CASTERS
M02
MEDIUM DUTY CASTER • UP TO 2,000 LB
4” x 4 1/2” TOP PLATE • KINGPINLESS RACEWAY
4”- 8” Wheel Diameter | 2” Wheel Width | Zinc Plated Finish
A favorite for medium duty applications, with American top plate over Kingpinless construction and CNC-machined, large Ball Bearing Raceway - significantly better over traditional Kingpin casters for lateral durability, better maneuverability, & ergonomics. 1/4” inch thick top plate and legs for extra robustness.

M02NY0502S

3/8” Mounting Bolt


Available Materials and Sizing Shown Below
WHEEL DIAMETER | OVERALL HEIGHT | SWIVEL LEAD |
|---|---|---|
4" | 5 5/8" | 1 1/4" |
5" | 6 1/2" | 1 3/8" |
6" | 7 1/2" | 1 9/16" |
8" | 9 1/2" | 2" |
OPTIONS AVAILABLE

Swivel Lock
Demountable – DSL
Weld-On – SL
Foot Operated – FSL

Wheel Brake
Total Lock – TL
Top Lock – TLB
Tech Lock – TB
Face – FB
Cam – CB

High Temperature
HT

Custom Plating
Electroless Nickel
or Zinc Dichromate;
Inquire for More Options

Custom Color
Inquire for
Caster and/or Wheel

Toe Guard
TO
Precision-machined in by Acorn® from ultrasound-tested, domestically made, cast polyamide. Floor-protective even under very high loads. Exceptionally long service life. Best-in-class ergonomics and extremely low rolling resistance under extreme loads. Resistant to chemicals, salts, greases, and acids (inquire for full compatibility list). Excellent for steam cleaning. Ideal for extremely high-load, low-speed applications as a durable alternative to metallic wheels. Non-marking.

Black/MD – NY
Bearing: Precision Ball
Temperature Range: -40ºF to 230ºF
Hardness: 80º Shore D ± 5º
Best-in-class ergonomics, machined out of Ultrasound tested, domestically made Nylon. Filled with MOS2 additive. Non-marking.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02NY0402S | M02NY0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02NY0402S | 4" | 2" | 2,000 |
M02NY0502S | 5" | 2" | 2,000 |
M02NY0602S | 6" | 2" | 2,000 |
M02NY0802S | 8" | 2" | 2,000 |

Natural – NN
Bearing: Precision Ball
Temperature Range: -40ºF to 230ºF
Hardness: 80º Shore D ± 5º
Best-in-class ergonomics, machined out of Ultrasound tested, domestically made Nylon. FDA Approved formulation. Non-marking.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02NN0402S | M02NN0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02NN0402S | 4" | 2" | 2,000 |
M02NN0502S | 5" | 2" | 2,000 |
M02NN0602S | 6" | 2" | 2,000 |
M02NN0802S | 8" | 2" | 2,000 |

High Temp Blue – NB
Bearing: Precision Ball
Temperature Range:–40ºF to 250ºF continuous. (Intermittent up to 350º+)
Hardness: 80º Shore D ± 5º
Best-in-class ergonomics, machined out of Ultrasound tested, domestically made Nylon. Excellent problem solver for continuous dry or moist heat. Non-marking.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02NB0402S | M02NB0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02NB0402S | 4" | 2" | 2,000 |
M02NB0502S | 5" | 2" | 2,000 |
M02NB0602S | 6" | 2" | 2,000 |
M02NB0802S | 8" | 2" | 2,000 |

High Temp SXHA White – NS
Bearing: Precision Ball
Temperature Range:–40ºF to 250ºF continuous. (Intermittent up to 350º+)
Hardness: 80º Shore D ± 5º
Best-in-class ergonomics, machined out of Ultrasound tested, domestically made Nylon. Excellent problem solver for continuous dry or moist heat. Non-marking.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02NS0402S | M02NS0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02NS0402S | 4" | 2" | 2,000 |
M02NS0502S | 5" | 2" | 2,000 |
M02NS0602S | 6" | 2" | 2,000 |
M02NS0802S | 8" | 2" | 2,000 |

