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Action Bearing Company
201 Brighton Avenue
Boston, MA 02134
Phone: (800) 225-4587 • Fax: (800) 252-1996
Email: info@actionbearing.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
  • Available with high temperature bearings.
UCF-4-Bolt-Flange-Units
Unit of Measure
1 2 

Item #

Alternative P/N

(d) Shaft Diameter

(A) Dimension

(E) Dimension

(G) Dimension

(L) Dimension

(S) Dimension

Bolt Used

SF27 N/A UCF 209-27 N/A 1 11/16 in N/A 5-13/32 in N/A 4-1/8 in N/A 5/8 in N/A 1.5 in N/A 5/8 in N/A 9/16 in
SF28 N/A UCF 209-28 N/A 1 3/4 in N/A 5-13/32 in N/A 4-1/8 in N/A 5/8 in N/A 1.5 in N/A 5/8 in N/A 9/16 in
SF45MM N/A UCF 209 N/A N/A 5-13/32 in N/A 4-1/8 in N/A 5/8 in N/A 1.5 in N/A 5/8 in N/A 9/16 in
SF30 N/A UCF 210-30 N/A 1 7/8 in N/A 5-5/8 in N/A 4-3/8 in N/A 5/8 in N/A 1-9/16 in N/A 5/8 in N/A 9/16 in
SF31 N/A UCF 210-31 N/A 1 15/16 in N/A 5-5/8 in N/A 4-3/8 in N/A 5/8 in N/A 1-9/16 in N/A 5/8 in N/A 9/16 in
SF50MM N/A UCF 210 N/A N/A 5-5/8 in N/A 4-3/8 in N/A 5/8 in N/A 1-9/16 in N/A 5/8 in N/A 9/16 in
SF32S N/A UCF 210-32 N/A 2 in N/A 5-5/8 in N/A 4-3/8 in N/A 5/8 in N/A 1-9/16 in N/A 5/8 in N/A 9/16 in
SF32 N/A UCF 211-32 N/A 2 in N/A 6-1/2 in N/A 5-1/8 in N/A 23/32 in N/A 1-11/16 in N/A 43/64 in N/A 5/8 in
SF34 N/A UCF 211-34 N/A 2 1/8 in N/A 6-1/2 in N/A 5-1/8 in N/A 23/32 in N/A 1-11/16 in N/A 43/64 in N/A 5/8 in
SF55MM N/A UCF 211 N/A N/A 6-1/2 in N/A 5-1/8 in N/A 23/32 in N/A 1-11/16 in N/A 43/64 in N/A 5/8 in
SF35 N/A UCF 211-35 N/A 2 3/16 in N/A 6-1/2 in N/A 5-1/8 in N/A 23/32 in N/A 1-11/16 in N/A 43/64 in N/A 5/8 in
SF36 N/A UCF 212-36 N/A 2 1/4 in N/A 6-7/8 in N/A 5-5/8 in N/A 23/32 in N/A 1-7/8 in N/A 43/64 in N/A 5/8 in
SF60MM N/A UCF 212 N/A N/A 6-7/8 in N/A 5-5/8 in N/A 23/32 in N/A 1-7/8 in N/A 43/64 in N/A 5/8 in
SF38 N/A UCF 212-38 N/A 2.375 in N/A 6-7/8 in N/A 5-5/8 in N/A 23/32 in N/A 1-7/8 in N/A 43/64 in N/A 5/8 in
SF39 N/A UCF 212-39 N/A 2 7/16 in N/A 6-7/8 in N/A 5-5/8 in N/A 23/32 in N/A 1-7/8 in N/A 43/64 in N/A 5/8 in
SF40 N/A UCF 213-40 N/A 2 1/2 in N/A 7-3/8 in N/A 5-7/8 in N/A 7/8 in N/A 1-31/32 in N/A 43/64 in N/A 5/8 in
SF65MM N/A UCF 213 N/A N/A 7-3/8 in N/A 5-7/8 in N/A 7/8 in N/A 1-31/32 in N/A 43/64 in N/A 5/8 in
SF43 N/A UCF 214-43 N/A 2 11/16 in N/A 7-19/32 in N/A 5-63/64 in N/A 29/32 in N/A 2-1/8 in N/A 3/4 in N/A 11/16 in
SF44 N/A UCF 214-44 N/A 2 3/4 in N/A 7-19/32 in N/A 5-63/64 in N/A 29/32 in N/A 2-1/8 in N/A 3/4 in N/A 11/16 in
SF70MM N/A UCF 214 N/A N/A 7-19/32 in N/A 5-63/64 in N/A 29/32 in N/A 2-1/8 in N/A 3/4 in N/A 11/16 in
SF47 N/A UCF 215-47 N/A 2 15/16 in N/A 7-7/8 in N/A 6 in6-1/4 in N/A 7/8 in N/A 2-7/32 in N/A 3/4 in N/A 11/16 in
SF75MM N/A UCF 215 N/A N/A 7-7/8 in N/A 6 in6-1/4 in N/A 7/8 in N/A 2-7/32 in N/A 3/4 in N/A 11/16 in
SF48 N/A UCF 215-48 N/A 3 in N/A 7-7/8 in N/A 6 in6-1/4 in N/A 7/8 in N/A 2-7/32 in N/A 3/4 in N/A 11/16 in
Unit of Measure
1 2