diameter and the large wheel diameter Caster passing through uneven ground. The large wheel diameter is easier to pass obstacles but will increase the height and turning radius.

When the wheel diameter is larger, it is usually easier to cross joints, thresholds and uneven roads, and the rolling resistance is also smaller.

However, the increase in wheel diameter will increase the equipment height and rotation radius. When selecting, labor saving, stability and working space must be considered at the same time.

Therefore, when selecting a model, a balance should be struck between "effort-saving implementation", "Equipment height", "turning radius" and "moving stability".

Common Caster functions and installation methods for industrial carts

In order to meet different Equipment and transportation needs, the common functions of IndustrialCaster can be divided into fixed Wheel, movable Wheel and brake Wheel. The installation methods include base plate type, screw type (tooth core type) and plug-in rod type. Different structures will affect the load-bearing capacity, installation stability and Suitable Equipment type.

Common Caster Forms

Caster formApplicable situations and features
Fixed Wheel
Fixed Wheel
Mainly designed with one-way linear movement, Suitable for Equipment that requires linear movement, and can provide better travel stability.
Activity Wheel/Wanxiang Wheel
Activity Wheel/Wanxiang Wheel
It can rotate 360 ​​degrees, making it easier to turn the cart or equipment in narrow spaces.
BrakeWheel
BrakeWheel
It can fix the position when the Equipment is parked, reducing the risk of sliding and improving work safety.

Common installation methods

Installation methodApplicable situations and features
Base plate typeSuitable for Equipment with higher load-carrying requirements or stable locking.
Thread type/Tooth core typeSuitable for specific machines, frames or Equipment that requires screw installation.
Pole typeCommonly found in light and medium equipment or specific pipe rack structures.

What are the common heavy-duty wheel materials for industrial use? PU, Rubber, Nylon, PP can be understood at once

The wheel material will determine the feel, wear resistance, shock absorption effect, rolling resistance, chemical resistance and service life. The following is a summary of the differences between PU Wheel, Industrial Grade Rubber Wheel, NylonWheel and PP Wheel.

Wheel material speed reading How to quickly judge common wheel materials?
Caster material selection guide, comparing the applicable scenarios of PU, RUB, NY, PP and other Caster materials according to usage requirements

If you pay attention to labor saving and wear resistance, you can look at PU first;
If the ground is uneven and low noise is required, you can give priority to Rubber;
If the environment requires oil and chemical resistance, Nylon or PP can be evaluated.

● PU: Wear-resistant, labor-saving to implement, and also considers ground protection.
● Rubber: shock absorber, low noise, more suitable for uneven ground.
● Nylon/PP: Oil-resistant, chemical-resistant, Suitable for specific working conditions.

MaterialLoad-bearing capacity (reference)Main featuresApplicable occasions
PolyurethaneWheel
(PU Wheel)
Approximately 50~2,000 kgWear-resistant, impact-resistant, low rolling resistance, less likely to deform under heavy load conditions, less laborious to implement, and has good ground protection effect, not easy to leave scratches or wheel marks. Factory environment, Logistics handling, Automation handling Equipment (AMR/AGV).
Industrial Grade Rubber WheelAbout 30~800kgIt has good elasticity and shock-absorbing effect, can absorb vibration and noise during transportation, and has better floor protection. The ground is uneven and the transport environment requires silence or floor protection.
NylonWheelAbout 100~3,000 kgIt has high rigidity, good compressive strength, good oil and chemical resistance, stable performance under high temperature environment, and is not easy to deform under heavy load for a long time. Industrial environment with heavy equipment, high load and flat ground.
PP WheelAbout 50~600kgLightweight, resistant to chemical corrosion, and cost-effective, it is suitable for transportation situations that do not require high shock absorption. Light and medium-sized Material Handling Equipment, turnover vehicles, chemical environment auxiliary carts.

*The above load-bearing range is a general reference value. The actual Specification varies depending on the product model, wheel diameter and usage conditions. It is recommended to confirm with actual working conditions before selection.

How to choose IndustrialCaster? Let’s first look at the load capacity, ground and usage environment.

When choosing a heavy-duty wheel for industrial use, the load-bearing capacity is important, but if you only look at the load capacity data in the catalog, it often cannot reflect the actual usage conditions. Equipment may produce additional impact forces when moving, turning, starting or passing through ground joints. Therefore, in addition to confirming the total weight of the Equipment, it is also necessary to include the use environment, transportation method and safety factor into the assessment.

