Colson 4 Series Casters

Top Plate Swivel & Rigid

Stainless Steel Top Plate Swivel & Rigid

Top Plate Swivel & Rigid

Standard Features

Attractive zinc plated finish
Full double ball hardened raceways
1/2" hollow axle with grease zerk and lock nut
Plastic seal/retainer washer (roller bearing models)
1/4" steel top plate for durability
Permanent rivet king pin with 5/8" diameter rivet
Grease fittings: wheel bearing and swivel raceway
"Colson 45" multi-temp grease lubricates in extreme hot and cold temperatures

Performance Options

Top Plates

Caster Brakes

Fork / Wheel Options

# 2 Plate
(Specify MTG2).

#4 Plate
(specify MTG4).

Tech Lock
Available on all swivel casters except 3-1/4" diameter, V-Groove and Swivel Lock models (Specify BRK2).

Tread Lock
Available on all swivel casters except 3-1/4" diameter and V-groove models (Specify BRK1).

Side Lock
Available on all swivel roller bearing models except 3-1/4" diameter (Specify BRK3).

Total Lock
Available on 6" swivel models except V-Groove (Specify BRK4).

4 Position Swivel Lock

Dirtban Swivel Seal
Not available on swivel lock models (Specify SEAL).

NSF Listed
All models except swivel lock, thread guards, forged steel, and cast iron core wheels (Specify FSI).

Thread Guards
Available on many models (Specify TG1 for metal TG2 for plastic).

Load Height Option
6" dia. models with 7-1/4" load height. Only Side Lock brakes. (Specify LH7.25).

Axle / Nut Options:
AX2 Solid Axle
NT1 Thick lock nut

Lube Options	Fork	Wheel
No Grease	GRF1	GRW1
Double Grease	GRF2	GRW2
3001Ú4 Continuous	GRF3	GRW3
5001Ú4 Continuous	Consult	factory

Wheel Selection

4 SERIES • Top Plate Swivel & Rigid • Capacity up to 900 lbs.

Wheel Dia.	Tread Width	Capacity Each (Pounds)	Wheel Descriptions	Swivel Top Plate Roller Bearing Caster Models	Rigid Top Plate Roller Bearing Caster Models	Optional Bearings (order information below chart)	Load Height	Swivel Radius	Weight lbs. (Rigid Deduct 1.5lbs)

			Phenolic	4.03109.339	4.03108.339	Delrin	5-1/4	3-3/16	4-3/4
3-1/4"	2"	700
			Maxim	4.03109.539	4.03108.539	Delrin, Bronze	5-1/4	3-3/16	4-3/4

		300	Performa Rubber (Flat/Conductive)	4.04109.459 COND	4.04108.459 COND	Ball	5-5/8	3-9/16	5-3/4

			Performa Rubber (Flat/Black)	4.04109.459.2	4.04108.459.2	Delrin, Ball, Prec. Ball	5-5/8	3-9/16	5-3/4
		350
			Performa Rubber (Flat/Grey)	4.04109.459	4.04108.459	Delrin, Ball, Prec. Ball	5-5/8	3-9/16	5-3/4

		400	Moldon Rubber (Cast Iron Core)	4.04109.649.7	4.04108.649.7	Delrin	5-5/8	3-9/16	7-1/4

		500	Polyolefin	4.04109.839	4.04108.839	Delrin, Plain	5-5/8	3-9/16	4-1/2

		600	Polyurethane HI-TECH	4.04109.929	4.04108.929	Delrin	5-5/8	3-9/16	4-3/4

4"	2"		Moldon Polyurethane (Aluminum Core)	4.04109.939	4.04108.939	Delrin	5-5/8	3-9/16	5-1/4
		700
			Moldon Polyurethane (Cast Iron Core)	4.04109.949.7	4.04108.949.7	Delrin	5-5/8	3-9/16	7-1/4

			Maxim	4.04109.539	4.04108.539	Delrin, Bronze	5-5/8	3-9/16	4-1/8

			Phenolic	4.04109.339	4.04108.339	Delrin	5-5/8	3-9/16	5-3/4

			Thermo	4.04109.839 HT	4.04108.839 HT	Plain	5-5/8	3-9/16	6-3/4

			V-Groove	4.04109.739	4.04108.739	Delrin	5-5/8	3-9/16	8-1/8

			Endura Solid Elastomer	4.04109.839.EN	4.04108.839.EN	Delrin, Prec. Ball	5-5/8	3-9/16	5-3/4
		900
			Cast Iron	4.04109.139	4.04108.139	Delrin	5-5/8	3-9/16	7-7/8

