GENERAL CASTERS - TECHNICAL INFORMATION
Stem Availability

STYLE	FOR USE ON	DIMENSIONS		STANDARD	MERCURY	FUTURA	TWINSTAR	DUET	SUPERBALL	3" WHEEL
		Diameter	Length
E Stem	Tubular Metal Furniture	7/16"	1-7/8"
D Stem	Metal Base Office Chairs, Equipment & Furniture	7/16"	1-3/4"
C Stem		7/16"	1-3/8"
A Stem		7/16"	1"			Use B Stem
B Stem		7/16"	7/8"
G Stem		3/8"	1-9/16"			If Your Stem is "G", Use "L" or "K" Stem
L Stem		3/8"	1-1/8"			Use K Stem
K Stem		3/8"	1"
M Stem	Imported Metal Base Office Chairs & Equipment	10 mm	7/8"
W Stem	Wood Furniture	5/16"	1-1/2"
J Plate	Wood or Metal Furniture	1-3/16" x 2"
		1-1/2" x 1 1/2"
S Stem	Metal Base Office Chairs, Equipment & Furniture	5/16"	3/4"
		x 18 threads/ in
T Stem		3/8"	3/4"
		x 16 threads/ in
Q Stem		3/8"	9/16"
		x 24 threads/ in
U Stem		5/16"	1-1/4"
		x 18 threads/ in
Y Stem		3/8"	1-1/2"
		x 16 threads/ in
Z Stem		1/4"	1"
		x 20 threads/ in
X Stem	Worn-Hole Wood Chairs	3/8"	1-1/4"			Order X Socket with "W" Stem				N/A

Finishes

CODE

FINISH

(S) Standard Finish

STANDARD

MERCURY

FUTURA

TWINSTAR

DUET

SUPERBALL

3" WHEEL

(SO) Special Order

ZN

ZINC

(S)

BN

BRIGHT NICKEL

(SO)

(S)

BC

BRIGHT CHROME

(SO)

(SO)

(S)

(S)

SC

SATIN CHROME

(SO)

AC

ANTIQUE COPPER

(S)

(S)

(S)

EAB

ENGLISH ANTIQUE BRASS

(SO)

(S)

(S)

BB

BRIGHT BRASS

(SO)

(SO)

(S)

MB

MATTE BLACK

(S)

(S)

(S)

(S)

BO

BLACK OXIDE

(SO)

(S)

Technical Specifications

STANDARD

MERCURY

FUTURA

TWINSTAR

DUET

SUPERBALL

3" WHEEL

STYLE NUMBER

D472

D472-1/2

FW236

TW23

PW20

SB20

702XX

WHEEL DIAMETER

2"

2-1/2"

2-3/16"

2-3/8"

2"

2"

3"

AXLE HOLE

1/4"

1/4"

-

-

-

5/16"

-

WHEEL TYPE

HARD

Rubber

Polyolefin

Nylon

Nylon

Nylon

Dual Purpose

Nylon

Special

SOFT

Rubber

Rubber

Nylon Bonded With Urethane

Nylon Bonded With Urethane

Nylon Bonded With Urethane

Compound 90

Nylon Bonded With Urethane

Durometer Vinyl

LOAD HEIGHT

J PLATE

2.625"

3.034"

-

3.038"

2.556"

2.629"

-

OTHERS

2.500"

3.023"

2.500"

2.800"

2.445"

2.518"

3.1562"

TREAD WIDTH

.825"

.640"

-

-

-

-

-

WEIGHT RATINGS

PER CASTER

75 lbs

75 lbs

100 lbs

100 lbs

75 lbs

75 lbs

165 lbs

For Use on:

FLOOR SURFACE

WHEEL TREAD

STANDARD

MERCURY

FUTURA

TWINSTAR

DUET

SUPERBALL

3" WHEEL

(H) HARD

(S) SOFT

(H)

(S)

(H)

(S)

(H)

(S)

(H)

(S)

(H)

(S)

(S)

(H)

(S)

Chairmats  All grades and materials

Linoleum and  Vinyl Tile

Wood and Parquet Flooring

All other HARD Floor Surfaces

Carpeting: Low Pile (no padding)

Carpeting: Medium Pile (no padding)

Carpeting: High Pile (with or without padding)

Use Chairmats and Soft Wheel Style Casters as Indicated

Padded Carpeting (all pile heights)

Use Chairmats and Soft Wheel Style Casters as Indicated

Concrete (small moving area)

Use Chairmats and Soft Wheel Style Casters as Indicated

Concrete (large moving area)

Average Wheel Life - 6 months

24 Hour Caster Use (police, fire, hospital, etc.)

Average Wheel Life - 6 months