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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 snap ring and set screw lock.

Available with:
  • Set screw or eccentric locking collars.
  • Available in stainless steel and nickel plated styles.
  • Wide inner race
  • Black Oxide Finish
  • B-type seals
  • Available in Free Running or High Temperature styles.
ER-Inserts
Unit of Measure
1 2 

Item #

(d) Shaft Diameter

(D) Dimension

(Bi) Dimension

(Be) Dimension

(N) Dimension

(M) Dimension

(E) Dimension

Basic Load Rating

Basic Static Load Rating

ER12MM N/A N/A 1.8504 in N/A 1.2188 in N/A 0.6250 in N/A 0.4063 in N/A 0.8125 in N/A 0.4844 in N/A 2.740 lb N/A 1.600 lb
ER8 N/A 0.5 in N/A 1.8504 in N/A 1.2188 in N/A 0.6250 in N/A 0.4063 in N/A 0.8125 in N/A 0.4844 in N/A 2.740 lb N/A 1.600 lb
ER15MM N/A N/A 1.8504 in N/A 1.2188 in N/A 0.6250 in N/A 0.4063 in N/A 0.8125 in N/A 0.4844 in N/A 2.740 lb N/A 1.600 lb
ER10 N/A 0.625 in N/A 1.8504 in N/A 1.2188 in N/A 0.6250 in N/A 0.4063 in N/A 0.8125 in N/A 0.4844 in N/A 2.740 lb N/A 1.600 lb
ER17MM N/A N/A 1.8504 in N/A 1.2188 in N/A 0.6250 in N/A 0.4063 in N/A 0.8125 in N/A 0.4844 in N/A 2.740 lb N/A 1.600 lb
ER12 N/A 0.75 in N/A 1.8504 in N/A 1.2188 in N/A 0.6250 in N/A 0.4063 in N/A 0.8125 in N/A 0.4844 in N/A 2.740 lb N/A 1.600 lb
ER20MM N/A N/A 1.8504 in N/A 1.2188 in N/A 0.6250 in N/A 0.4063 in N/A 0.8125 in N/A 0.4844 in N/A 2.740 lb N/A 1.600 lb
ER14 N/A 0.875 in N/A 2.0472 in N/A 1.3750 in N/A 0.7500 in N/A 0.5156 in N/A 0.8594 in N/A 0.6094 in N/A 3.010 lb N/A 1.750 lb
ER15 N/A 0.9375 in N/A 2.0472 in N/A 1.3750 in N/A 0.7500 in N/A 0.5156 in N/A 0.8594 in N/A 0.6094 in N/A 3.010 lb N/A 1.750 lb
ER25MM N/A N/A 2.0472 in N/A 1.3750 in N/A 0.7500 in N/A 0.5156 in N/A 0.8594 in N/A 0.6094 in N/A 3.010 lb N/A 1.750 lb
ER16 N/A 1 in N/A 2.0472 in N/A 1.3750 in N/A 0.7500 in N/A 0.5156 in N/A 0.8594 in N/A 0.6094 in N/A 3.010 lb N/A 1.750 lb
ER17 N/A 1.0625 in N/A 2.4409 in N/A 1.5000 in N/A 0.8661 in N/A 0.6260 in N/A 0.8740 in N/A 0.6760 in N/A 4.200 lb N/A 2.430 lb
ER18 N/A 1.125 in N/A 2.4409 in N/A 1.5000 in N/A 0.8661 in N/A 0.6260 in N/A 0.8740 in N/A 0.6760 in N/A 4.200 lb N/A 2.430 lb
ER30MM N/A N/A 2.4409 in N/A 1.5000 in N/A 0.8661 in N/A 0.6260 in N/A 0.8740 in N/A 0.6760 in N/A 4.200 lb N/A 2.430 lb
ER19 N/A 1.1875 in N/A 2.4409 in N/A 1.5000 in N/A 0.8661 in N/A 0.6260 in N/A 0.8740 in N/A 0.6760 in N/A 4.200 lb N/A 2.430 lb
ER20S N/A 1.25 in N/A 2.4409 in N/A 1.5000 in N/A 0.8661 in N/A 0.6260 in N/A 0.8740 in N/A 0.6760 in N/A 4.200 lb N/A 2.430 lb
ER20 N/A 1.25 in N/A 2.8346 in N/A 1.6890 in N/A 0.9449 in N/A 0.6890 in N/A 1 in N/A 0.7547 in N/A 5.535 lb N/A 3.340 lb
ER21 N/A 1.3125 in N/A 2.8346 in N/A 1.6890 in N/A 0.9449 in N/A 0.6890 in N/A 1 in N/A 0.7547 in N/A 5.535 lb N/A 3.340 lb
ER22 N/A 1.375 in N/A 2.8346 in N/A 1.6890 in N/A 0.9449 in N/A 0.6890 in N/A 1 in N/A 0.7547 in N/A 5.535 lb N/A 3.340 lb
ER35MM N/A N/A 2.8346 in N/A 1.6890 in N/A 0.9449 in N/A 0.6890 in N/A 1 in N/A 0.7547 in N/A 5.535 lb N/A 3.340 lb
ER23 N/A 1.4375 in N/A 2.8346 in N/A 1.6890 in N/A 0.9449 in N/A 0.6890 in N/A 1 in N/A 0.7547 in N/A 5.535 lb N/A 3.340 lb
ER24 N/A 1.5 in N/A 3.1496 in N/A 1.9370 in N/A 1.1024 in N/A 0.7480 in N/A 1.1890 in N/A 0.9122 in N/A 6.375 lb N/A 3.960 lb
ER25 N/A 1.5625 in N/A 3.1496 in N/A 1.9370 in N/A 1.1024 in N/A 0.7480 in N/A 1.1890 in N/A 0.9122 in N/A 6.375 lb N/A 3.960 lb
ER40MM N/A N/A 3.1496 in N/A 1.9370 in N/A 1.1024 in N/A 0.7480 in N/A 1.1890 in N/A 0.9122 in N/A 6.375 lb N/A 3.960 lb
ER26 N/A 1 5/8 in N/A 3.3465 in N/A 1.9370 in N/A 1.1024 in N/A 0.7480 in N/A 1.1890 in N/A 0.9122 in N/A 7.110 lb N/A 4.460 lb
Unit of Measure
1 2