Colson 4 Series IMPAK Kingpinless Rigid Top Plate Caster Specifications

Caster Description
Wheel Dia.
Tread Width
 Capacity Each
Wheel Description
Bearing
Roller Bearing Model
 Optional Bearings 
Load Height
Swivel Radius
Approx Weight

4 Series IMPAK Rigid Top Plate Casters

4"

2"

300

Performa Rubber (Conductive/Flat)

Roller

4.04108.459 COND

Ball

5-5/8

N/A

5-3/4

4 Series IMPAK Rigid Top Plate Casters

4"

2"

350

Performa Rubber (Flat/Black)

Roller

4.04108.459.2

Delrin, Ball, Prec. Ball

5-5/8

N/A

5-3/4

4 Series IMPAK Rigid Top Plate Casters

4"

2"

350

Performa Rubber (Flat/Grey)

Roller

4.04108.459

Delrin, Ball, Prec. Ball

5-5/8

N/A

5-3/4

4 Series IMPAK Rigid Top Plate Casters

4"

2"

400

Moldon Rubber (Cast iron core)

Roller

4.04108.649.7

Delrin

5-5/8

N/A

6

4 Series IMPAK Rigid Top Plate Casters

4"

2"

500

Polyolefin

Roller

4.04108.839

Delrin, Plain

5-5/8

N/A

4-1/2

4 Series IMPAK Rigid Top Plate Casters

4"

2"

600

Polyurethane HI-TECH

Roller

4.04108.929

Delrin

5-5/8

N/A

4-3/4

4 Series IMPAK Rigid Top Plate Casters

4"

2"

700

Moldon Polyurethane (Aluminum core)

Roller

4.04108.939

Delrin

5-5/8

N/A

5-1/4

4 Series IMPAK Rigid Top Plate Casters

4"

2"

700

Moldon Polyurethane (Cast iron core)

Roller

4.04108.949.7

Delrin

5-5/8

N/A

6

4 Series IMPAK Rigid Top Plate Casters

4"

2"

800

Maxim

Roller

4.04108.539

Delrin, Bronze

5-5/8

N/A

5-1/8

4 Series IMPAK Rigid Top Plate Casters

4"

2"

800

Phenolic

Roller

4.04108.339

Delrin

5-5/8

N/A

5-3/4

4 Series IMPAK Rigid Top Plate Casters

4"

2"

800

Thermo

Roller

4.04108.839 HT

Plain

5-5/8

N/A

6-3/4

4 Series IMPAK Rigid Top Plate Casters

4"

2"

800

V-Groove

Roller

4.04108.739

Delrin

5-5/8

N/A

8-1/8

4 Series IMPAK Rigid Top Plate Casters

4"

2"

1000

Endura Solid Elastomer

Roller

4.04108.839.EN

Delrin, Prec. Ball

5-5/8

N/A

5-3/4

4 Series IMPAK Rigid Top Plate Casters

4"

2"

1000

Cast Iron

Roller

4.04108.139

Delrin

5-5/8

N/A

7-7/8

4 Series IMPAK Rigid Top Plate Casters

5"

2"

325

Performa Rubber (Conductive/Flat)

Roller

4.05108.459 COND

Ball

6-1/2

N/A

6-1/8

4 Series IMPAK Rigid Top Plate Casters

5"

2"

375

Performa Rubber (Flat/Black)

Roller

4.05108.459.2

Delrin, Ball, Prec. Ball

6-1/2

N/A

6-1/8

4 Series IMPAK Rigid Top Plate Casters

5"

2"

375

Performa Rubber (Flat/Grey)

Roller

4.05108.459

Delrin, Ball, Prec. Ball

6-1/2

N/A

6-1/8

4 Series IMPAK Rigid Top Plate Casters

5"

2"

400

Moldon Rubber (Cast iron core)

Roller

4.05108.649.7

Delrin

6-1/2

N/A

7

4 Series IMPAK Rigid Top Plate Casters

5"

2"

650

Polyolefin

Roller

4.05108.839

Delrin, Plain

6-1/2

N/A

4-7/8

4 Series IMPAK Rigid Top Plate Casters

5"

2"

750

Polyurethane HI-TECH

Roller

4.05108.929

Delrin

6-1/2

N/A

4-3/4

4 Series IMPAK Rigid Top Plate Casters

5"