It is not recommended to calculate the safe load capacity of IndustrialCaster by just "dividing the total weight by 4". In actual use, ground height differences, steering movements or shifts in the center of gravity of the load capacity may cause some Casters to bear greater pressure. In practice, the more conservative load-bearing method of 3 Casters can be used to estimate:

Recommended single Caster load ≥ (Equipment body weight + maximum load capacity) ÷ Actual stable grounding number of Wheels × Safety factor

Generally, for a four-wheel stroller, when the ground is uneven, steering or the center of gravity shifts, only 3 wheels may bear the main load, so "total weight ÷ 3" is often used as a conservative estimate. If there are ramps, thresholds, mechanical traction, long-term heavy loads or high-frequency use, it is recommended to increase the safety factor.

Safety load diagram Why should the safety load be estimated using 3 wheels?
Why is the safe load commonly used to estimate the 3 Caster, which indicates the difference between the average force of the 4 Wheel and the actual load-bearing of the 3 Wheel when the ground is uneven and the center of gravity shifts

In practice, even if four Casters are installed, some Casters may bear a larger load due to uneven ground, shifting center of gravity, steering or impact.

Therefore, Industrial Applications often use the load-bearing capacity of 3 Casters as a more conservative safety estimate.

For example: If the load of a single Caster is 100 kg, and when four Casters are installed, it is recommended that the total weight of the overall equipment and load should be within 300 kg as a safer estimate. If the use environment includes uneven ground, frequent turns, drop impacts, long-term heavy loads or high-speed movement, it is recommended to increase the safety factor.

De-identified working conditions case: 900 kg heavy-duty machine moved on jointed ground

Working conditions: The indoor cement floor of the metal processing plant. The total weight of the equipment body and the load is about 900 kg. It adopts a 4-wheel configuration. The transportation route includes ground joints and small drops, and needs to be pushed by personnel at low speed and occasionally turned for positioning.

On-site phenomena: The original configuration was only estimated based on the average load-bearing capacity of 4 wheels. During actual implementation, due to the ground drop and center of gravity shift, some wheel groups were subjected to higher instantaneous loads, causing difficulty in starting, heavy steering, and local wear on the wheel surface.

Selection adjustment: Re-estimate the load-bearing capacity of 3 Wheels, 900 ÷ 3 = 300 kg. It is recommended that the Wheel load be at least 300 kg. If frequent joints need to be crossed, further evaluate the larger Wheel diameter, PU Wheel or shock-absorbing Wheel configuration, and confirm the impact resistance of the bracket and bearings.

Selection reminder for special working conditions

Working conditionsPossible risksSelection reminder
The ground is uneven, with many thresholds or gapsThe pushing resistance increases, the goods vibrate, and the impact on the wheel surface intensifies. Evaluate the larger wheel diameter, Rubber Wheel or shock absorber wheel configuration, and confirm the impact resistance of the bracket and bearing.
Long-term heavy loading or fixed parkingThe wheel is overloaded, the rubber is compressed and deformed, and wheel marks remain. The three-wheel load-bearing estimation method is adopted, and the safety factor is increased according to the load capacity frequency.
Oil pollution, chemicals or high humidity cleaning environmentThe wheel material swells, corrodes, and the bearing life is reduced. Confirm that the Wheel material is oil-resistant and chemical-resistant, and match the corresponding bracket surface treatment and bearing structure.
Mechanical traction, frequent turns or high lateral impactThe bracket is deformed, the bearing is damaged, and the wheel surface is abnormally worn. Evaluate reinforced brackets, anti-side thrust design, double wheel structure or higher level bearing configuration.

Quickly compare and select models based on site conditions

The recommended configurations corresponding to five common working conditions are summarized below. You can directly compare according to your own on-site situation. If multiple conditions are met at the same time, it is recommended to first confirm the load-bearing safety, then select the wheel material according to the ground, and finally select the surface treatment of the bracket.

Site conditionsPriority recommended configurationReasons for selection
The ground is flat and heavy loads are moved frequently.PU Wheel + base plate bracketLow rolling resistance, wear-resistant, leaving no wheel marks, and the labor-saving effect is obvious after long-term operation.
The floor is uneven, with seams or thresholdsLarger wheel diameter Rubber Wheel or shock absorber WheelIt has good shock-absorbing and buffering effects, making it easier to cross obstacles and reduce cargo shaking and wheel surface impact.
Oil pollution, chemicals or cleaning environmentNylonWheel or PP Wheel + stainless steel bracketIt is resistant to chemical corrosion and not easy to swell. It can be used with a stainless steel bracket to extend the overall service life.
Need to be silent (Medical / food factory)Rubber Wheel or PU Wheel + Precision BearingIt has low noise, small vibration, and smooth operation. It is suitable for situations where quietness of the working environment is required.
Occasionally shifting after being parked at a fixed location for a long timeTo improve safety, choose PU Wheel or heavy-duty NylonWheelAfter being pressed hard for a long time, the wheel material with insufficient resilience is prone to flat spots, resulting in uneven running or residual wheel marks.
Key Tips IndustrialCaster Quick Selection 5 Steps
IndustrialCaster Quick Selection 5 Steps