		325	Performa Rubber (Flat/Conductive)	4.05109.459 COND	4.05108.459 COND	Ball	6-1/2	4-1/4	6-1/8

			Performa Rubber (Flat/Black)	4.05109.459.2	4.05108.459.2	Delrin, Ball, Prec. Ball	6-1/2	4-1/4	6-1/8
		375
			Performa Rubber (Flat/Grey)	4.05109.459	4.05108.459	Delrin, Ball, Prec. Ball	6-1/2	4-1/4	6-1/8

		400	Moldon Rubber (Cast Iron Core)	4.05109.649.7	4.05108.649.7	Delrin	6-1/2	4-1/4	8-1/8

		650	Polyolefin	4.05109.839	4.05108.839	Delrin, Plain	6-1/2	4-1/4	4-7/8

5"	2"	750	Polyurethane HI-TECH	4.05109.929	4.05108.929	Delrin	6-1/2	4-1/4	4-3/4

			Maxim	4.05109.539	4.05108.539	Delrin, Bronze	6-1/2	4-1/4	4-1/2

			Endura Solid Elastomer	4.05109.839.EN	4.05108.839.EN	Delrin, Prec. Ball	6-1/2	4-1/4	5-3/4

			Moldon Polyurethane (Aluminum Core)	4.05109.939	4.05108.939	Delrin	6-1/2	4-1/4	6-1/8

			Moldon Polyurethane (Cast Iron Core)	4.05109.949.7	4.05108.949.7	Delrin	6-1/2	4-1/4	8-1/8
		500
			Moldon Nylon	4.05109.939.3	4.05108.939.3	Delrin	6-1/2	4-1/4	9-1/4

			Phenolic	4.05109.339	4.05108.339	Delrin	6-1/2	4-1/4	5-3/4

			Thermo	4.05109.839 HT	4.05108.839 HT	Plain	6-1/2	4-1/4	6-3/4

			Cast Iron	4.05109.139	4.05108.139	Delrin	6-1/2	4-1/4	8-7/8

			Forged Steel	4.05109.239	4.05108.239	Delrin	6-1/2	4-1/4	9-1/4

			Performa Rubber (Flat/Conductive)	4.06109.459 COND	4.06108.459 COND	Ball	7-1/2	5	6-1/8
		410
			Performa Rubber (Round/Conductive)	4.06109.559 COND	4.06108.559 COND	Ball	7-1/2	5	6-1/8

			Performa Rubber (Round/Grey)	4.06109.559	4.06108.559	Delrin, Prec. Ball	7-1/2	5	6-1/8
		450
			Moldon Rubber (Cast Iron Core)	4.06109.649.7	4.06108.649.7	Delrin	7-1/2	5	10-1/2

			Performa Rubber (Flat/Black)	4.06109.459.2	4.06108.459.2	Delrin, Prec. Ball	7-1/2	5	6-1/8
		600
			Performa Rubber (Flat/Grey)	4.06109.459	4.06108.459	Delrin, Prec. Ball	7-1/2	5	6-1/8

		700	Polyolefin	4.06109.839	4.06108.839	Delrin, Plain	7-1/2	5	5-1/2

			Maxim	4.06109.539	4.06108.539	Delrin, Bronze	7-1/2	5	4-3/4

			Endura Solid Elastomer	4.06109.839.EN	4.06108.839.EN	Delrin, Prec. Ball	7-1/2	5	7

6"	2"		Polyurethane HI-TECH	4.06109.929	4.06108.929	Delrin	7-1/2	5	5

			Moldon Polyurethane (Aluminum Core)	4.06109.939	4.06108.939	Delrin	7-1/2	5	7-1/2

			Moldon Polyurethane (Cast Iron Core)	4.06109.949.7	4.06108.949.7	Delrin	7-1/2	5	10-1/2
		900
			Moldon Nylon	4.06109.939.3	4.06108.939.3	Delrin	7-1/2	5	9-1/4