2"

1000

Maxim

Roller

4.05108.539

Delrin, Bronze

6-1/2

N/A

5-1/2

4 Series IMPAK Rigid Top Plate Casters

5"

2"

1000

Endura Solid Elastomer

Roller

4.05108.839.EN

Delrin, Prec. Ball

6-1/2

N/A

5-3/4

4 Series IMPAK Rigid Top Plate Casters

5"

2"

1000

Moldon Polyurethane (Aluminum core)

Roller

4.05108.939

Delrin

6-1/2

N/A

6-1/8

4 Series IMPAK Rigid Top Plate Casters

5"

2"

1000

Moldon Polyurethane (Cast iron core)

Roller

4.05108.949.7

Delrin

6-1/2

N/A

7

4 Series IMPAK Rigid Top Plate Casters

5"

2"

1000

Moldon Nylon

Roller

4.05108.939.3

Delrin

6-1/2

N/A

9-1/4

4 Series IMPAK Rigid Top Plate Casters

5"

2"

1000

Phenolic

Roller

4.05108.339

Delrin

6-1/2

N/A

5-3/4

4 Series IMPAK Rigid Top Plate Casters

5"

2"

1000

Thermo

Roller

4.05108.839 HT

Plain

6-1/2

N/A

6-3/4

4 Series IMPAK Rigid Top Plate Casters

5"

2"

1000

Cast Iron

Roller

4.05108.139

Delrin

6-1/2

N/A

8-7/8

4 Series IMPAK Rigid Top Plate Casters

5"

2"

1400

Forged Steel

Roller

4.05108.239

Delrin

6-1/2

N/A

9-1/4

4 Series IMPAK Rigid Top Plate Casters

6"

2"

410

Performa Rubber (Conductive/Flat)

Roller

4.06108.459 COND

Ball

7-1/2

N/A

6-1/8

4 Series IMPAK Rigid Top Plate Casters

6"

2"

410

Performa Rubber (Conductive/Round)

Roller

4.06108.559 COND

Ball

7-1/2

N/A

6-1/8

4 Series IMPAK Rigid Top Plate Casters

6"

2"

450

Performa Rubber (Round/Grey)

Roller

4.06108.559

Delrin, Ball, Prec. Ball

7-1/2

N/A

6-1/8

4 Series IMPAK Rigid Top Plate Casters

6"

2"

450

Moldon Rubber (Cast iron core)

Roller

4.06108.649.7

Delrin

7-1/2

N/A

9

4 Series IMPAK Rigid Top Plate Casters

6"

2"

600

Performa Rubber (Flat/Black)

Roller

4.06108.459.2

Delrin, Ball, Prec. Ball

7-1/2

N/A

6-1/8

4 Series IMPAK Rigid Top Plate Casters

6"

2"

600

Performa Rubber (Flat/Grey)

Roller

4.06108.459

Delrin, Ball, Prec. Ball

7-1/2

N/A

6-1/8

4 Series IMPAK Rigid Top Plate Casters

6"

2"

700

Polyolefin

Roller

4.06108.839

Delrin, Plain

7-1/2

N/A

5-1/2

4 Series IMPAK Rigid Top Plate Casters

6"

2"

900

Polyurethane HI-TECH

Roller

4.06108.929

Delrin

7-1/2

N/A

5

4 Series IMPAK Rigid Top Plate Casters

6"

2"

1100

Endura Solid Elastomer

Roller

4.06108.839.EN

Delrin, Prec. Ball

7-1/2

N/A

7

4 Series IMPAK Rigid Top Plate Casters

6"

2"

1200

Maxim

4.06179.539

Delrin, Bronze

7-1/2

N/A

5-3/4

4 Series IMPAK Rigid Top Plate Casters

6"

2"

1200

Moldon Polyurethane (Aluminum core)

Roller

4.06108.939

Delrin

7-1/2

N/A

7-1/2

4 Series IMPAK Rigid Top Plate Casters

6"

2"

1200

Moldon Polyurethane (Cast iron core)

Roller

4.06108.949.7

Delrin

7-1/2

N/A

9

4 Series IMPAK Rigid Top Plate Casters

6"

2"

1200

Moldon Nylon

Roller

4.06108.939.3

Delrin

7-1/2

N/A

9-1/4

4 Series IMPAK Rigid Top Plate Casters

6"

