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CASTERS

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MS1

MEDIUM DUTY STAINLESS CASTER • UP TO 1,250 LB
4” x 4 1/2” TOP PLATE • STANDARD KINGPIN

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. 

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MS1NN0402S

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3/8” Mounting Bolt

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Available Materials and Sizing Shown Below

WHEEL DIAMETER
OVERALL HEIGHT
SWIVEL LEAD
4"
5 5/8"
1 3/16"
5"
6 1/2"
1 1/2"
6"
7 1/2"
1 9/16"
8"
9 1/2"
2"

OPTIONS AVAILABLE

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Swivel Lock

Demountable – DSL
Weld-On – SL

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Wheel Brake

Total Lock – TL
Top Lock – TLB
Tech Lock – TB

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High Temperature

HT

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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. 

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Black/MD  –  NY

Bearing: 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. MS1NY0402S | MS1NY0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1NY0402S
4"
2"
1,250
MS1NY0502S
5"
2"
1,250
MS1NY0602S
6"
2"
1,250
MS1NY0802S
8"
2"
1,250

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Natural  –  NN

Bearing: 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. MS1NN0402S | MS1NN0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1NN0402S
4"
2"
1,250
MS1NN0502S
5"
2"
1,250
MS1NN0602S
6"
2"
1,250
MS1NN0802S
8"
2"
1,250

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High Temp Blue  –  NB

Bearing: 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. MS1NB0402S | MS1NB0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1NB0402S
4"
2"
1,250
MS1NB0502S
5"
2"
1,250
MS1NB0602S
6"
2"
1,250
MS1NB0802S
8"
2"
1,250

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High Temp SXHA White  –  NS

Bearing: 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. MS1NS0402S | MS1NS0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1NS0402S
4"
2"
1,250
MS1NS0502S
5"
2"
1,250
MS1NS0602S
6"
2"
1,250
MS1NS0802S
8"
2"
1,250

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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. 

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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. MS1KR0402S | MS1KR0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1KR0402S
4"
2"
500
MS1KR0502S
5"
2"
600
MS1KR0602S
6"
2"
700
MS1KR0802S
8"
2"
800

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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. MS1KG0402S | MS1KG0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1KG0402S
4"
2"
500
MS1KG0502S
5"
2"
600
MS1KG0602S
6"
2"
700
MS1KG0802S
8"
2"
800

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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. MS1PA0402S | MS1PA0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1PA0402S
4"
2"
800
MS1PA0502S
5"
2"
900
MS1PA0602S
6"
2"
1,200
MS1PA0802S
8"
2"
1,200

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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. MS1EP0402S | MS1EP0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1EP0402S
4"
2"
850
MS1EP0502S
5"
2"
900
MS1EP0602S
6"
2"
1,000
MS1EP0802S
8"
2"
1,200

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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. MS1SE0402S | MS1SE0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1SE0402S
4"
2"
1,000
MS1SE0502S
5"
2"
1,250
MS1SE0602S
6"
2"
1,250
MS1SE0802S
8"
2"
1,250

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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. MS1MN0402S | MS1MN0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1MN0402S
4"
2"
800
MS1MN0502S
5"
2"
900
MS1MN0602S
6"
2"
1,200
MS1MN0802S
8"
2"
1,250

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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. MS1PO0402S | MS1PO0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1PO0402S
4"
2"
500
MS1PO0502S
5"
2"
650
MS1PO0602S
6"
2"
700
MS1PO0802S
8"
2"
900

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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. MS1PB0402S | MS1PB0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1PB0402S
4"
2"
500
MS1PB0502S
5"
2"
650
MS1PB0602S
6"
2"
700
MS1PB0802S
8"
2"
900

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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 capactiy. Cost-effective option for medium and heavy duty applications.

NOTE: ADD SUFFIX FOR SWIVEL (S) OR RIGID (R) e.g. MS1PH0402S | MS1PH0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1PH0402S
4"
2"
800
MS1PH0502S
5"
2"
1,000
MS1PH0602S
6"
2"
1,200
MS1PH0802S
8"
2"
1,250

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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. MS1HT0402S | MS1HT0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1HT0402S
4"
2"
800
MS1HT0502S
5"
2"
1,000
MS1HT0602S
6"
2"
1,200
MS1HT0802S
8"
2"
1,250

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HeatEater  –  HE

Bearing: Roller

Temperature Range: -40ºF to 425ºF, Intermittent 475ºF to 550ºF 

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. MS1HE0402S | MS1HE0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1HE0402S
4"
2"
800
MS1HE0502S
5"
2"
1,000
MS1HE0602S
6"
2"
1,000
MS1HE0802S
8"
2"
1,100

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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. MS1GF0402S | MS1GF0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1GF0402S
4"
2"
900
MS1GF0502S
5"
2"
1,000
MS1GF0602S
6"
2"
1,200
MS1GF0802S
8"
2"
1,250

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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. MS1SS0402S | MS1SS0402R

CASTER PART #
WHEEL DIAMETER
TREAD WIDTH
CAPACITY (LB)
MS1SS0402S
4"
2"
1,250
MS1SS0502S
5"
2"
1,250
MS1SS0602S
6"
2"
1,250
MS1SS0802S
8"
2"
1,250

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