			Phenolic	4.06109.339	4.06108.339	Delrin	7-1/2	5	7

			Cast Iron	4.06109.139	4.06108.139	Delrin	7-1/2	5	9-3/4

			Forged Steel	4.06109.239	4.06108.239	Delrin	7-1/2	5	10-1/4

			V-Groove	4.06109.739	4.06108.739	Delrin	7-1/2	5	10-1/2

			Performa Rubber (Flat/Conductive)	4.08199.459 COND	4.08198.459 COND	Ball	9-1/2	6-1/2	6-1/4

		500	Performa Rubber (Round/Conductive)	4.08199.559 COND	4.08198.559 COND	Ball	9-1/2	6-1/2	6-1/4

			Moldon Rubber (Cast Iron Core)	4.08199.649.7	4.08198.649.7	Delrin	9-1/2	6-1/2	13-1/4

		600	Performa Rubber (Round/Grey)	4.08199.559	4.08198.559	Delrin, Prec. Ball	9-1/2	6-1/2	6-1/4

			Performa Rubber (Flat/Black)	4.08199.459.2	4.08198.459.2	Delrin, Prec. Ball	9-1/2	6-1/2	6-1/4
		675
			Performa Rubber (Flat/Grey)	4.08199.459	4.08198.459	Delrin, Prec. Ball	9-1/2	6-1/2	6-1/4

			Polyolefin	4.08199.859	4.08198.859	Delrin, Plain	9-1/2	6-1/2	5-3/4

			Maxim	4.08199.539	4.08198.559	Delrin, Bronze	9-1/2	6-1/2	5-1/2

8"	2"		Endura Solid Elastomer	4.08199.839.EN	4.08198.839.EN	Delrin, Prec. Ball	9-1/2	6-1/2	5-3/4

			Polyurethane HI-TECH	4.08199.929	4.08198.929	Delrin	9-1/2	6-1/2	5-3/4

		900	Moldon Polyurethane (Aluminum Core)	4.08199.939	4.08198.939	Delrin	9-1/2	6-1/2	8-1/4

			Moldon Polyurethane (Cast Iron Core)	4.08199.949.7	4.08198.949.7	Delrin	9-1/2	6-1/2	13-1/4

			Moldon Nylon	4.08199.939.3	4.08198.939.3	Delrin	9-1/2	6-1/2	9-1/4

			Phenolic	4.08199.339	4.08198.339	Delrin	9-1/2	6-1/2	8-1/2

			Cast Iron	4.08199.139	4.08198.139	Delrin	9-1/2	6-1/2	12-1/2

Roller Bearing Options: Torrington style roller bearing with Hytrel retainer (Specify WB19). Metal cage roller bearing (Specify WB29).
Roller Bearing Washer Options: Metal thrust & retainer washers (Specify WSR1). Sintered iron step washers (Specify WSR2). Sealed metal retainer washer (Specify WSR3).
Delrin Bearing Options: For standard two-piece bearing change ninth digit to "1" (Example: 4.06109.111). One-piece with steel thrust washers (Specify WB11).
Ball Bearing Options: To order change 8th & 9th digits to "65" (Example: 4.06109.465). Note: Performa 6" to 8" capacity decreases (See whee/ section).
Precision Ball Bearings: To order change 8th & 9th digits to "35" (Example: 4.06109.435). Performa round tread, change wheel code to "555".
Bronze Bearing Options: To order change 9th digit in Maxim model number to "4" (Example: 4.06109.534).
Plain Bearing Options: To order change 9th digit to "2" (Example: 4.06109832).

Stainless Steel Top Plate Swivel & Rigid

Standard Features

Polished stainless steel (Grade 304)
Full double ball hardened raceways
1/2" hollow axle with grease zerk and lock nut is stainless steel
1/4" steel top plate for durability
Permanent rivet king pin with 5/8" diameter rivet
Grease fittings: wheel bearing and swivel raceway
"Colson 45" multi-temp grease lubricates in extreme hot and cold temperatures
NSF Listed

Performance Options

Caster Brakes	Fork / Wheel Options
Tech Lock Available on all swivel casters (Specify BRK2).	Dirtban Swivel Seal Thread Guards Available on many models (Specify TG2 for plastic).

