Category 07 - Heavy Duty
Acorn™ is known as the Caster and Wheel Experts for U.S. and EURO standards. We design the best casters and wheels to meet every load requirement and application from Categories 1-10.

Acorn™ Category 07 PDF
Click here to download Acorn's Category 07 PDF

Click on the links below to quickly scroll down the page:
Acorn™ Series Casters
7A (Albion) Series Casters
7D (Darnell) Series Casters
7M (Muvtons) Series Casters
7R (RWM) Series Casters

Acorn Series Casters
7-90 Series Kingpin / Hot Forged Caster
Shown with
Nylacron™ Wheel
7-90 Acorn™ Series
Kingpin / Hot Forged

Load Capacity Up to 3500 lbs.
Top Plate: S.A.E. 1045 drop-forged steel. Forged top plate skirt affords labyrinth type seal for load raceway.
Yoke Base: S.A.E. 1045 drop-forged steel. Large outside diameter yoke base is used when the hub length of wheel is 4-1/2" or greater or when swivel lock option is used.
Hub Length: 3 1/2”
Swivel Load Bearing: 4" diameter, deep grooved ball load raceway with 1/2" steel balls. The thrust bearing is 2-5/8" diameter using 3/8" diameter steel balls.
Legs: 3/8" steel plate, welded inside and out to the yoke base and 3/8" thick rigid top. Hub length 3-1/2”.
King Bolt: 1" diameter, heat-treated bolt and nut.
Axle: Casters marked ~ have 1" solid axle. All other have 3/4" hollow axles. Lock nuts are standard on both sizes.
Wheel Bearing: 3-1/4" hub length wheels have 1" straight roller or 3/4" tapered roller bearing. 4-1/4" hub length wheels have 1-1/4" straight roller bearing. Exception: Casters 90-CA-T-3240-S and 90-PA-R*-04440-S have 3/4" tapered roller bearing. Straight roller bearings have hardened thrust washers between wheel hub and inside of fork legs.
Lubrication: Zerk fitting in swivel section and also recessed head of hollow axle.
Finish: All parts except wheel are Zinc plated. Metal wheel parts have air-dried aluminum or black enamel finish.
Download 7-90 Acorn™ Series PDF

Back to Top

7-90KHD Series Kingpinless HD / Adjustable Total Lock Caster
Shown with
Nylacron™ Wheel
7-90K Acorn™ Kingpinless Series
Heavy Duty / Adjustable Total Lock

Load Capacity Up to 5000 lbs.
• Single piece forged alloy steel top plate and fork base
• Precision, double-ball raceways, CNC machined
• Induction hardening of raceway ensures uniform depth of hardness
• Totally sealed swivel head
• 3/8" x 3" wide fork legs robotically welded inside and outside to 3-1/2" fork spacing
• Finish: Bright zinc plated or polymer (any color)
• This Series is available in Duel Wheel (DW)
• Top Plate Size: 90
Download 7-90K Acorn™ Series PDF

Back to Top

Selection of Albion Casters
Albion  Shockmaster 400 Series 7A-400 Albion Series
Shockmaster™ Kingpinless Caster

Load Capacity Up to 5500 lbs.
Top Plate: 3/8" thick AISI 1045 steel one-piece forging precision machined and through-hardened for long life
Swivel Section: 1/2" ball bearings mounted in a 3" precision machined raceway. Zerk in swivel section.
Legs: 3/8" thick steel welded to yoke base using 100,000 psi weld filler, welded inside and out for added strength
Axle: 3/4” diameter
• Alternate or custom caster configurations available
Download 7A-400 Albion Series PDF
Download Albion Parts & Accessories Catalog

Back to Top

Albion Shockmaster Series Caster 7A-410 Albion Series
Contender™ Kingpinless Caster

Load Capacity Up to 5500 lbs.
Top Plate: 3/8" thick AISI 1045 steel one-piece forging precision machined and through-hardened for long life
Swivel Section: 1/2" ball bearings mounted in a 3" precision machined raceway. Zerk in swivel section.
Legs: 3/8" thick steel welded to yoke base using 100,000 psi weld filler, welded inside and out for added strength
Axle: 3/4” diameter
• Alternate or custom caster configurations available
Download 7A-410 Albion Series PDF
Download Albion Parts & Accessories Catalog

