Wednesday, August 13, 2014

Let's talk about the most commonly used Industrial Casters: Medium-Duty Casters and Wheels

Medium
-Duty Industrial Casters and Wheels Part 2
Hi, Phil Strouth with P Strouth LLC.  I represent Carolina Material Handling in Greensboro, NC.  I have over 17 years of experience dealing with caster and wheel applications of all sorts.  I will do a four or five part series detailing the different type of caster applications in order to help solve problems you may be having in your operation.

Today we are talking about the second part of the casters series.  This blog focuses on the medium-duty industrial casters and wheels.
These casters and wheels are used in industrial material handling applications and oem equipment. 
Most standard specs are plate casters with 4" x 4.5"; 5" x 5.5"; and 4.5" x 6.25" top plates.  These range between 400# capacity to 1,250# capacity in this series.
Zinc plate is the standard in this series and most are NSF listed.  The zinc plate finish allows for corrosion resistant but not corrosion proof.
The medium-duty swivel casters feature double ball raceways for added capacity and durability with a zerk fitting in the swivel raceway for ease of maintenance.  The swivel casters rotate on a 5/8" center kingpin bolt and nut assembly.
The swivel and rigid light-duty casters go together with a 1/2” axle and lock nut.  The axle has a hollow shaft with a zerk fitting on the end of the axle to allow grease to be deployed directly to the bearings in the wheel.  Most common style of wheel bearings for the casters are straight roller bearings, caged roller bearings, precision sealed ball bearings, delrin bearings, and oilex bearings (oil impregnated steel bearings).
Over 40 types of wheels are available for this series.  Most common wheel in this series include:  phenolic wheels with straight roller bearings for general heavy-duty use, thermoplastic rubber elastomer wheels with precision ball bearings for quite, non marking performance, polyurethane on polyolefin wheel with sealed ball bearings or straight roller bearings for floor protection and smooth ride, ductile steel crowned tread wheels with straight roller bearings for heavy-duty hardcore & high capacity applications, and solid elastomer polyurethane crowned tread wheels with precision sealed ball bearings for ergonomic, high capacity, chemical resistant and easy rolling applications.    
Wheel sizes range from 3.25” diameter to 8” diameter.  All wheels for the most part are 2” wide tread width.  Offering 400# capacity up to 1,250# capacities depending on the wheel material and wheel size.
Top lock brakes are the most common braking mechanism but are also available as a total lock brake, locking the wheel and the swivel action at the same time.  The swivel casters also take a bolt on 4 position swivel lock that can be field mounted and allows the swivel caster to be locked to a rigid position at every 90 degree increment.
Shipping locations for this series caster is available from Greensboro, North Carolina, Ohio, Michigan, Georgia, Texas, California, and Washington.
Check out for more information at www.pstrouth.com and www.heavy-dutycaster.com

Or email with requests or more information at phil@pstrouth.com or phil@heavy-dutycaster.com



3 comments:

  1. Ok, that was useful. I am so glad you posted this… adding casters is such a great way to add impact and interest to a piece… Love it!

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  2. It seems these casters are found in all industrial and commercial settings, like warehouses, factories etc. And industry that requires larger carts and heavier loads.

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