Kleaneride Blue – KR
Bearing: Ball
Temperature Range:-40ºF to 180ºF
(250º intermittent up to 30 min.)
Hardness: 60º Shore D +/- 5
Polyester Polyurethane Machined from solid - excellent for steam cleaning and pharmaceutical applications.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02KR0402S | M02KR0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02KR0402S | 4" | 2" | 500 |
M02KR0502S | 5" | 2" | 600 |
M02KR0602S | 6" | 2" | 700 |
M02KR0802S | 8" | 2" | 800 |

Kleaneride Gray – KG
Bearing: Ball
Temperature Range:-40ºF to 180ºF
(250º intermittent up to 5-6 hours.)
Hardness: 60º Shore D +/- 5
Polyester Polyurethane Machined from solid - excellent for steam cleaning and pharmaceutical applications that neccesitate additional heat requirements.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02KG0402S | M02KG0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02KG0402S | 4" | 2" | 500 |
M02KG0502S | 5" | 2" | 600 |
M02KG0602S | 6" | 2" | 700 |
M02KG0802S | 8" | 2" | 800 |

Poly on Aluminum – PA
Bearing: Roller
Temperature Range:-45ºF to 180ºF
Hardness: 95º Shore A +/- 5
Heavy duty polyurethane chemically bonded to a cast aluminum core. Non-marking and excellent longevity.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02PA0402S | M02PA0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02PA0402S | 4" | 2" | 800 |
M02PA0502S | 5" | 2" | 900 |
M02PA0602S | 6" | 2" | 1,200 |
M02PA0802S | 8" | 2" | 1,200 |

Ergo Poly on Aluminum – EP
Bearing: Ball
Temperature Range:-45ºF to 180ºF
Hardness: 95º Shore A +/- 5
Heavy duty polyurethane, chemically bonded to a cast aluminum core, with special ball bearings and donut shaped tread for increased ergonomics.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02EP0402S | M02EP0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02EP0402S | 4" | 2" | 850 |
M02EP0502S | 5" | 2" | 900 |
M02EP0602S | 6" | 2" | 1,000 |
M02EP0802S | 8" | 2" | 1,200 |

Solid Elastomer – SE
Bearing: Ball
Temperature Range:-45ºF to 180ºF
Hardness: 65º Shore D +/- 5
Solid polyurethane bonded to a glass fileld nylon core. Non marking, ergonomic, and high load capacity.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02SE0402S | M02SE0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02SE0402S | 4" | 2" | 1,000 |
M02SE0502S | 5" | 2" | 1,400 |
M02SE0602S | 6" | 2" | 1,700 |
M02SE0802S | 8" | 2" | 2,000 |

Uber Poly – UP
Bearing: Ball
Temperature Range:-45ºF to 180ºF
Hardness: 95º Shore A +/- 5
Heavy duty polyurethane with excellent ergonomics, chemically bonded to a cast iron core.Formulated to resist delamniation in continuous or especially rugged applications.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02UP0602S | M02UP0602R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02UP0602S | 6" | 2" | 2,000 |
M02UP0802S | 8" | 2" | 2,000 |

Dual Action Poly – DW
Bearing: Ball
Temperature Range:-45ºF to 180ºF
Hardness: 95º Shore A*
*ADD SUFFIX FOR COLOR/DUROMETER BELOW, e.g. M01DW0402S65A:
(65A) Black/65º Shore A, (65D) Gray/65º Shore D, (85A) Red/85º Shore A
Dual articulating polyurethane on steel wheels with oversized ball bearings for increased ergonomics. Non-marking. Lower durometers will decrease load capacity - please consult Acorn.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02DW0402S | M02DW0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02DW0402S | 4" | 2" | 950 |
M02DW0502S | 5" | 2" | 1,150 |
M02DW0602S | 6" | 2" | 1,400 |
M02DW0802S | 8" | 2" | 1,600 |

Molded Nylon – MN
Bearing: Roller
Temperature Range:-40ºF to 250ºF
Hardness: 85º Shore D +/- 5
Solid molded nylon 6/6. Non-marking, good for food and pharma applications that do not require significant load capacity.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02MN0402S | M02MN0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02MN0402S | 4" | 2" | 800 |
M02MN0502S | 5" | 2" | 900 |
M02MN0602S | 6" | 2" | 1,200 |
M02MN0802S | 8" | 2" | 1,300 |