Back to Top

Albion Contender Albion Shockmaster Series Casters

Albion Contender™ and Shockmaster™ Series
Contender™: S310, S410 and S610
Shockmaster™: S300, S400, S600 and S700
RIGS ONLY – 
For the right wheels for each application, contact Acorn™.
S hockmaster and Contender kingpinless, spring loaded casters offer greater capacity and protection from damaging shock or unwanted vibration and movement. Noise levels are reduced through the dampening effect of these casters.
Load Springs: Different load springs for each series permits wide variation in ride “softness.”
Complete Line: Available on all 300 series to 700 series Shockmaster and Contender Kingpinless models. See Shockmaster and Contender section of catalog for more information.
Swivel Section: Kingpinless design. Ball bearing mounted in a machined raceway.
Axle: 3/4" diameter standard. Optional 1" diameter available.
• Alternate or custom caster configurations available
Typical Applications:
• Aviation Ground Support
• Aircraft tripod jacks
• Portable medical equipment
• Computer equipment
• Shock sensitive loads
Download Albion Contender™ and Shockmaster™ Series PDF
Download Albion Parts & Accessories Catalog

Back to Top

Selection of Darnell Casters

Darnell Series R650 Caster 7D-R650 Darnell Series
Heavy Duty Forged Steel Caster

Load Capacity Up to 3300 lbs.
Integrally Forged Kingpin: Solid 1" king pin is integrally forged with upper raceway using SAE-1050 quality grade steel. Used with a slotted nut to allow for proper bearing adjustment whenever necessary. Designed to be virtually indestructible!
Hot Forged Steel Construction: Top plate, yoke base and bearing retainer are hot forged using SAE-1050 hardening quality steel. Raceways are precision machined for 1/2" hardened chrome steel load bearings and tapered thrust bearing.
Flame Hardened Swivel Raceway: All bearing raceways are flame hardened to extend service life, reduce brinelling from shock loads, and to generally improve swivel performance.
Embossed and Welded Fork Legs: Side forks are embossed and continuously welded on both sides for added strength.
Locked Wheel Axle: Steel axle bolt is locked in position with indexing lance in side fork to prevent unwanted movement.
Download 7D-R650 Albion Series PDF

Back to Top

Darnell Caster Series R500 7D-R500 Darnell Series
Heavy Duty Forged Steel Caster

Load Capacity Up to 3400 lbs.
Integrally Forged Kingpin: King pin is integrally forged with upper raceway using SAE-1050 quality grade steel. Used with a slotted nut to allow for proper bearing adjustment whenever necessary. Designed to be virtually indestructible!
Hot Forged Steel Construction: Top plate, yoke base and bearing retainer are hot forged using SAE-1050 hardening quality steel. Raceways are precision machined for 3/8" hardened chrome steel load bearings and tapered thrust bearing.
Embossed and Welded Fork Legs: Extra-wide side forks made of 3/8" thick steel plate are heavily embossed and continuously welded for added strength.
Assorted Wheel Sizes and Dimensions: Large selection of wheel types and sizes, plus multiple overall heights, provides the most choices based on load capacity and floor conditions.
Locked Wheel Axle: Wheel axle is locked in position with indexing lance in side fork to prevent unwanted movement.
Download 7D-R500 Albion Series PDF

Back to Top

Darnell Caster Series R100 7D-R100 Darnell Series
Heavy Duty Forged Steel Caster

Load Capacity Up to 3500 lbs.
Integrally Forged Kingpin: King pin is integrally forged with upper raceway using SAE-1050 quality grade steel. Used with a slotted nut to allow for proper bearing adjustment whenever necessary. Designed to be virtually indestructible!
Hot Forged Steel Construction: Top plate, yoke base and bearing retainer are hot forged using SAE-1050 hardening quality steel. Raceways are precision machined for 3/8" hardened chrome steel load bearings and tapered thrust bearing.
Flame Hardened Swivel Raceway: All bearing raceways are flame hardened to extend service life, reduce brinelling from shock loads, and to generally improve swivel performance.
Embossed and Welded Fork Legs: Extra-wide side forks are heavily embossed and continuously welded on for added strength.
Locked Wheel Axle: Wheel axle is locked in position with indexing lance in side fork to prevent unwanted movement.
Download 7D-R100 Albion Series PDF

