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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.
UCPA-Tapped-Base-Pillow-Blocks
Unit of Measure
1 2 

Item #

Alternative P/N

(d) Shaft Diameter

(H) Dimension

(A) Dimension

(E) Dimension

(B) Dimension

(W) Dimension

(F) Tapped Holes

(D) Min. Tap Depth

TB8 N/A UCPA 201-8 N/A 0.5 in N/A 1-5/16 in N/A 2-7/8 in N/A 2 in N/A 1.5000 in N/A 2-9/16 in N/A 3/8-16 UNC N/A 1/2 in
TB10 N/A UCPA 202-10 N/A 0.625 in N/A 1-5/16 in N/A 2-7/8 in N/A 2 in N/A 1.5000 in N/A 2-9/16 in N/A 3/8-16 UNC N/A 1/2 in
TB17MM N/A UCPA 203 N/A N/A 1-5/16 in N/A 2-7/8 in N/A 2 in N/A 1.5000 in N/A 2-9/16 in N/A 3/8-16 UNC N/A 1/2 in
TB12 N/A UCPA 204-12 N/A 0.75 in N/A 1-5/16 in N/A 2-7/8 in N/A 2 in N/A 1.5000 in N/A 2-9/16 in N/A 3/8-16 UNC N/A 1/2 in
TB20MM N/A UCPA 204 N/A N/A 1-5/16 in N/A 2-7/8 in N/A 2 in N/A 1.5000 in N/A 2-9/16 in N/A 3/8-16 UNC N/A 1/2 in
TB14 N/A UCPA 205-14 N/A 0.875 in N/A 1-7/16 in N/A 3 in N/A 2 in N/A 1.5000 in N/A 2-13/16 in N/A 3/8-16 UNC N/A 1/2 in
TB15 N/A UCPA 205-15 N/A 0.9375 in N/A 1-7/16 in N/A 3 in N/A 2 in N/A 1.5000 in N/A 2-13/16 in N/A 3/8-16 UNC N/A 1/2 in
TB25MM N/A UCPA 205 N/A N/A 1-7/16 in N/A 3 in N/A 2 in N/A 1.5000 in N/A 2-13/16 in N/A 3/8-16 UNC N/A 1/2 in
TB16 N/A UCPA 205-16 N/A 1 in N/A 1-7/16 in N/A 3 in N/A 2 in N/A 1.5000 in N/A 2-13/16 in N/A 3/8-16 UNC N/A 1/2 in
TB17 N/A UCPA 206-17 N/A 1.0625 in N/A 1-11/16 in N/A 4 in N/A 3 in N/A 1.5000 in N/A 3-3/8 in N/A 7/16-14 UNC N/A 5/8 in
TB18 N/A UCPA 206-18 N/A 1.125 in N/A 1-11/16 in N/A 4 in N/A 3 in N/A 1.5000 in N/A 3-3/8 in N/A 7/16-14 UNC N/A 5/8 in
TB30MM N/A UCPA 206 N/A N/A 1-11/16 in N/A 4 in N/A 3 in N/A 1.5000 in N/A 3-3/8 in N/A 7/16-14 UNC N/A 5/8 in
TB19 N/A UCPA 206-19 N/A 1.1875 in N/A 1-11/16 in N/A 4 in N/A 3 in N/A 1.5000 in N/A 3-3/8 in N/A 7/16-14 UNC N/A 5/8 in
TB20S N/A UCPA 206-20 N/A 1.25 in N/A 1-11/16 in N/A 4 in N/A 3 in N/A 1.5000 in N/A 3-3/8 in N/A 7/16-14 UNC N/A 5/8 in
TB20 N/A UCPA 207-20 N/A 1.25 in N/A 1-7/8 in N/A 4-1/4 in N/A 3-1/4 in N/A 1.8750 in N/A 3-3/4 in N/A 1/2-13 UNC N/A 3/4 in
TB21 N/A UCPA 207-21 N/A 1.3125 in N/A 1-7/8 in N/A 4-1/4 in N/A 3-1/4 in N/A 1.8750 in N/A 3-3/4 in N/A 1/2-13 UNC N/A 3/4 in
TB22 N/A UCPA 207-22 N/A 1.375 in N/A 1-7/8 in N/A 4-1/4 in N/A 3-1/4 in N/A 1.8750 in N/A 3-3/4 in N/A 1/2-13 UNC N/A 3/4 in
TB35MM N/A UCPA 207 N/A N/A 1-7/8 in N/A 4-1/4 in N/A 3-1/4 in N/A 1.8750 in N/A 3-3/4 in N/A 1/2-13 UNC N/A 3/4 in
TB23 N/A UCPA 207-23 N/A 1.4375 in N/A 1-7/8 in N/A 4-1/4 in N/A 3-1/4 in N/A 1.8750 in N/A 3-3/4 in N/A 1/2-13 UNC N/A 3/4 in
TB24 N/A UCPA 208-24 N/A 1.5 in N/A 1-15/16 in N/A 4-5/8 in N/A 3-1/2 in N/A 1.8750 in N/A 3-15/16 in N/A 1/2-13 UNC N/A 3/4 in
TB25 N/A UCPA 208-25 N/A 1.5625 in N/A 1-15/16 in N/A 4-5/8 in N/A 3-1/2 in N/A 1.8750 in N/A 3-15/16 in N/A 1/2-13 UNC N/A 3/4 in
TB40MM N/A UCPA 208 N/A N/A 1-15/16 in N/A 4-5/8 in N/A 3-1/2 in N/A 1.8750 in N/A 3-15/16 in N/A 1/2-13 UNC N/A 3/4 in
TB26 N/A UCPA 209-26 N/A 1 5/8 in N/A 2-1/8 in N/A 5 in N/A 3-3/4 in N/A 2.0000 in N/A 4-1/4 in N/A 1/2-13 UNC N/A 3/4 in
TB27 N/A UCPA 209-27 N/A 1 11/16 in N/A 2-1/8 in N/A 5 in N/A 3-3/4 in N/A 2.0000 in N/A 4-1/4 in N/A 1/2-13 UNC N/A 3/4 in
TB28 N/A UCPA 209-28 N/A 1 3/4 in N/A 2-1/8 in N/A 5 in N/A 3-3/4 in N/A 2.0000 in N/A 4-1/4 in N/A 1/2-13 UNC N/A 3/4 in
Unit of Measure
1 2