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Emerson Bearing Company
201 Brighton Avenue
Boston, MA 02134
Phone: (800) 225-4587 • Fax: (800) 252-1996
Email: info@emersonbearing.com
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Standard duty with set screw lock.

Available with:
  • Set screw or eccentric locking collar.
  • Corrosion resistant housing and bearing options include Cast iron, Stainless Steel, Thermoplastic, and Nickel plating.
  • B-type seals or L3 triple lip seals available for extra sealing needs.
  • Wide inner race bearing.
UCFB-3-Bolt-Flange-Bracket-Units
Unit of Measure
1 2 

Item #

Alternative P/N

(d) Shaft Diameter

(W) Dimension

(B) Dimension

(D) Dimension

(S) Dimension

(G) Dimension

(H) Dimension

Bolt Used

FB12MM N/A UCFB 201 N/A N/A 4-1/4 in N/A 2.5000 in N/A 2-3/8 in N/A 25/64 in N/A 5/16 in N/A 1-11/16 in N/A 5/16 in
FB8 N/A UCFB 201-8 N/A 0.5 in N/A 4-1/4 in N/A 2.5000 in N/A 2-3/8 in N/A 25/64 in N/A 5/16 in N/A 1-11/16 in N/A 5/16 in
FB15MM N/A UCFB 202 N/A N/A 4-1/4 in N/A 2.5000 in N/A 2-3/8 in N/A 25/64 in N/A 5/16 in N/A 1-11/16 in N/A 5/16 in
FB10 N/A UCFB 202-10 N/A 0.625 in N/A 4-1/4 in N/A 2.5000 in N/A 2-3/8 in N/A 25/64 in N/A 5/16 in N/A 1-11/16 in N/A 5/16 in
FB17MM N/A UCFB 203 N/A N/A 4-1/4 in N/A 2.5000 in N/A 2-3/8 in N/A 25/64 in N/A 5/16 in N/A 1-11/16 in N/A 5/16 in
FB12 N/A UCFB 204-12 N/A 0.75 in N/A 4-1/4 in N/A 2.5000 in N/A 2-3/8 in N/A 25/64 in N/A 5/16 in N/A 1-11/16 in N/A 5/16 in
FB20MM N/A UCFB 204 N/A N/A 4-1/4 in N/A 2.5000 in N/A 2-3/8 in N/A 25/64 in N/A 5/16 in N/A 1-11/16 in N/A 5/16 in
FB14 N/A UCFB 205-14 N/A 0.875 in N/A 4-3/4 in N/A 2.7500 in N/A 2.5000 in N/A 25/64 in N/A 3/8 in N/A 1-13/16 in N/A 5/16 in
FB15 N/A UCFB 205-15 N/A 0.9375 in N/A 4-3/4 in N/A 2.7500 in N/A 2.5000 in N/A 25/64 in N/A 3/8 in N/A 1-13/16 in N/A 5/16 in
FB25MM N/A UCFB 205 N/A N/A 4-3/4 in N/A 2.7500 in N/A 2.5000 in N/A 25/64 in N/A 3/8 in N/A 1-13/16 in N/A 5/16 in
FB16 N/A UCFB 205-16 N/A 1 in N/A 4-3/4 in N/A 2.7500 in N/A 2.5000 in N/A 25/64 in N/A 3/8 in N/A 1-13/16 in N/A 5/16 in
FB17 N/A UCFB 206-17 N/A 1.0625 in N/A 5-3/8 in N/A 3.2500 in N/A 2-3/4 in N/A 25/64 in N/A 3/8 in N/A 2-1/16 in N/A 5/16 in
FB18 N/A UCFB 206-18 N/A 1.125 in N/A 5-3/8 in N/A 3.2500 in N/A 2-3/4 in N/A 25/64 in N/A 3/8 in N/A 2-1/16 in N/A 5/16 in
FB30MM N/A UCFB 206 N/A N/A 5-3/8 in N/A 3.2500 in N/A 2-3/4 in N/A 25/64 in N/A 3/8 in N/A 2-1/16 in N/A 5/16 in
FB19 N/A UCFB 206-19 N/A 1.1875 in N/A 5-3/8 in N/A 3.2500 in N/A 2-3/4 in N/A 25/64 in N/A 3/8 in N/A 2-1/16 in N/A 5/16 in
FB20S N/A UCFB 206-20 N/A 1.25 in N/A 5-3/8 in N/A 3.2500 in N/A 2-3/4 in N/A 25/64 in N/A 3/8 in N/A 2-1/16 in N/A 5/16 in
FB20 N/A UCFB 207-20 N/A 1.25 in N/A 6-1/8 in N/A 3.7500 in N/A 3.2500 in N/A 33/64 in N/A 1/2 in N/A 2-3/8 in N/A 7/16 in
FB21 N/A UCFB 207-21 N/A 1.3125 in N/A 6-1/8 in N/A 3.7500 in N/A 3.2500 in N/A 33/64 in N/A 1/2 in N/A 2-3/8 in N/A 7/16 in
FB22 N/A UCFB 207-22 N/A 1.375 in N/A 6-1/8 in N/A 3.7500 in N/A 3.2500 in N/A 33/64 in N/A 1/2 in N/A 2-3/8 in N/A 7/16 in
FB35MM N/A UCFB 207 N/A N/A 6-1/8 in N/A 3.7500 in N/A 3.2500 in N/A 33/64 in N/A 1/2 in N/A 2-3/8 in N/A 7/16 in
FB23 N/A UCFB 207-23 N/A 1.4375 in N/A 6-1/8 in N/A 3.7500 in N/A 3.2500 in N/A 33/64 in N/A 1/2 in N/A 2-3/8 in N/A 7/16 in
FB24 N/A UCFB 208-24 N/A 1.5 in N/A 6-15/32 in N/A 3-15/16 in N/A 3-1/16 in N/A 15/32 in N/A 5/8 in N/A 2-23/64 in N/A 3/8 in
FB25 N/A UCFB 208-25 N/A 1.5625 in N/A 6-15/32 in N/A 3-15/16 in N/A 3-1/16 in N/A 15/32 in N/A 5/8 in N/A 2-23/64 in N/A 3/8 in
FB40MM N/A UCFB 208 N/A N/A 6-15/32 in N/A 3-15/16 in N/A 3-1/16 in N/A 15/32 in N/A 5/8 in N/A 2-23/64 in N/A 3/8 in
FB26 N/A UCFB 209-26 N/A 1 5/8 in N/A 6-27/32 in N/A 4-3/16 in N/A 3-5/32 in N/A 15/32 in N/A 23/32 in N/A 2-9/16 in N/A 3/8 in
Unit of Measure
1 2