Heavy duty wheels from Blickle

Blickle Räder+Rollen offers heavy duty wheels in many variants. The comprehensive product range includes heavy duty wheels made of nylon, steel, with elastic solid rubber or polyurethane tyres. Blickle heavy duty wheels have a load capacity of up to 50,000 kg and a Ø of up to 1000 mm.

On request, Blickle produces customer-specific special heavy duty wheel versions.

Definition of heavy duty wheels

Heavy duty wheels are used for applications with heavy loads and/or higher travelling speeds. Heavy duty wheels feature a particularly stable design. For applications with high loads, the wheels are available in a very strong welded steel construction.

Heavy duty wheels – selection criteria

The following selection criteria must be observed when selecting heavy duty wheels:

  •     Load capacity
  •     Tread material
  •     Wheel Ø, starting and rolling resistance
  •     Bearing type
  •     Environmental factors, temperature, chemistry and corrosion
Find the right heavy duty wheels for your application with our product finder.
You can find an overview of Blickle heavy duty wheels in our product range.

Determining the required load capacity for heavy duty wheels

The required load capacity for heavy duty wheels is calculated using the weight of the transport unit and its load, divided by the number of load-bearing heavy duty wheels. The result is multiplied by a safety factor dependent on the standard conditions of the heavy duty wheels:

T = Load capacity per heavy duty wheel
E = Weight of the transport unit
Z = Maximum load
n = Number of load-bearing heavy duty wheels
S = Safety factor

For heavy duty wheels, the safety factor S takes into consideration deviations from the standard conditions (smooth floor, walking speed, uniform load distribution, travelling straight, ambient temperature from +15°C to +28°C). In addition to the speed, the safety factor is influenced by the ratio of the wheel Ø to the height of the obstacle. The greater the deviation from the standard conditions for heavy duty wheels, the greater the factor S that must be selected.

A differentiation is made between four standard conditions:

Manual movement with heavy duty wheels for indoor use:
(height of the obstacle < 5% of the wheel Ø): safety factor: 1.0 to 1.5

Manual movement with heavy duty wheels for outdoor use:
(height of the obstacle > 5% of the wheel Ø): safety factor: 1.5 to 2.2

Motor-driven movement with heavy duty wheels for indoor use:
(height of the obstacle < 5% of the wheel Ø): safety factor: 1.4 to 2.0

Motor-driven movement with heavy duty wheels for outdoor use:
safety factor: 2.0 to 3.0

For heavy duty wheels with ball bearings, speeds over 4 km/h are possible with a simultaneous load capacity reduction. If a wheel or fixed castor is primarily subjected to static loads, a load capacity increased by up to 25% can be assumed. In the event of long endurance times under high loads, the risk of the wheel tread flattening must be taken into account.

Starting and rolling resistance, operating noise and floor surface preservation of heavy duty wheels

The starting and rolling resistance of heavy duty wheels is influenced by a wide variety of factors.

Starting resistance of heavy duty wheels

The starting resistance is the force required to transition the heavy duty wheels from a resting state to a state of motion The force required to keep the heavy duty wheels in steady motion is referred to as the rolling resistance. The starting and rolling resistance is influenced by the following factors:

  •     Wheel Ø
  •     Tread
  •     Tread & tyre hardness
  •     Elasticity of the tread
  •     Bearing
  •     Surface
Rolling resistance of heavy duty wheels

The rolling resistance of heavy duty wheels results due to a permanent compression and decompression of the tread during the rolling process (hysteresis). The rolling resistance is measured using a test bench. The measurements are determined under ideal conditions:

  •     Level, smooth steel surface free of dirt and obstructions
  •     Speed: 4 km/h
  •     Temperature: +20°C
  •     Load: 2/3 of the max. load capacity
Under these standardised conditions, the rolling resistances of the different heavy duty wheel series can be compared. Deviating standard conditions (surface state, temperature, speed, etc.) must be observed when selecting heavy duty wheels and can have a significant influence on the rolling resistance values.

