Shaft 

Diameter

Part 

Number

B O.D.

J

Outer 

Ring 

Width

D

G

M

N

Approx.

 Weight

1 11/16

UG3K27L

4.3307

1.2598

2 19/32

31/32

2 11/16

2.702

5.70

1 15/16

UG3K31L

4.7244

1.3386

2 13/16

1

2 31/32

2.959

6.60

2 3/16

UG3K35L

5.9055

1.6142

3 1/16

1 3/16

3 3/8

3.732

11.50

2 7/16

UG3K39L

6.2992

1.6929

3 5/16

1 1/4

3 7/8

3.990

14.40

2 11/16

UG3K43L

6.6929

1.7717

3 13/16

1 5/16

4 5/32

4.247

21.50

2 15/16

UG3K47L

7.4806

1.9291

4 3/32

1 13/32

4 13/32

4.763

23.50

3 7/16

UG3K55L

8.4646

2.1654

4 15/16

1 9/16

5 3/16

5.339

33.00