Polyolefin (White) – PO
Bearing: Roller
Temperature Range:-20ºF to 180ºF
Hardness: 85º Shore D +/- 5
Molded thermoplastic blend of polypropylene with PE and impact modifiers. Excellent chemical and moisture resistance. Non-marking.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02P00402S | M02PO0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02PO0402S | 4" | 2" | 500 |
M02PO0502S | 5" | 2" | 650 |
M02PO0602S | 6" | 2" | 700 |
M02PO0802S | 8" | 2" | 900 |

Polyolefin (Black) – PB
Bearing: Roller
Temperature Range:-20ºF to 180ºF
Hardness: 85º Shore D +/- 5
Molded thermoplastic blend of polypropylene with PE and impact modifiers. Excellent chemical and moisture resistance. Non-marking.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02PB0402S | M02PB0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02PB0402S | 4" | 2" | 500 |
M02PB0502S | 5" | 2" | 650 |
M02PB0602S | 6" | 2" | 700 |
M02PB0802S | 8" | 2" | 900 |

Rubber on Iron – RI
Bearing: Roller
Temperature Range:-45ºF to 180ºF
Hardness:75º Shore A +/- 5
Rubber tread that is vulcalized on a cast iron core. Good for towed applications or applications where your load requires extra cushioning.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02RI0402S | M02RI0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02RI0402S | 4" | 2" | 400 |
M02RI0502S | 5" | 2" | 400 |
M02RI0602S | 6" | 2" | 800 |
M02RI0802S | 8" | 2" | 850 |

Phenolic – PH
Bearing: Roller
Temperature Range:-65ºF to 250ºF cont, int. up to 300ºF
Hardness: Rockwell 102 E
Pressure molded from denim and canvas with phenolic resin additive. Non-marking and good load carrying capactiy. Cost-effective option for medium and heavy duty applications.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02PH0402S | M02PH0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02PH0402S | 4" | 2" | 800 |
M02PH0502S | 5" | 2" | 1,000 |
M02PH0602S | 6" | 2" | 1,200 |
M02PH0802S | 8" | 2" | 1,400 |

High Temp Phenolic – HT
Bearing: Roller
Temperature Range: -65ºF to 475ºF (intermittent up to 525ºF)
Hardness: Rockwell 102 E
High temp formulation of the classic - excels in dry heat applications only.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02HT0402S | M02HT0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02HT0402S | 4" | 2" | 800 |
M02HT0502S | 5" | 2" | 1,000 |
M02HT0602S | 6" | 2" | 1,200 |
M02HT0802S | 8" | 2" | 1,400 |

HeatEater – HE
Bearing: Roller
Temperature Range:-40ºF to 425ºF Continuous,475ºF to 550ºF Intermittent
Hardness:85º Shore D ± 5º
Proprietary blend of glasses and polymers, engineered for moist heat / steam cleaning. Non-marking.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02HE0402S | M02HE0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02HE0402S | 4" | 2" | 800 |
M02HE0502S | 5" | 2" | 1,000 |
M02HE0602S | 6" | 2" | 1,000 |
M02HE0802S | 8" | 2" | 1,100 |

Glass Filled Nylon – GF
Bearing: Roller
Temperature Range:-45ºF to 250ºF
Hardness:85º Shore D ± 5º
Nylon / polymer blend with fiberglass additives for added impact resistance. Non-marking.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02GF0402 | M02GF0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02GF0402S | 4" | 2" | 900 |
M02GF0502S | 5" | 2" | 1,000 |
M02GF0602S | 6" | 2" | 1,200 |
M02GF0802S | 8" | 2" | 1,400 |

Cast Iron – CI
Bearing: Roller
Temperature Range:-45ºF to 800ºF (High Temp Avail.)
Hardness: Brinell 145
Ductile cast iron construction with thick walls, high tensile strength of 45,000 PSI.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02CI0402S | M02CI0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02CI0402S | 4" | 2" | 1,500 |
M02CI0502S | 5" | 2" | 1,500 |
M02CI0602S | 6" | 2" | 2,000 |
M02CI0802S | 8" | 2" | 2,000 |

Cast Iron V-Groove – VG
Bearing: Roller
Temperature Range:-45ºF to 800ºF (High Temp Avail.)
Hardness: Brinell 145
Ductile cast iron construction with thick walls, high tensile strength of 45,000 PSI. Standard 90º machined v-groove.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. M02VG0402S | M02VG0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
M02VG0402S | 4" | 2" | 1,500 |
M02VG0502S | 5" | 2" | 1,500 |
M02VG0602S | 6" | 2" | 1,500 |