Heavy duty wheels – operating noise

In general, the following applies: The larger the heavy duty wheels and the softer and thicker the treat, the quieter a vehicle can move thanks to the wheels. This means that a soft tread with a low, harder tread entails higher noise emissions. With low loads and a soft floor (carpeting), low noise emission and high floor surface preservation are also possible when using hard heavy duty wheels.

Heavy duty wheels – floor surface preservation

A harder tread strains the floor more than a soft one. The average floor pressure is characteristic for floor surface preservation. The following values can be taken as reference for the different tread materials for heavy duty wheels:

  •     Pneumatic tyre ~ 0.8 N/mm²
  •     Soft rubber ~ 0.8 N/mm²
  •     Super-elastic solid rubber ~ 1.5 N/mm²
  •     Elastic solid rubber ~ 1.8 N/mm²
  •     Solid rubber/polyurethane ~ 3.5 N/mm² (approx. 75° shore A)
  •     Polyurethane ~ 8.0 N/mm² (approx. 92° shore A)
  •     Thermoplastic polyurethane ~ 11.0 N/mm²
  •     Polypropylene/nylon > 40.0 N/mm²
  •     Cast nylon > 60.0 N/mm²
  •     Cast iron > 350 N/mm²
  •     Steel > 500 N/mm²

Wheel materials and treads for heavy duty wheels


The wheel material and the tread must be selected based on the requirements placed on the heavy duty wheels. Below you will find an overview of the wheel materials and treads for Blickle heavy duty wheels:

Heavy duty wheels with elastic solid rubber tyres – POEV, ALEV, SE, GEV, SEV, GEVN, SEVN, DS and SAV series

Heavy duty wheels with elastic solid rubber tyres are based on a special rubber compound, feature very good floor preservation, are vibration-absorbing with a particularly high load capacity, very high operational comfort. They are also resistant to a wide range of aggressive substances, but not to oils (see 'Chemical resistance'), black. Heavy duty wheels with elastic solid rubber tyres can be used at temperatures from -30°C to +80°C, temporarily up to +100°C, and are available in two variants:

Heavy duty wheels in smooth rolling quality: low starting and rolling resistance, high resistance to wear. Hardness: 65°±3° shore A.
Heavy duty wheels in drive quality: very high resistance to wear, low starting and rolling resistance. Hardness: 70°±3° shore A.


Heavy duty wheels with Blickle Softhane® – ALST series

Blickle Softhane® is a reaction-injected polyurethane-elastomer and is based on polyesterpolyol, diisocyanate and glycol. Heavy duty wheels with Blickle Softhane® feature very good floor preservation, are vibration-absorbing, non-marking, non-staining, very abrasion-resistant, elastic and resistant to a wide range of aggressive substances and UV radiation, but not to hot water, steam, hot, humid air and aromatic solvents (see 'Chemical resistance'). In addition, heavy duty wheels with Blickle Softhane® feature very high operational comfort, low rolling resistance and a low rise in temperature under dynamic loads. Green. Heavy duty wheels with Blickle Softhane® can be used at temperatures from -30°C to +70°C, temporarily up to +90°C. In the event of ambient temperatures under -10°C, the heavy duty wheels become more rigid. Hardness: 75°+5° shore A.

Heavy duty wheels with Blickle Extrathane® – ALTH, GTH, SETH, STH, GTHN and STHN series

Blickle Extrathane® is a reaction-injected polyurethane-elastomer and is based on polyesterpolyol, diisocyanate and glycol. Heavy duty wheels with Blickle Extrathane® feature very good floor preservation, are non-marking, non-staining, abrasion-resistant, elastic and resistant to a wide range of aggressive substances and UV radiation, but not to hot water, steam, hot, humid air and aromatic solvents (see 'Chemical resistance'). In addition, heavy duty wheels with Blickle Extrathane® feature an extremely low deformation, low rolling resistance and a low rise in temperature under dynamic loads. Light brown. Heavy duty wheels with Blickle Extrathane® can be used at temperatures from -30°C to +70°C, temporarily up to +90°C. In the event of ambient temperatures under -10°C, the heavy duty wheels become more rigid. Hardness 92°±3° shore A.

