CASTER INDUSTRIES

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30-31 SERIES LIGHT MEDIUM DUTY CASTERS

Features

Heavily embossed, formed steel upper and lower cup.
Double ball race construction.
Raceways and yoke hardened for extra strength.
Dust cover helps protect swivel bearings.
Finish: Bright zinc or chrome plated.

Applications:

Stock carts, bakery racks, food service equipment, etc.
Audio Equipment

FASTENING SPECIFICATION

FASTENING TYPE

CODE

FASTENING CODE NO

TOP PLATE

Overall	2-1/2 x 3-5/8
Hole Spacing	1-3/4 x 2-15/16
Attaching Bolt Size	5/16

Overall	3-1/8 x 4-3/32
Hole Spacing	2-3/8 x 3-7/8	(Swivels only)
Attaching Bolt Size	5/16

Grip Ring Stem

0.845 x 2-3/16 (Swivels only)

Threaded Stem

21
22
23

(Swivels only)
1/2-13 x 1
1/2-13 x 1-1/2
1/2-13 x 2-3/16

Round Plain Stem

31
32

7/8 x 1-3/4 without hole	(Swivels only)
0.845 x 2-3/8 with 1/4 cross drill hole 1-5/16 up

Square Stem

51
52

7/8 x 2	(Swivels only)
7/8 x 2-1/2

Expanding Stems

	Range	I.D. of Tubing
9	.720 - .851	3/4"
11	.852 - .927	7/8"
13	.928 - 1.029	1"
15	1.030 - 1.140	1 1/8"
19C	1.360 - 1.425	1 3/8"
19A	1.426 - 1.589	1 1/2"

SPECIFICATIONS FOR 30 AND 31 SERIES

CASTER PART NUMBER		WHEEL SPECIFICATION					CASTER SPECIFICATION
SWIVEL	RIGID	DIAMETER	TREAD WIDTH	TYPE	BEARING	AXLE DIA	OVERALL HEIGHT	SWIVEL RADIUS	LOAD CAPACITY
330-01P	331-01P	3	1-1/4	Soft Rubber	Nylon	3/8	4-1/4	2-3/4	125
330-01B	331-01B			Soft Rubber	Ball				125
330-02P	331-02P			Hard Rubber	Nylon				250
330-02B	331-02B			Hard Rubber	Ball				250
330-06P	331-06P			Light Duty Plastic	Plain				220
330-07P	331-07P			Heavy Duty Plastic	Plain				250
330-12P	331-12P			Polyurethane	Plain				220
330-12B	331-12B			Polyurethane	Ball				220
330-25B	31-25B			Gray Rubber/Plastic	Annular				220
330-04P	331-04P			Steel	Plain				250
3530-01P	3531-01P	3-1/2	1-1/4	Soft Rubber	Nylon	3/8	4-11/16	3-1/16	125
3530-02P	3531-02P			Hard Rubber	Nylon				250
3530-07P	3531-07P			Heavy Duty Plastic	Plain				250
3530-12B	3531-12B			Polyurethane	Ball				250
3530-25B	3531-25B			Gray Rubber/Plastic	Annular				230
3530-09B	3531-09B			Grey Rubber on Aluminum	Annular				225
430-01P	431-01P	4	1-1/4	Soft Rubber	Nylon	3/8	5-1/2	3-5/16	165
430-01B	431-01B			Soft Rubber	Ball				165
430-02P	431-02P			Hard Rubber	Nylon				265
430-02B	431-02B			Hard Rubber	Ball				265
430-06P	431-06P			Light Duty Plastic	Plain				225
430-07P	431-07P			Heavy Duty Plastic	Plain				265
430-12B	431-12B			Polyurethane	Ball				265
430-09B	431-09B			Grey rubber on Aluminum	Annular				265
430-25B	431-25B			Gray Rubber/Plastic	Annular				250
430-04P	431-04P			Steel	Plain				350
530-01P	531-01P	5	1-1/4	Soft Rubber	Nylon	3/8	6-3/16	4	165
530-01B	531-01B			Soft Rubber	Ball				165
530-02P	531-02P			Hard Rubber	Nylon				265
530-02B	531-02B			Hard Rubber	Ball				265
530-06P	531-06P			Light Duty Plastic	Plain				225
530-07P	531-07P			Heavy Duty Plastic	Plain				300
530-12P	531-12P			Polyurethane	Ball				265
530-25B	531-25B			Gray Rubber/Plastic	Annular				265
530-09B	531-09B			Grey Rubber on Aluminum	Annular				265

ACCESSORIES OPTIONS FOR 30 AND 31 SERIES

ACCESSORIES CODE	DESCRIPTION
VLB TG ZA SL CP NI	Vertelock Brake Thread Guard Zerk Axle Sealed Swivel Chrome Platin Nickel Plating

Phone: 714-848-4118 | Fax: 714-848-6240 | Email: sales@casterindustries.com

Industrial Casters

Food Handling Casters - Hospital Casters

Wheels

Phone: 714-848-4118 | Fax: 714-848-6240 | Email: sales@casterindustries.com
Industrial Casters and Institutional Casters
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