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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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Medium 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 with greater load carrying capacity than standard duty.
UCPX-Pillow-Blocks
Unit of Measure
1 2 

Item #

Alternative P/N

(d) Shaft Diameter

(H) Dimension

(A) Dimension

(E) Dimension

(B) Dimension

(S2) Dimension

(S1) Dimension

Bolt Used

MP14 N/A UCPX 05-14 N/A 0.875 in N/A 1-11/16 in N/A 6-5/16 in N/A 4-3/4 in N/A 1.7500 in N/A 13/16 in N/A 9/16 in N/A 1/2 in
MP15 N/A UCPX 05-15 N/A 0.9375 in N/A 1-11/16 in N/A 6-5/16 in N/A 4-3/4 in N/A 1.7500 in N/A 13/16 in N/A 9/16 in N/A 1/2 in
MP25MM N/A UCPX 05 N/A N/A 1-11/16 in N/A 6-5/16 in N/A 4-3/4 in N/A 1.7500 in N/A 13/16 in N/A 9/16 in N/A 1/2 in
MP16 N/A UCPX 05-16 N/A 1 in N/A 1-11/16 in N/A 6-5/16 in N/A 4-3/4 in N/A 1.7500 in N/A 13/16 in N/A 9/16 in N/A 1/2 in
MP18 N/A UCPX 06-18 N/A 1.125 in N/A 1-7/8 in N/A 6-17/32 in N/A 5 in N/A 1-29/32 in N/A 7/8 in N/A 9/16 in N/A 1/2 in
MP30MM N/A UCPX 06 N/A N/A 1-7/8 in N/A 6-17/32 in N/A 5 in N/A 1-29/32 in N/A 7/8 in N/A 9/16 in N/A 1/2 in
MP19 N/A UCPX 06-19 N/A 1.1875 in N/A 1-7/8 in N/A 6-17/32 in N/A 5 in N/A 1-29/32 in N/A 7/8 in N/A 9/16 in N/A 1/2 in
MP20 N/A UCPX 06-20 N/A 1.25 in N/A 1-7/8 in N/A 6-17/32 in N/A 5 in N/A 1-29/32 in N/A 7/8 in N/A 9/16 in N/A 1/2 in
MP22 N/A UCPX 07-22 N/A 1.375 in N/A 2-1/8 in N/A 7-1/4 in N/A 5-17/32 in N/A 1.9375 in N/A 15/16 in N/A 9/16 in N/A 1/2 in
MP35MM N/A UCPX 07 N/A N/A 2-1/8 in N/A 7-1/4 in N/A 5-17/32 in N/A 1.9375 in N/A 15/16 in N/A 9/16 in N/A 1/2 in
MP23 N/A UCPX 07-23 N/A 1.4375 in N/A 2-1/8 in N/A 7-1/4 in N/A 5-17/32 in N/A 1.9375 in N/A 15/16 in N/A 9/16 in N/A 1/2 in
MP24 N/A UCPX 08-24 N/A 1.5 in N/A 2-1/8 in N/A 7-1/2 in N/A 5-3/4 in N/A 2.1250 in N/A 13/16 in N/A 19/32 in N/A 1/2 in
MP40MM N/A UCPX 08 N/A N/A 2-1/8 in N/A 7-1/2 in N/A 5-3/4 in N/A 2.1250 in N/A 13/16 in N/A 19/32 in N/A 1/2 in
MP26 N/A UCPX 09-26 N/A 1 5/8 in N/A 2-1/4 in N/A 8 in N/A 6-1/4 in N/A 2.2500 in N/A 15/16 in N/A 23/32 in N/A 5/8 in
MP27 N/A UCPX 09-27 N/A 1 11/16 in N/A 2-1/4 in N/A 8 in N/A 6-1/4 in N/A 2.2500 in N/A 15/16 in N/A 23/32 in N/A 5/8 in
MP28 N/A UCPX 09-28 N/A 1 3/4 in N/A 2-1/4 in N/A 8 in N/A 6-1/4 in N/A 2.2500 in N/A 15/16 in N/A 23/32 in N/A 5/8 in
MP45MM N/A UCPX 09 N/A N/A 2-1/4 in N/A 8 in N/A 6-1/4 in N/A 2.2500 in N/A 15/16 in N/A 23/32 in N/A 5/8 in
MP30 N/A UCPX 10-30 N/A 1 7/8 in N/A 2-1/2 in N/A 8-5/8 in N/A 6-7/8 in N/A 2.3750 in N/A 15/16 in N/A 23/32 in N/A 5/8 in
MP31 N/A UCPX 10-31 N/A 1 15/16 in N/A 2-1/2 in N/A 8-5/8 in N/A 6-7/8 in N/A 2.3750 in N/A 15/16 in N/A 23/32 in N/A 5/8 in
MP50MM N/A UCPX 10 N/A N/A 2-1/2 in N/A 8-5/8 in N/A 6-7/8 in N/A 2.3750 in N/A 15/16 in N/A 23/32 in N/A 5/8 in
MP32 N/A UCPX 10-32 N/A 2 in N/A 2-1/2 in N/A 8-5/8 in N/A 6-7/8 in N/A 2.3750 in N/A 15/16 in N/A 23/32 in N/A 5/8 in
MP34 N/A UCPX 11-34 N/A 2 1/8 in N/A 2-3/4 in N/A 9-17/32 in N/A 7-11/32 in N/A 2.5000 in N/A 1 in N/A 25/32 in N/A 5/8 in
MP55MM N/A UCPX 11 N/A N/A 2-3/4 in N/A 9-17/32 in N/A 7-11/32 in N/A 2.5000 in N/A 1 in N/A 25/32 in N/A 5/8 in
MP35 N/A UCPX 11-35 N/A 2 3/16 in N/A 2-3/4 in N/A 9-17/32 in N/A 7-11/32 in N/A 2.5000 in N/A 1 in N/A 25/32 in N/A 5/8 in
MP36 N/A UCPX 11-36 N/A 2 1/4 in N/A 2-3/4 in N/A 9-17/32 in N/A 7-11/32 in N/A 2.5000 in N/A 1 in N/A 25/32 in N/A 5/8 in
Unit of Measure
1 2