Diameter

(inch)

Tread Width

(inch)

Hub Length

(inch)

Bore Diameter

(inch)

Bearing Diameter

(inch)

Load

(lbs)

WHEEL No.

BEARING TYPE

3-1/2

1-1/4

1-9/16

3/8

3/8

250

W12312-RAA

ANNULAR BEARING

4

1-1/4

1-9/16

3/8

3/8

250

W124-14-RAA

ANNULAR BEARING

2

2-3/16

1-3/16

5/8  &  3/4

400

W124-2-RAR

ROLLER BEARING

5

1-1/4

1-9/16

3/8

3/8

275

W125-14-RAA

ANNULAR BEARING

2

2-3/16

1-3/16

5/8  &  3/4

500

W125-2-RAR

ROLLER BEARING

6

2

2-3/16

1-3/16

5/8  &  3/4

550

W126-2-RAR

ROLLER BEARING

8

1-5/8

2

1-1/8

5/8

500

W128-58-RAB

BALL BEARING

2

2-3/16

1-3/16

5/8  &  3/4

600

W128-2-RAR

ROLLER BEARING