1. Confirm the total weight: Equipment weight + maximum load capacity
2. Calculate the wheel safety load: total weight ÷ 3
3. Confirm the ground conditions: flat, rough, threshold, oily, damp
4. Choose wheel material: PU, Rubber, Nylon, PP
5. Select the bracket and function: fixed, movable, braking, shock absorber, heavy-duty bracket

Wheel recommended for industrial use|Dexianghao Wheel provides multiple load capacity handling solutions

The choice of Wheel for industrial use will directly affect the load-bearing stability of Equipment when moving, implementation efficiency and subsequent maintenance costs. If the use environment involves heavy-load handling, long-term movement, frequent turns or special ground conditions, in addition to confirming the Wheel load, it is also necessary to simultaneously evaluate the Wheel material, Wheel diameter, bracket structure, bearing form and brake configuration.

As a professional Caster manufacturer, Get a good WheelWe have long been involved in the R&D and manufacturing of Industrial Casters, Heavy Duty Casters and Extra Heavy Duty Casters. We provide multiple Specification and customized configuration services to help companies select more suitable Industrial Wheel and Wheel group solutions based on Equipment weight, handling methods and usage environment.

IndustrialCaster recommends: Choose the appropriate Series according to the handling situation

If you have confirmed the Equipment weight, ground conditions and usage environment, you can quickly correspond to the common Series of Wheels according to the table below, and then further confirm the Wheel diameter, Wheel material, bracket and brake configuration.

handling situationRecommended SeriesSuitable for reasons
General heavy load handlingSuper Heavy Duty IndustrialCasterSeries
Heavy IndustrialCasterSeries
Suitable for factories, warehousing and general equipment movement, taking into account load-bearing, wear-resistant and daily handling requirements.
Overload Equipment1102 Series Super Heavy Duty Type B CasterSeries
1162 Series Elephant Foot Super Heavy Duty CasterSeries
Suitable for high load, low-speed transportation and large Equipment support, focusing on load-bearing stability and bracket strength.
The ground is uneven or shock absorbers are needed1115 Series load capacityspring shock absorberWheelSeriesIt can reduce vibration and impact during transportation. Suitable for ground joints, thresholds or areas where equipment needs to be protected.
Frequent turns or side impacts1113 Series Slanted Bead Type Heavy Duty CasterSeries
1142 Series Long Bead Impact Resistant CasterSeries
Suitable for heavy-duty steering, mechanical traction or applications with high lateral force, it can improve rotation stability and impact resistance.
Medical, silent or clean needs1129 Series MedicalSeriesSuitable for equipment and sites that have requirements for noise, smooth implementation and environmental cleanliness.
US standard Equipment or special tripod requirements1130 Series 30 Series American Standard Tripod Series
1109 Series American WheelSeries
Suitable for applications that require specific US-standard structures, tripod dimensions or replacement of existing Equipment.
Dewanghao Wheel supplies Industrial Casters in various fields, allowing users to choose the right Caster according to different uses. This Industrial Wheel Selection Guide shows the corresponding cart applications and Caster products according to application scenarios such as light transportation, medium and heavy load capacity, special environmental requirements and ground conditions, helping to improve Equipment movement efficiency and work safety.

Need help evaluating the IndustrialCasterSpecification?

Please provide "Equipment weight, load capacity, ground conditions, usage environment, installation method", and Dexi can assist in evaluating the appropriate wheel diameter, wheel material and bracket configuration.

Contact us at Wheel

Further reading

Frequently Asked Questions

How does IndustrialCaster calculate safe load capacity? Why is it commonly used to estimate the load-bearing capacity of 3 wheels?

It is recommended that IndustrialCaster's safe load capacity be estimated by adding the Equipment weight plus the maximum load capacity, and using the load-bearing capacity of 3 Wheels as a more conservative benchmark.