2"

1200

Phenolic

Roller

4.06108.339

Delrin

7-1/2

N/A

7

4 Series IMPAK Rigid Top Plate Casters

6"

2"

1200

V-Groove

Roller

4.06108.739

Delrin

7-1/2

N/A

10-1/2

4 Series IMPAK Rigid Top Plate Casters

6"

2"

1400

Cast Iron

Roller

4.06108.139

Delrin

7-1/2

N/A

9-3/4

4 Series IMPAK Rigid Top Plate Casters

6"

2"

1400

Forged Steel

Roller

4.06108.239

Delrin

7-1/2

N/A

10-1/4

4 Series IMPAK Rigid Top Plate Casters

8"

2"

500

Performa Rubber (Conductive/Flat)

Roller

4.08198.459 COND

Ball

9-1/2

N/A

6-1/4

4 Series IMPAK Rigid Top Plate Casters

8"

2"

500

Performa Rubber (Conductive/Round)

Roller

4.08198.559 COND

Ball

9-1/2

N/A

6-1/4

4 Series IMPAK Rigid Top Plate Casters

8"

2"

500

Moldon Rubber (Cast iron core)

Roller

4.08198.649.7

Delrin

9-1/2

N/A

11

4 Series IMPAK Rigid Top Plate Casters

8"

2"

600

Performa Rubber (Round/Grey)

Roller

4.08198.559

Delrin, Ball, Prec. Ball

9-1/2

N/A

6-1/4

4 Series IMPAK Rigid Top Plate Casters

8"

2"

675

Performa Rubber (Flat/Black)

Roller

4.08198.459.2

Delrin, Ball, Prec. Ball

9-1/2

N/A

6-1/4

4 Series IMPAK Rigid Top Plate Casters

8"

2"

675

Performa Rubber (Flat/Grey)

Roller

4.08198.459

Delrin, Ball, Prec. Ball

9-1/2

N/A

6-1/4

4 Series IMPAK Rigid Top Plate Casters

8"

2"

900

Polyolefin

Roller

4.08198.839

Delrin, Plain

9-1/2

N/A

5-3/4

4 Series IMPAK Rigid Top Plate Casters

8"

2"

1000

Polyurethane HI-TECH

Roller

4.08198.929

Delrin

9-1/2

N/A

5-3/4

4 Series IMPAK Rigid Top Plate Casters

8"

2"

1200

Endura Solid Elastomer

Roller

4.08198.839.EN

Delrin, Prec. Ball

9-1/2

N/A

8-1/2

4 Series IMPAK Rigid Top Plate Casters

8"

2"

1400

Maxim

Roller

4.08198.539

Delrin, Bronze

9-1/2

N/A

6-1/2

4 Series IMPAK Rigid Top Plate Casters

8"

2"

1400

Moldon Polyurethane (Aluminum core)

Roller

4.08198.939

Delrin

9-1/2

N/A

8-1/4

4 Series IMPAK Rigid Top Plate Casters

8"

2"

1400

Moldon Polyurethane (Cast iron core)

Roller

4.08198.949.7

Delrin

9-1/2

N/A

11

4 Series IMPAK Rigid Top Plate Casters

8"

2"

1400

Moldon Nylon

Roller

4.08198.939.3

Delrin

9-1/2

N/A

9-1/4

4 Series IMPAK Rigid Top Plate Casters

8"

2"

1400

Phenolic

Roller

4.08198.339

Delrin

9-1/2

N/A

8-1/2

4 Series IMPAK Rigid Top Plate Casters

8"

2"

1400

Cast Iron

Roller

4.08198.139

Delrin

9-1/2

N/A

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: 4.06179.911). One-piece with steel thrust washers (Specify WB11).
Ball Bearing Options: To order change 8th & 9th digit in model number to “65” (Example: 4.06179.465). Note: Performa 6" to 8" capacity decreases (See wheel section).
Precision Ball Bearings: To order change 8th and 9th digits to “35” (Example 4.06179.435). Performa round tread, change wheel code to “555”.
Bronze Bearing Options: To order change 9th digit in Maxim model number to “4” (Example: 4.06179.534).
Plain Bearing Options: To order change 9th digit to “2”(Example: 4.06179.832).

Click on wheels below for more information.

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