Back to Top

Darnell Heavy Duty Dual Wheel Series Casters

7D-R100-DW Darnell Series
Heavy Duty / Dual Wheel Caster

Load Capacity 820 to 9600 lbs.
Integrally Forged Kingpin: Solid king pin is integrally forged with upper raceway using SAE-1050 quality grade steel. Used with a slotted nut to allow for proper bearing adjustment whenever necessary. Designed to be virtually indestructible!
Hot Forged Steel Construction: Top plate, yoke base and bearing retainer are hot forged using SAE-1050 hardening quality steel. Raceways are precision machined for 5/8" hardened chrome steel load bearings and tapered thrust bearing.
Flame Hardened Swivel Raceway: All bearing raceways are flame hardened to extend service life, reduce brinelling from shock loads, and to generally improve swivel performance.
Download 7D-R100-DW Darnell Series PDF

Back to Top

 

 

Selection of Muvtons Casters

Muvtons Caster GAD Series 7M-GAD Muvtons Series
Kingpinless Caster with Total Lock

Load Capacity Up to 5000 lbs.
• Single piece Drop Forged AISI 1045 Steel Top Plate and Fork Base
• Precision CNC Machined Raceways- 3-1/2" dia with 1/2" dia ball bearings
• Induction Hardening of Raceways ensures uniform depth of hardness
• Totally Sealed Swivel Head with Grease Nipple
• 3/8" thick x 3" wide fork legs robotically welded Inside and Outside to 3-1/2" fork spacing
• 3/4" Wheel axle
• 4 Position Directional Lock Slots
• Finish : Bright Zinc Plated
7M-GAD Muvtons Series PDF
Muvtons Improved Total Lock

Product Development: Improved Total Lock
• Improved positive locking of the swivel and wheel movement
• Anty-skid brake pedal prevent injury to the operator's foot
• Elastomer coated brake pad protects the wheel surface while braking

Back to Top

Selection of RWM Casters
RWM 76 Series Industrial Caster 7R-76 RWM Series
Kingpinless / Heavy Duty Industrial Caster

Load Capacity Up to 7000 lbs.
Available with a wide variety of wheels in 3" width. Excellent option for towing operation in automotive assembly plants, tire manufacturing and heavy duty industrial applications demanding a superior product. Made in U.S.A.
Raceway Design: Patented Kingpinless™ single ball bearing precision machined raceway hardened to 53 Rockwell C minimum. Swivel section features 3" diameter raceway with 1/2" ball bearings. The notched raceway is standard.
Leg Thickness: 3/8"
Axle: 3/4" bolt with lock or slotted nut as required
Finish: Laguna Blue paint
Wheels: Wheels are available with either a 1" roller bearing which rotates on a hardened and ground spanner bushing or 3/4" tapered bearings that rotate on the axle. All wheels are equipped with a lubrication fitting.
Mounting Plate Size: 5-1/4" x 7-1/4" x 3/8"
Bolt Hole Spacing: 3-3/8" x 5-1/4", slotted to 4-1/8" x 6-1/8"
Mounting Bolt Diameter: 1/2"
Download 7R-76 RWM Series PDF

Back to Top

RWM Series 2-76 DUal Wheel Caster 7R-2-76 RWM Series
Kingpinless / Dual Wheel

Load Capacity Up to 7000 lbs.
Raceway Design: Patented Kingpinless™ single ball bearing precision machined raceway hardened to 53 Rockwell C minimum. Swivel section features a 3” diameter raceway with 1/2” ball bearings. Notched yoke is standard.
Axle: 3/4” bolt with locking or slotted nut as required
Finish: Laguna Blue paint
Wheels: Wheels are available with either 1” roller bearings which rotate on hardened and ground spanner bushings or 3/4” tapered bearings that rotate on the axle. All wheels are equipped with a lubrication fitting.
Mounting Plate Size: 5-1/4” x 7-1/4” x 3/8”
Bolt Hole Spacing: 3-3/8” x 5-1/4”, slotted to 4-1/8” x 6-1/8”
Mounting Bolt Diameter: 1/2”
Leg Thickness: 3/8”D
Download 7R-2-76 RWM Series PDF

Back to Top

 

U.S. Caster Industry
Categories 1-10


Category 01
Light Duty

Category 02

Light Duty

Category 03
Medium Duty

Category 04
Medium Duty

Category 05
Heavy Duty

Category 06
Heavy Duty

Category 07
Heavy Duty

Category 08
Extra Heavy Duty

Category 09
Extra Heavy Duty

Category 10
Extra Heavy Duty


Return to Home Page



Acorn Industrial Products Co  |  520 Hertzog Boulevard  |  King of Prussia, PA 19406
Phone 800-523-5474  |  Fax 800-782-6780  |  E-Mail acorn@acornindprod.com