4 SERIES • Stainless Steel Top Plate Swivel & Rigid • Capacity up to 900 lbs.

Wheel Dia.	Tread Width	Capacity Each (Pounds)	Wheel Descriptions	Wheel Bearing	Swivel Top Plate Caster Models	Rigid Top Plate Caster Models	Load Height	Swivel Radius	Weight (Pounds)

			Performa Rubber (Flat Black)	Delrin	4.04109.451.2 SS	4.04108.451.2 SS	5-5/8	3-9/16	5-3/4

			Performa Rubber (Flat Black)	Bronze	4.04109.454.2 SS	4.04108.454.2 SS	5-5/8	3-9/16	5-3/4
		350
			Performa Rubber (Flat Grey)	Delrin	4.04109.451 SS	4.04108.451 SS	5-5/8	3-9/16	5-3/4

			Performa Rubber (Flat Grey)	Bronze	4.04109.454 SS	4.04108.454 SS	5-5/8	3-9/16	5-3/4

			Polyolefin	Delrin	4.04109.831 SS	4.04108.831 SS	5-5/8	3-9/16	4-1/2
		500
			Polyolefin	Bronze	4.04109.834 SS	4.04108.834 SS	5-5/8	3-9/16	4-1/2

			Polyurethane HI-TECH	Delrin	4.04109.921 SS	4.04108.921 SS	5-5/8	3-9/16	4-3/4
		600
4"	2"		Polyurethane HI-TECH	Bronze	4.04109.924 SS	4.04108.924 SS	5-5/8	3-9/16	4-3/4

			Maxim	Delrin	4.04109.531 SS	4.04108.531 SS	5-5/8	3-9/16	5-3/4

			Maxim	Bronze	4.04109.534 SS	4.04108.534 SS	5-5/8	3-9/16	5-3/4
		800
			Phenolic	Delrin	4.04109.331 SS	4.04108.331 SS	5-5/8	3-9/16	5-3/4

			Phenolic	Bronze	4.04109.334 SS	4.04108.334 SS	5-5/8	3-9/16	5-3/4

			Endura Solid Elastomer	Delrin	4.04109.831.EN SS	4.04108.831.EN SS	5-5/8	3-9/16	5-3/4
		900
			Endura Solid Elastomer	Bronze	4.04109.834.EN SS	4.04108.834.EN SS	5-5/8	3-9/16	5-3/4

			Performa Rubber (Flat Black)	Delrin	4.05109.451.2 SS	4.05108.451.2 SS	6-1/2	4-1/4	6-1/8

			Performa Rubber (Flat Black)	Bronze	4.05109.454.2 SS	4.05108.454.2 SS	6-1/2	4-1/4	6-1/8
		375
			Performa Rubber (Flat Grey)	Delrin	4.05109.451 SS	4.05108.451 SS	6-1/2	4-1/4	6-1/8

			Performa Rubber (Flat Grey)	Bronze	4.05109.454 SS	4.05108.454 SS	6-1/2	4-1/4	6-1/8

			Polyolefin	Delrin	4.05109.831 SS	4.05108.831 SS	6-1/2	4-1/4	4-7/8
		650
			Polyolefin	Bronze	4.05109.834 SS	4.05108.834 SS	6-1/2	4-1/4	4-7/8

			Polyurethane HI-TECH	Delrin	4.05109.921 SS	4.05108.921 SS	6-1/2	4-1/4	4-7/8
		750
5"	2"		Polyurethane HI-TECH	Bronze	4.05109.924 SS	4.05108.924 SS	6-1/2	4-1/4	4-7/8

			Maxim	Delrin	4.05109.531 SS	4.05108.531 SS	6-1/2	4-1/4	5-7/8

			Maxim	Bronze	4.05109.534 SS	4.05108.534 SS	6-1/2	4-1/4	5-7/8

			Phenolic	Delrin	4.05109.331 SS	4.05108.331 SS	6-1/2	4-1/4	5-7/8
		900
			Phenolic	Bronze	4.05109.334 SS	4.05108.334 SS	6-1/2	4-1/4	5-7/8

			Endura Solid Elastomer	Delrin	4.05109.831.EN SS	4.05108.831.EN SS	6-1/2	4-1/4	5-7/8

			Endura Solid Elastomer	Bronze	4.05109.834.EN SS	4.05108.834.EN SS	6-1/2	4-1/4	5-7/8