Heavy duty wheels with Blickle Besthane® – GB series

Blickle Besthane® is a reaction-injected polyurethane-elastomer and is based on polyether polyol, diisocyanate and diol. Heavy duty wheels with Blickle Besthane® feature good floor preservation, are non-marking, non-staining, very abrasion-resistant, elastic and resistant to a wide range of aggressive substances and UV radiation (see 'Chemical resistance'). In addition, heavy duty wheels with Blickle Besthane® feature an extremely low deformation, very low rolling resistance and a low rise in temperature under dynamic loads and are particularly suitable for high speeds. Brown. Heavy duty wheels with Blickle Besthane® can be used at temperatures from -30°C to +70°C, temporarily up to +90°C. In the event of ambient temperatures under -25°C, the heavy duty wheels become more rigid. The hardness is 92°±3° shore A.

Heavy duty wheels with Blickle Besthane® Soft – ALBS series

Blickle Besthane® is a reaction-injected polyurethane-elastomer and is based on polyether polyol, diisocyanate and diol. Heavy duty wheels with Besthane® Soft feature very good floor preservation, are non-marking, non-staining, very abrasion-resistant, elastic and resistant to a wide range of aggressive substances and UV radiation (see 'Chemical resistance'). Heavy duty wheels with Blickle Besthane® Soft feature a very high operational comfort, an extremely low deformation, very low rolling resistance and a low rise in temperature under dynamic loads and hydrolysis resistance and are particularly suitable for high speeds. Blue. Heavy duty wheels with Blickle Besthane® Soft can be used at temperatures from -30°C to +70°C, temporarily up to +90°C. In the event of ambient temperatures under -25°C, the heavy duty wheels become more rigid. The hardness is 75°+5° shore A.

Nylon heavy duty wheels – SPO series

Nylon heavy duty wheels consist of thermoplastic synthetic material. It is impact-resistant, non-marking, non-staining, corrosion-resistant, extremely abrasion-resistant, odourless, tasteless, hygienic and resistant to a wide range of aggressive substances, but not to mineral acids, oxidants, chlorocarbons and heavy-metal saline solutions (see 'Chemical resistance"). In addition, nylon heavy duty wheels have an extremely low rolling resistance. Nylon can absorb and release moisture, resulting in size fluctuations depending on the moisture and temperature of the environment. Natural white. Nylon can be used at temperatures from -40°C to +80°C, with higher temperatures possible temporarily. At ambient temperatures above +35 °C the load capacity is reduced for these heavy duty wheels. For use in high temperatures up to +250°C, a special heat-resistant nylon is used. The hardness of these high duty wheels is 70°±5° shore D/85°±5° shore D with special heat-resistant nylon.
Synthetic wheels

Compressed cast nylon extra heavy duty wheels – GSPO series

Compressed cast nylon heavy duty wheels consist of thermoplastic, reaction-injected synthetic material. These heavy duty wheels are impact-resistant, non-marking, non-staining, corrosion-resistant, extremely abrasion-resistant, odourless, tasteless, hygienic and resistant to a wide range of aggressive substances, but not to mineral acids, oxidants, chlorocarbons and heavy-metal saline solutions (see 'Chemical resistance"). In load capacity, tensile and compressive strength, elasticity, shape retention and moisture absorption, heavy duty wheels made of compressed cast nylon achieve better results than those made of injection-moulded nylon. In addition, they have an extremely low rolling resistance. Natural beige. Compressed cast nylon heavy duty wheels can be used in temperatures from -40°C to +80°C, with higher temperatures possible temporarily. At ambient temperatures above +35 °C the load capacity of these heavy duty wheels is reduced. The hardness is 80°±3° shore D.

Extra heavy duty wheels made of solid steel – SVS series

C45 mild steel particularly suitable for heavy duty wheels, extremely pressure and wear-resistant, extremely high static and dynamic load capacity. The tensile strength and hardness are virtually constant over a broad temperature range; resistant to oil. Extra heavy duty wheels made of steel can be used at temperatures from -100°C to +600°C. The hardness is 190 – 230 HB. The relatively high floor pressure of these heavy duty wheels should be considered for pressure-sensitive floors.
Heavy duty wheels – useful links:

Wheel and castor guide
Product finder
Product range