CASTERS
MS2
MEDIUM DUTY STAINLESS CASTER • UP TO 1,250 LB
4” x 4 1/2” TOP PLATE • KINGPINLESS RACEWAY
4”- 8” Wheel Diameter | 2” Wheel Width | Electrolytically Buffed Finish
The 2” wide, stainless steel workhorse. This is the most common 2” wide stainless steel caster we offer. It’s electrolytically polished for an attractive finish and made with 304 stainless steel. NSF listed & RoHS (Restriction of Hazardous Substances) compliant, depending on wheel.

MS2NB0802S

3/8” Mounting Bolt


Available Materials and Sizing Shown Below
WHEEL DIAMETER | OVERALL HEIGHT | SWIVEL LEAD |
|---|---|---|
4" | 5 5/8" | 1 1/8" |
5" | 6 1/2" | 1 3/8" |
6" | 7 1/2" | 1 1/2" |
8" | 9 1/2" | 1 15/16" |
OPTIONS AVAILABLE

Swivel Lock
Demountable – DSL
Weld-On – SL

Wheel Brake
Top Lock– TLB

High Temperature
HT

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
Filled with Molybdenum Disulfide Lubricant for better rolling.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. MS2NY0402S | MS2NY0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2NY0402S | 4" | 2" | 1,250 |
MS2NY0502S | 5" | 2" | 1,250 |
MS2NY0602S | 6" | 2" | 1,250 |
MS2NY0802S | 8" | 2" | 1,250 |

Natural – NN
Bearing: Precision Ball
Temperature Range: -40ºF to 230ºF
Hardness: 80º Shore D ± 5º
FDA Approved Formulation.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. MS2NN0402S | MS2NN0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2NN0402S | 4" | 2" | 1,250 |
MS2NN0502S | 5" | 2" | 1,250 |
MS2NN0602S | 6" | 2" | 1,250 |
MS2NN0802S | 8" | 2" | 1,250 |

High Temp Blue – NB
Bearing: Precision Ball
Temperature Range:–40ºF to 250ºF continuous. (Intermittent up to 350º+)
Hardness: 80º Shore D ± 5º
Excellent problem solver for continuous dry or moist heat.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. MS2NB0402S | MS2NB0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2NB0402S | 4" | 2" | 1,250 |
MS2NB0502S | 5" | 2" | 1,250 |
MS2NB0602S | 6" | 2" | 1,250 |
MS2NB0802S | 8" | 2" | 1,250 |

High Temp SXHA White – NS
Bearing: Precision Ball
Temperature Range:–40ºF to 250ºF continuous. (Intermittent up to 350º+)
Hardness: 80º Shore D ± 5º
Excellent problem solver for continuous dry or moist heat.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. MS2NS0402S | MS2NS0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2NS0402S | 4" | 2" | 1,250 |
MS2NS0502S | 5" | 2" | 1,250 |
MS2NS0602S | 6" | 2" | 1,250 |
MS2NS0802S | 8" | 2" | 1,250 |
Material Handling Leader in Food, Pharma, and Healthcare • Prevents contamination in wash-down environments where
food, dirt, and/or other particles can create unsanitary and unsatisfactory conditions – and steam cleaning and cleanliness
is a must. Meets FDA requirements and stands up to refrigeration and steam cleaning.

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. MS2KR0402S | MS2KR0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2KR0402S | 4" | 2" | 500 |
MS2KR0502S | 5" | 2" | 600 |
MS2KR0602S | 6" | 2" | 700 |
MS2KR0802S | 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. MS2KG0402S | MS2KG0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2KG0402S | 4" | 2" | 500 |
MS2KG0502S | 5" | 2" | 600 |
MS2KG0602S | 6" | 2" | 700 |
MS2KG0802S | 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. MS2PA0402S | MS2PA0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2PA0402S | 4" | 2" | 800 |
MS2PA0502S | 5" | 2" | 900 |
MS2PA0602S | 6" | 2" | 1,200 |
MS2PA0802S | 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. MS2EP0402S | MS2EP0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2EP0402S | 4" | 2" | 850 |
MS2EP0502S | 5" | 2" | 900 |
MS2EP0602S | 6" | 2" | 1,000 |
MS2EP0802S | 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. MS2SE0402S | MS2SE0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2SE0402S | 4" | 2" | 1,000 |
MS2SE0502S | 5" | 2" | 1,250 |
MS2SE0602S | 6" | 2" | 1,250 |
MS2SE0802S | 8" | 2" | 1,250 |

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. MS2MN0402S | MS2MN0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2MN0402S | 4" | 2" | 800 |
MS2MN0502S | 5" | 2" | 900 |
MS2MN0602S | 6" | 2" | 1,200 |
MS2MN0802S | 8" | 2" | 1,250 |

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. MS2PO0402S | MS2PO0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2PO0402S | 4" | 2" | 500 |
MS2PO0502S | 5" | 2" | 650 |
MS2PO0602S | 6" | 2" | 700 |
MS2PO0802S | 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. MS2PB0402S | MS2PB0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2PB0402S | 4" | 2" | 500 |
MS2PB0502S | 5" | 2" | 650 |
MS2PB0602S | 6" | 2" | 700 |
MS2PB0802S | 8" | 2" | 900 |

Phenolic – PH
Bearing: Roller
Temperature Range: -65ºF to 250ºF (intermittent up to 300ºF)
Hardness: Rockwell 102 E
Pressure molded from denim and canvas with phenolic resin additive. Non-marking and good load carrying capacity. Cost-effective option for medium and heavy duty applications.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. MS2PH0402S | MS2PH0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2PH0402S | 4" | 2" | 800 |
MS2PH0502S | 5" | 2" | 1.000 |
MS2PH0602S | 6" | 2" | 1.200 |
MS2PH0802S | 8" | 2" | 1.250 |

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. MS2HT0402S | MS2HT0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2HT0402S | 4" | 2" | 800 |
MS2HT0502S | 5" | 2" | 1,000 |
MS2HT0602S | 6" | 2" | 1,200 |
MS2HT0802S | 8" | 2" | 1,250 |

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. MS2HE0402S | MS2HE0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2HE0402S | 4" | 2" | 800 |
MS2HE0502S | 5" | 2" | 1,000 |
MS2HE0602S | 6" | 2" | 1,000 |
MS2HE0802S | 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. MS2GF0402S | MS2GF0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2GF0402S | 4" | 2" | 900 |
MS2GF0502S | 5" | 2" | 1,000 |
MS2GF0602S | 6" | 2" | 1,200 |
MS2GF0802S | 8" | 2" | 1,250 |

Stainless Steel – SS
Bearing: Ball
Temperature Range:-45ºF to 1200ºF (High Temp Avail.)
Hardness: Varies, Consult Acorn
Wheels machined from solid 303/304 stainless steel bar.
NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. MS2SS0402S | MS2SS0402R
CASTER PART # | WHEEL DIAMETER | TREAD WIDTH | CAPACITY (LB) |
|---|---|---|---|
MS2SS0402S | 4" | 2" | 1,250 |
MS2SS0502S | 5" | 2" | 1,250 |
MS2SS0602S | 6" | 2" | 1,250 |
MS2SS0802S | 8" | 2" | 1,250 |