Generally speaking, although 4 Casters are the most common, the ground is uneven, the center of gravity is shifted, and when turning or crossing a threshold, the 4 Wheels do not necessarily bear equal force. Therefore, Industrial Applications often estimate the load-bearing capacity of 3 Wheels. The simplified formula is: The recommended load of a single Caster is ≥ (Equipment body weight + maximum load capacity) ÷ 3. If the site has ramps, mechanical traction, long-term heavy loads or frequent impacts, It is recommended to increase the safety factor.

How to choose between heavy-duty Wheel, PU Wheel, Rubber Wheel, NylonWheel and PP Wheel?

PU Wheel focuses on wear resistance and labor saving, Rubber Wheel focuses on shock absorption and low noise, NylonWheelSuitable for high load flat ground, PP WheelSuitable for light and medium duty and chemical resistant environment.

When choosing a wheel material, you should not only look at the load-bearing capacity, but also evaluate the floor material, noise, resistance to movement, abrasion resistance, oil resistance and contact with detergents or chemicals. If the floor is flat and the material is frequently transported, PU Wheel is usually a more balanced choice; if the floor is uneven or the goods are shaken, you can evaluate Rubber Wheel or shock-absorbing Wheel.

Is the larger the wheel diameter necessarily better for pushing? Will it affect the Equipment's height or center of gravity stability?

The larger the wheel diameter, the easier it is to overcome obstacles, but it will also increase the equipment height, center of gravity and universal wheel rotation radius.

If the Equipment needs to pass through thresholds, joints or rough ground, a larger Wheel diameter can usually reduce rolling resistance. However, if the Equipment has a high center of gravity, a narrow passage or requires frequent steering, an excessively large Wheel diameter may cause steering dead corners or stability problems, so a comprehensive judgment still needs to be made based on the load, Equipment height, center of gravity and moving lines.

When the ground is uneven and there are thresholds or expansion joints, how should I choose IndustrialCaster?

When the ground is uneven, priority should be given to evaluating the larger wheel diameter, Rubber Wheel, PU Wheel or shock absorber wheel, and confirming the impact resistance of the bracket and bearing.

If the transportation route contains thresholds, expansion joints, ditch covers or small drops, the Wheel assembly will bear additional impact, which may easily cause increased pushing resistance, damage to the Wheel surface and vibration of the cargo. At this time, a larger Wheel diameter, a Wheel material with better elasticity, or a load capacity spring shock absorber Wheel configuration can be considered.

Heavy Equipment is difficult to push after being parked at a fixed location for a long time. Is it because the Caster was chosen incorrectly?

It may be caused by pressure deformation of the Wheel material, insufficient Wheel load or insufficient safety factor.

Heavy pressure at a fixed point for a long time will cause flat spots or compression deformation in part of the wheel material, resulting in increased starting resistance, uneven running, or wheel marks on the ground. If the Equipment is often parked with heavy loads and then moved, it is recommended to choose a PU Wheel or heavy-duty Nylon Wheel with better resistance to deformation, and increase the wheel load Specification.

How often does Caster need maintenance or replacement? What are the signs that the wheel needs to be replaced?

It is generally recommended to inspect every 3 to 6 months, and for high-frequency heavy-load use, it is recommended to inspect every 1 to 2 months.

The key points to check include whether the bearings are smooth, whether there are cracks, flat spots, nicks or abnormal wear on the wheel surface, whether the bracket is deformed, and whether the brake can be firmly fixed. If there is abnormal noise when pushing, the steering is obviously heavier or the wheel surface is damaged, it is not recommended to continue using it with a load.

What is the difference between stainless steel brackets and ordinary steel brackets? When should you choose stainless steel?

Stainless steel brackets are mainly suitable for moisture, cleaning, salt spray, food, medical and pharmaceutical fields that require corrosion resistance or hygiene levels.

Generally, electroplated or painted steel brackets are suitable for dry indoor environments and have lower costs; stainless steel brackets are suitable for environments with long-term exposure to moisture, detergents or high-pressure water washing. When selecting, you should also confirm the chemical resistance of the wheel material and the bearing sealing grade.

How to match the fixed Wheel and the movable universal Wheel?

For linear movement, 2 fixed Wheels + 2 universal Wheels are available; for frequent steering in narrow spaces, 4 fully universal Wheels are available.

2 fixed wheels + 2 universal wheels can improve the stability of straight line travel and reduce deviation; 4 fully universal wheels provide flexible steering and are suitable for narrow passages or equipment that requires lateral adjustment. For super heavy equipment or occasions that require precise orientation, it is recommended to evaluate the fixed wheel, universal wheel, braking wheel and guide structure according to the moving line.