Dia. (In.)

Width (In.)

Wheel Type

Cap.
(Lbs.)

Height
(In.)

Swivel Lead

Wt.
(Lbs.)

Swivel Caster Model No.

Rigid Caster 
Model No.

3.1/4" x 2"  W4 Series Casters   [Top]

3.1/4

2       

Durastan Phenolic

400

5.1/4

1.7/16

6.7

W4-DUR-3220-S

W4-DUR-3220-R

Urethane on Iron

400

5

W4-UIR-3220-S

W4-UIR-3220-R

4" x 2"  W4 Series Casters  [Top]

4       

2       

Cast Iron

800

5.5/8

1.3/8

6.5

W4-CIR-0420-S

W4-CIR-0420-R

Durastan Phenolic

800

5.2

W4-DUR-0420-S

W4-DUR-0420-R

Ergo GT

900

5.2

W4-GTB-0420-S

W4-GTB-0420-R

Polyolefin

500

4.8

W4-POR-0420-S

W4-POR-0420-R

Rubber on Iron

350

7.5

W4-RIR-0420-S

W4-RIR-0420-R

RPR Optima

350

5.3

W4-RPR-0420-S

W4-RPR-0420-R

Urethane on Aluminum

700

5

W4-UAR-0420-S

W4-UAR-0420-R

Urethane on Iron

700

6.6

W4-UIR-0420-S

W4-UIR-0420-R

Urethane on Plastic

600

5.3

W4-UPR-0420-S

W4-UPR-0420-R

Urethane Solid

650

6

W4-USR-0420-S

W4-USR-0420-R

V-Groove Iron

800

7.6

W4-VIR-0420-S

W4-VIR-0420-R

5" x 2"  W4 Series Casters  [Top]

5       

2       

Cast Iron

900

6.1/8

1.17/32

7.8

W4-CIR-0520-S

W4-CIR-0520-R

Durastan Phenolic

900

5.4

W4-DUR-0520-S

W4-DUR-0520-R

Ergo GT

900

5.4

W4-GTB-0520-S

W4-GTB-0520-R

Forged Steel

900

8.1

W4-FSR-0520-S

W4-FSR-0520-R

Polyolefin

650

4.6

W4-POR-0520-S

W4-POR-0520-R

Rubber on Iron

400

7.6

W4-RIR-0520-S

W4-RIR-0520-R

RPR Optima

375

5.3

W4-RPR-0520-S

W4-RPR-0520-R

Urethane on Aluminum

900

5.5

W4-UAR-0520-S

W4-UAR-0520-R

Urethane on Iron

900

7.7

W4-UIR-0520-S

W4-UIR-0520-R

Urethane on Plastic

750

5.3

W4-UPR-0520-S

W4-UPR-0520-R

Urethane Solid

750

6.1

W4-USR-0520-S

W4-USR-0520-R

V-Groove Iron

800

9.9

W4-VIR-0520-S

W4-VIR-0520-R

6" x 2"  W4 Series Casters  [Top]

6       

2       

Cast Iron

900

7.1/4

1.3/4

9.1

W4-CIR-0620-S

W4-CIR-0620-R

Durastan Phenolic

900

6.3

W4-DUR-0620-S

W4-DUR-0620-R

Ergo GT

900

6.3

W4-GTB-0620-S

W4-GTB-0620-R

Forged Steel

900

10

W4-FSR-0620-S

W4-FSR-0620-R

Omega

1000

9.2

W4-UOB-0620-S

W4-UOB-0620-R

Polyolefin

700

5

W4-POR-0620-S

W4-POR-0620-R

Rubber on Iron

410

7.8

W4-RIR-0620-S

W4-RIR-0620-R

RPR Optima

525

5.7

W4-RPR-0620-S

W4-RPR-0620-R

Urethane on Aluminum

900

6.1

W4-UAR-0620-S

W4-UAR-0620-R

Urethane on Iron

900

8.8

W4-UIR-0620-S

W4-UIR-0620-R

Urethane on Plastic

900

5.7

W4-UPR-0620-S

W4-UPR-0620-R

Urethane Solid

900

6.8

W4-USR-0620-S

W4-USR-0620-R

V-Groove Iron

900

10.9

W4-VIR-0620-S

W4-VIR-0620-R

8" x 2"  W4 Series Casters  [Top]

8       

2       

Cast Iron

900

9.1/4

2.3/16

13.3

W4-CIR-0820-S

W4-CIR-0820-R

Durastan Phenolic

900

7.7

W4-DUR-0820-S

W4-DUR-0820-R

Ergo GT

900

7.7

W4-GTB-0820-S

W4-GTB-0820-R

Omega

1200

13.3

W4-UOB-0820-S

W4-UOB-0820-R

Polyolefin

800

5.8

W4-POR-0820-S

W4-POR-0820-R

Rubber on Iron

500

10.2

W4-RIR-0820-S

W4-RIR-0820-R

RPR Optima

550

7.1

W4-RPR-0820-S

W4-RPR-0820-R

Urethane on Aluminum

900

7.3

W4-UAR-0820-S

W4-UAR-0820-R

Urethane on Iron

900

12.1

W4-UIR-0820-S

W4-UIR-0820-R

Urethane on Plastic

900

7.7

W4-UPR-0820-S

W4-UPR-0820-R

Urethane Solid

900

7.3

W4-USR-0820-S

W4-USR-0820-R

V-Groove Iron

900

15.3

W4-VIR-0820-S

W4-VIR-0820-R