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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 1 11/16 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
N/A 1 3/4 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
N/A 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
N/A 1 7/8 in N/A 3.5433 in N/A 2.0315 in N/A 1.1024 in N/A 0.7480 in N/A 1.2835 in N/A 0.8823 in N/A 7.400 lb N/A 4.910 lb
N/A 1 15/16 in N/A 3.5433 in N/A 2.0315 in N/A 1.1024 in N/A 0.7480 in N/A 1.2835 in N/A 0.8823 in N/A 7.400 lb N/A 4.910 lb
N/A N/A 3.5433 in N/A 2.0315 in N/A 1.1024 in N/A 0.7480 in N/A 1.2835 in N/A 0.8823 in N/A 7.400 lb N/A 4.910 lb
N/A 2 in N/A 3.5433 in N/A 2.0315 in N/A 1.1024 in N/A 0.7480 in N/A 1.2835 in N/A 0.8823 in N/A 7.400 lb N/A 4.910 lb
N/A 2 in N/A 3.937 in N/A 2.1890 in N/A 1.1811 in N/A 0.8740 in N/A 1.3150 in N/A 0.9610 in N/A 9.490 lb N/A 6.440 lb
N/A 2 1/8 in N/A 3.937 in N/A 2.1890 in N/A 1.1811 in N/A 0.8740 in N/A 1.3150 in N/A 0.9610 in N/A 9.490 lb N/A 6.440 lb
N/A N/A 3.937 in N/A 2.1890 in N/A 1.1811 in N/A 0.8740 in N/A 1.3150 in N/A 0.9610 in N/A 9.490 lb N/A 6.440 lb
N/A 2 3/16 in N/A 3.937 in N/A 2.1890 in N/A 1.1811 in N/A 0.8740 in N/A 1.3150 in N/A 0.9610 in N/A 9.490 lb N/A 6.440 lb
N/A 2 1/4 in N/A 4.3307 in N/A 2.5630 in N/A 1.2598 in N/A 1 in N/A 1.5630 in N/A 1.0398 in N/A 11.500 lb N/A 7.940 lb
N/A N/A 4.3307 in N/A 2.5630 in N/A 1.2598 in N/A 1 in N/A 1.5630 in N/A 1.0398 in N/A 11.500 lb N/A 7.940 lb
N/A 2.375 in N/A 4.3307 in N/A 2.5630 in N/A 1.2598 in N/A 1 in N/A 1.5630 in N/A 1.0398 in N/A 11.500 lb N/A 7.940 lb
N/A 2 7/16 in N/A 4.3307 in N/A 2.5630 in N/A 1.2598 in N/A 1 in N/A 1.5630 in N/A 1.0398 in N/A 11.500 lb N/A 7.940 lb
N/A 2 15/16 in N/A 5.1181 in N/A 3.0625 in N/A 1.5000 in N/A 1.3125 in N/A 1 3/4 in N/A 1.2344 in N/A 14.620 lb N/A 10.540 lb
N/A N/A 5.1181 in N/A 3.0625 in N/A 1.5000 in N/A 1.3125 in N/A 1 3/4 in N/A 1.2344 in N/A 14.620 lb N/A 10.540 lb
N/A 3 in N/A 5.1181 in N/A 3.0625 in N/A 1.5000 in N/A 1.3125 in N/A 1 3/4 in N/A 1.2344 in N/A 14.620 lb N/A 10.540 lb
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