Shaft Diameter

Part Number

Replacement Bearing 

Number

B

Distance Between 

Bolt Holes

L

Mouting 

Surface to Collar Face

A

D

E

F

Bolts

G

H

M

N

P

R

Approx. Weight

1 1/2

FF224N*

UR224A

4

4 1/16

4

3 13/16

5 1/8

1/2

1/4

9/16

-

6 25/32

1/2

4 7/32

10.00

2

FF232N*

UR232A

5 1/8

4 13/16

4 15/16

4 1/2

6 3/8

5/8

5/16

11/16

-

8 1/2

5/8

5 1/32

17.40

2 3/16

FF235N*

UR235A

2 7/16

FF239N*

UR239A

5 5/8

5 5/16

5 3/8

5

6 7/8

5/8

5/16

11/16

-

9 7/32

19/32

5 17/32

20.80

2 3/4

FF244N*

UR244A

6

6 1/16

6 3/8

5 3/4

7 3/4

3/4

5/16

3/4

4 5/8

10 1/4

11/16

6 9/32

31.10

2 15/16

FF247N*

UR247A

3

FF2E48N*

UR2E48A

3 7/16

FF255N*

UR255A

6 3/4

7 5/8

7

7 1/8

8 9/16

3/4

1/2

1

5 3/16

11 3/8

3/4

7 23/32

50.20