Inch

Metric

Less than 1,000 lb.

1,000 lb. to 1,999 lb.

2,000 lb. to 2,999 lb.

3,000 lb. to 9,999 lb.

10,000 lb. or greater

450 kg

Aluminum

Bronze

Iron

Metal

Plastic

Rubber

Stainless Steel

Steel

Wood

Mobile

Stationary

14 1/4"

16"

16 3/4"

18"

18 1/2"

19"

19 1/4"

19 3/4"

20"

20 1/4"

20 1/2"

21"

21 1/2"

22"

22 3/8"

23"

24"

24 1/4"

24 1/2"

25 1/4"

26"

26 7/8"

27 1/2"

28"

30"

36"

42"

Battery

Electric

Manual

Automatic

Floor Lock

Wheel Brake

Without Brake

1.31"

1 3/8"

1.97"

2.16"

2.56"

2 3/4"

4.5"

4.68"

4.8"

5.63"

5.7"

5 3/4"

6.33"

6.69"

8.3"

9.49"

10.4"

10.43"

12 3/4"

15"

20.47"

20.5"

26.38"

36 1/2"

20 mm

30 mm

50 mm

60 mm

100 mm

150 mm

200 mm

300 mm

1 1/2"

3"

3.25"

3.5"

4"

4.5"

5"

6.06"

6.5"

7"

7.25"

7.5"

8.5"

11"

16"

18"

24"

27 1/2"

28"

28 1/4"

28 1/2"

30"

31 1/2"

32"

33"

35 1/2"

36"

36 1/4"

37"

38 11/16"

39 1/2"

40"

42"

43"

48"

49"

60"

72"

96"

120"

Lubricated

Required

Not Required

Unlubricated

Plastic

Stainless Steel

Steel

Wood

Bronze

Plastic

Stainless Steel

Steel

Compliant

Compliant with Exemptions

Not Compliant

Exempt

EAR99

Compliant

Not Compliant

Two Swivel Casters

Two Swivel and Two Rigid Casters

Two Swivel Casters and Two Axle-Mounted Wheels

Four Swivel Casters

Four Swivel Casters (Two with Brakes)

Six Swivel Casters

Aluminum

Metal

Plastic

Stainless Steel

Steel