			Performa Rubber (Round Grey)	Delrin	4.06109.551 SS	4.06108.551 SS	7-1/2	5	7-1/8
		450
			Performa Rubber (Round Grey)	Bronze	4.06109.554 SS	4.06108.554 SS	7-1/2	5	7-1/8

			Performa Rubber (Flat Black)	Delrin	4.06109.451.2 SS	4.06108.451.2 SS	7-1/2	5	7-1/8

			Performa Rubber (Flat Black)	Bronze	4.06109.454.2 SS	4.06108.454.2 SS	7-1/2	5	7-1/8
		600
			Performa Rubber (Flat Grey)	Delrin	4.06109.451 SS	4.06108.451 SS	7-1/2	5	7-1/8

			Performa Rubber (Flat Grey)	Bronze	4.06109.454 SS	4.06108.454 SS	7-1/2	5	7-1/8

			Polyolefin	Delrin	4.06109.831 SS	4.06108.831 SS	7-1/2	5	5-1/2
		700
			Polyolefin	Bronze	4.06109.834 SS	4.06108.834 SS	7-1/2	5	5-1/2
6"	2"
			Polyurethane HI-TECH	Delrin	4.06109.921 SS	4.06108.921 SS	7-1/2	5	5

			Polyurethane HI-TECH	Bronze	4.06109.924 SS	4.06108.924 SS	7-1/2	5	5

			Maxim	Delrin	4.06109.531 SS	4.06108.531 SS	7-1/2	5	6

			Maxim	Bronze	4.06109.534 SS	4.06108.534 SS	7-1/2	5	6
		900
			Phenolic	Delrin	4.06109.331 SS	4.06108.331 SS	7-1/2	5	6

			Phenolic	Bronze	4.06109.334 SS	4.06108.334 SS	7-1/2	5	6

			Endura Solid Elastomer	Delrin	4.06109.831.EN SS	4.06108.831.EN SS	7-1/2	5	6

			Endura Solid Elastomer	Bronze	4.06109.834.EN SS	4.06108.834.EN SS	7-1/2	5	6

			Performa Rubber (Round Grey)	Delrin	4.08199.551 SS	4.08198.551 SS	9-1/2	6-1/2	8-1/8
		600
			Performa Rubber (Round Grey)	Bronze	4.08199.554 SS	4.08198.554 SS	9-1/2	6-1/2	8-1/8

			Performa Rubber (Flat Black)	Delrin	4.08199.451.2 SS	4.08198.451.2 SS	9-1/2	6-1/2	8-1/8

			Performa Rubber (Flat Black)	Bronze	4.08199.454.2 SS	4.08198.454.2 SS	9-1/2	6-1/2	8-1/8
		675
			Performa Rubber (Flat Grey)	Delrin	4.08199.451 SS	4.08198.451 SS	9-1/2	6-1/2	8-1/8

			Performa Rubber (Flat Grey)	Bronze	4.08199.454 SS	4.08198.454 SS	9-1/2	6-1/2	8-1/8

			Polyolefin	Delrin	4.08199.831 SS	4.08198.831 SS	9-1/2	6-1/2	5-3/4

			Polyolefin	Bronze	4.08199.834 SS	4.08198.834 SS	9-1/2	6-1/2	5-3/4
8"	2"
			Polyurethane HI-TECH	Delrin	4.08199.921 SS	4.08198.921 SS	9-1/2	6-1/2	5-3/4

			Polyurethane HI-TECH	Bronze	4.08199.924 SS	4.08198.924 SS	9-1/2	6-1/2	5-3/4

			Maxim	Delrin	4.08199.531 SS	4.08198.531 SS	9-1/2	6-1/2	6-3/4
		900
			Maxim	Bronze	4.08199.534 SS	4.08198.534 SS	9-1/2	6-1/2	6-3/4

			Phenolic	Delrin	4.08199.331 SS	4.08198.331 SS	9-1/2	6-1/2	6-3/4

			Phenolic	Bronze	4.08199.334 SS	4.08198.334 SS	9-1/2	6-1/2	6-3/4

			Endura Solid Elastomer	Delrin	4.08199.831.EN SS	4.08198.831.EN SS	9-1/2	6-1/2	6-3/4

			Endura Solid Elastomer	Bronze	4.08199.834.EN SS	4.08198.834.EN SS	9-1/2	6-1/2	6-3/4