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Medium duty with set screw lock.
  • Wide inner race bearing with greater load carrying capacity than standard duty
  • Cast iron housing
  • B-type seals
  • L3-type seals available in some sizes
UCFX 4-Bolt Flange Units
Unit of Measure
1 2 

Item #

d - Shaft Dia.

A - Dimension

E - Dimension

I - Dimension

G - Dimension

L - Dimension

UCFX 05 14 N/A 0.875 in N/A 4.25 in108 mm N/A 3.25 in83 mm N/A 45/64 in18 mm N/A 0.5 in13 mm N/A 1 7/32 in31 mm
UCFX 05 15 N/A 0.9375 in N/A 4.25 in108 mm N/A 3.25 in83 mm N/A 45/64 in18 mm N/A 0.5 in13 mm N/A 1 7/32 in31 mm
UCFX 05 25MM N/A 25 mm N/A 4.25 in108 mm N/A 3.25 in83 mm N/A 45/64 in18 mm N/A 0.5 in13 mm N/A 1 7/32 in31 mm
UCFX 05 16 N/A 1 in N/A 4.25 in108 mm N/A 3.25 in83 mm N/A 45/64 in18 mm N/A 0.5 in13 mm N/A 1 7/32 in31 mm
UCFX 06 18 N/A 1.125 in N/A 4 19/32 in117 mm N/A 3 5/8 in92 mm N/A 3/4 in19 mm N/A 19/32 in15 mm N/A 1 11/32 in34 mm
UCFX 06 30MM N/A 30 mm N/A 4 19/32 in117 mm N/A 3 5/8 in92 mm N/A 3/4 in19 mm N/A 19/32 in15 mm N/A 1 11/32 in34 mm
UCFX 06 19 N/A 1.1875 in N/A 4 19/32 in117 mm N/A 3 5/8 in92 mm N/A 3/4 in19 mm N/A 19/32 in15 mm N/A 1 11/32 in34 mm
UCFX 06 20 N/A 1.25 in N/A 4 19/32 in117 mm N/A 3 5/8 in92 mm N/A 3/4 in19 mm N/A 19/32 in15 mm N/A 1 11/32 in34 mm
UCFX 07 22 N/A 1.375 in N/A 5 1/8 in130 mm N/A 4 in102 mm N/A 53/64 in21 mm N/A 19/32 in15 mm N/A 1 13/32 in36 mm
UCFX 07 35MM N/A 35 mm N/A 5 1/8 in130 mm N/A 4 in102 mm N/A 53/64 in21 mm N/A 19/32 in15 mm N/A 1 13/32 in36 mm
UCFX 07 23 N/A 1.4375 in N/A 5 1/8 in130 mm N/A 4 in102 mm N/A 53/64 in21 mm N/A 19/32 in15 mm N/A 1 13/32 in36 mm
UCFX 08 24 N/A 1.5 in N/A 5 13/32 in137 mm N/A 4 1/8 in105 mm N/A 55/64 in22 mm N/A 5/8 in16 mm N/A 1 1/2 in38 mm
UCFX 08 40MM N/A 40 mm N/A 5 13/32 in137 mm N/A 4 1/8 in105 mm N/A 55/64 in22 mm N/A 5/8 in16 mm N/A 1 1/2 in38 mm
UCFX 09 26 N/A 1.625 in N/A 5 5/8 in143 mm N/A 4 3/8 in111 mm N/A 55/64 in22 mm N/A 5/8 in16 mm N/A 1 9/16 in40 mm
UCFX 09 27 N/A 1.6875 in N/A 5 5/8 in143 mm N/A 4 3/8 in111 mm N/A 55/64 in22 mm N/A 5/8 in16 mm N/A 1 9/16 in40 mm
UCFX 09 28 N/A 1.75 in N/A 5 5/8 in143 mm N/A 4 3/8 in111 mm N/A 55/64 in22 mm N/A 5/8 in16 mm N/A 1 9/16 in40 mm
UCFX 09 45MM N/A 45 mm N/A 5 5/8 in143 mm N/A 4 3/8 in111 mm N/A 55/64 in22 mm N/A 5/8 in16 mm N/A 1 9/16 in40 mm
UCFX 10 30 N/A 1.875 in N/A 6 1/2 in165 mm N/A 5 1/8 in130 mm N/A 63/64 in25 mm N/A 23/32 in18 mm N/A 1 11/16 in43 mm
UCFX 10 31 N/A 1.9375 in N/A 6 1/2 in165 mm N/A 5 1/8 in130 mm N/A 63/64 in25 mm N/A 23/32 in18 mm N/A 1 11/16 in43 mm
UCFX 10 50MM N/A 50 mm N/A 6 1/2 in165 mm N/A 5 1/8 in130 mm N/A 63/64 in25 mm N/A 23/32 in18 mm N/A 1 11/16 in43 mm
UCFX 10 32 N/A 2 in N/A 6 1/2 in165 mm N/A 5 1/8 in130 mm N/A 63/64 in25 mm N/A 23/32 in18 mm N/A 1 11/16 in43 mm
UCFX 11 34 N/A 2.125 in N/A 6 7/8 in175 mm N/A 5 5/8 in143 mm N/A 1 9/64 in29 mm N/A 23/32 in18 mm N/A 1 7/8 in48 mm
UCFX 11 55MM N/A 55 mm N/A 6 7/8 in175 mm N/A 5 5/8 in143 mm N/A 1 9/64 in29 mm N/A 23/32 in18 mm N/A 1 7/8 in48 mm
UCFX 11 35 N/A 2.1875 in N/A 6 7/8 in175 mm N/A 5 5/8 in143 mm N/A 1 9/64 in29 mm N/A 23/32 in18 mm N/A 1 7/8 in48 mm
UCFX 11 36 N/A 2.25 in N/A 6 7/8 in175 mm N/A 5 5/8 in143 mm N/A 1 9/64 in29 mm N/A 23/32 in18 mm N/A 1 7/8 in48 mm
Unit of Measure
1 2