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  • ER-Inserts
  • ER-free-running-inserts

Versatile, cost-effective ER bearings feature a design with an extended inner ring to allow for adapter-free mounting. These rings provide extra shaft support, making ER bearings a popular choice for demanding industries such as construction, packaging, textiles, and conveyance.

Emerson Bearing stocks ER free running inserts in multiple styles. The free running style is a specialized type of ER bearing insert, offering low torque service. We designed these inserts for harsh industrial environments, with flingers built on both sides of the bearing for complete sealing. ER free running inserts operate in extreme temperatures, including -40 to 225°F for standard units and up to 400 to 450°F for high-temperature seals.

Our free running inserts are available in a range of sizes, from 1.8504” by 1.2188” to 3.3465” by 1.9370”. These units cover shaft diameters from 0.5” through 1.5625”, basic loads from 2.740 lbs. through 7.110 lbs., and basic static loads from 1.600 lbs. through 4.460 lbs.

For more information about our ER free running inserts or any of our other standard duty mounted units, contact us directly.    

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Item #

(d) Shaft Diameter

(D) Dimension

(Bi) Dimension

(Be) Dimension

(N) Dimension

(M) Dimension

(E) Dimension

Basic Load Rating

Basic Static Load Rating

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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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