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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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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

MP60MM N/A UCPX 12 N/A N/A 3 in N/A 10-3/4 in N/A 8-1/8 in N/A 2-11/16 in N/A 1-3/16 in N/A 13/16 in N/A 5/8 in
MP38 N/A UCPX 12-38 N/A 2.375 in N/A 3 in N/A 10-3/4 in N/A 8-1/8 in N/A 2-11/16 in N/A 1-3/16 in N/A 13/16 in N/A 5/8 in
MP39 N/A UCPX 12-39 N/A 2 7/16 in N/A 3 in N/A 10-3/4 in N/A 8-1/8 in N/A 2-11/16 in N/A 1-3/16 in N/A 13/16 in N/A 5/8 in
MP40 N/A UCPX 13-40 N/A 2 1/2 in N/A 3 in N/A 10-3/4 in N/A 8-1/8 in N/A 2-11/16 in N/A 1-3/16 in N/A 13/16 in N/A 5/8 in
MP65MM N/A UCPX 13 N/A N/A 3 in N/A 10-3/4 in N/A 8-1/8 in N/A 2-11/16 in N/A 1-3/16 in N/A 13/16 in N/A 5/8 in
MP43 N/A UCPX 14-43 N/A 2 11/16 in N/A 3-1/2 in N/A 13 in N/A 9 in N/A 3.5000 in N/A 2 in N/A 1-1/16 in N/A 7/8 in
MP44 N/A UCPX 14-44 N/A 2 3/4 in N/A 3-1/2 in N/A 13 in N/A 9 in N/A 3.5000 in N/A 2 in N/A 1-1/16 in N/A 7/8 in
MP70MM N/A UCPX 14 N/A N/A 3-1/2 in N/A 13 in N/A 9 in N/A 3.5000 in N/A 2 in N/A 1-1/16 in N/A 7/8 in
MP75MM N/A UCPX 15 N/A N/A 3-1/2 in N/A 11-3/4 in N/A 9-1/8 in N/A 3.0000 in N/A 1-7/16 in N/A 1 in N/A 7/8 in
MP47 N/A UCPX 15-47 N/A 2 15/16 in N/A 3-1/2 in N/A 11-3/4 in N/A 9-1/8 in N/A 3.0000 in N/A 1-7/16 in N/A 1 in N/A 7/8 in
MP48 N/A UCPX 15-48 N/A 3 in N/A 3-1/2 in N/A 11-3/4 in N/A 9-1/8 in N/A 3.0000 in N/A 1-7/16 in N/A 1 in N/A 7/8 in
MP85MM N/A UCPX 17 N/A N/A 4 in N/A 14 in N/A 11-1/16 in N/A 3.3750 in N/A 1-13/16 in N/A 1 in N/A 7/8 in
MP55 N/A UCPX 17-55 N/A 3 7/16 in N/A 4 in N/A 14 in N/A 11-1/16 in N/A 3.3750 in N/A 1-13/16 in N/A 1 in N/A 7/8 in
MP56 N/A UCPX 17-56 N/A 3 1/2 in N/A 4 in N/A 14 in N/A 11-1/16 in N/A 3.3750 in N/A 1-13/16 in N/A 1 in N/A 7/8 in
MP100MM N/A UCPX 20 N/A N/A 5 in N/A 17 in N/A 13-1/4 in N/A 4.0000 in N/A 2 in N/A 1.13 in N/A 1 in
MP63 N/A UCPX 20-63 N/A 3 15/16 in N/A 5 in N/A 17 in N/A 13-1/4 in N/A 4.0000 in N/A 2 in N/A 1.13 in N/A 1 in
MP64 N/A UCPX 20-64 N/A 4 in N/A 5 in N/A 17 in N/A 13-1/4 in N/A 4.0000 in N/A 2 in N/A 1.13 in N/A 1 in
Unit of Measure
1 2