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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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Standard duty with eccentric locking collar.

Available with:
  • Set screw or eccentric locking collars.
  • Available in stainless steel and nickel plated styles.
  • Wide inner race
  • B-type of L3-type seals.
NA-Inserts
Unit of Measure
1 2 

Item #

(d) Shaft Diameter

(D) Dimension

(Bi) Dimension

(Be) Dimension

(N) Dimension

(M) Dimension

(I) Dimension

Basic Load Rating

Basic Static Load Rating

NA12MM N/A N/A 1.8504 in N/A 1.7126 in N/A 0.6299 in N/A 0.6693 in N/A 0.6693 in N/A 0.3740 in N/A 2.740 lb N/A 1.600 lb
NA8 N/A 0.5 in N/A 1.8504 in N/A 1.7126 in N/A 0.6299 in N/A 0.6693 in N/A 0.6693 in N/A 0.3740 in N/A 2.740 lb N/A 1.600 lb
NA15MM N/A N/A 1.8504 in N/A 1.7126 in N/A 0.6299 in N/A 0.6693 in N/A 0.6693 in N/A 0.3740 in N/A 2.740 lb N/A 1.600 lb
NA10 N/A 0.625 in N/A 1.8504 in N/A 1.7126 in N/A 0.6299 in N/A 0.6693 in N/A 0.6693 in N/A 0.3740 in N/A 2.740 lb N/A 1.600 lb
NA17MM N/A N/A 1.8504 in N/A 1.7126 in N/A 0.6299 in N/A 0.6693 in N/A 0.6693 in N/A 0.3740 in N/A 2.740 lb N/A 1.600 lb
NA12 N/A 0.75 in N/A 1.8504 in N/A 1.7126 in N/A 0.6299 in N/A 0.6693 in N/A 0.6693 in N/A 0.3740 in N/A 2.740 lb N/A 1.600 lb
NA20MM N/A N/A 1.8504 in N/A 1.7126 in N/A 0.6299 in N/A 0.6693 in N/A 0.6693 in N/A 0.3740 in N/A 2.740 lb N/A 1.600 lb
NA14 N/A 0.875 in N/A 2.0472 in N/A 1.7441 in N/A 0.6693 in N/A 0.6850 in N/A 0.6850 in N/A 0.3740 in N/A 3.010 lb N/A 1.750 lb
NA15 N/A 0.9375 in N/A 2.0472 in N/A 1.7441 in N/A 0.6693 in N/A 0.6850 in N/A 0.6850 in N/A 0.3740 in N/A 3.010 lb N/A 1.750 lb
NA25MM N/A N/A 2.0472 in N/A 1.7441 in N/A 0.6693 in N/A 0.6850 in N/A 0.6850 in N/A 0.3740 in N/A 3.010 lb N/A 1.750 lb
NA16 N/A 1 in N/A 2.0472 in N/A 1.7441 in N/A 0.6693 in N/A 0.6850 in N/A 0.6850 in N/A 0.3740 in N/A 3.010 lb N/A 1.750 lb
NA17 N/A 1.0625 in N/A 2.4409 in N/A 1.9016 in N/A 0.7480 in N/A 0.7165 in N/A 0.7165 in N/A 0.4685 in N/A 4.200 lb N/A 2.430 lb
NA18 N/A 1.125 in N/A 2.4409 in N/A 1.9016 in N/A 0.7480 in N/A 0.7165 in N/A 0.7165 in N/A 0.4685 in N/A 4.200 lb N/A 2.430 lb
NA30MM N/A N/A 2.4409 in N/A 1.9016 in N/A 0.7480 in N/A 0.7165 in N/A 0.7165 in N/A 0.4685 in N/A 4.200 lb N/A 2.430 lb
NA19 N/A 1.1875 in N/A 2.4409 in N/A 1.9016 in N/A 0.7480 in N/A 0.7165 in N/A 0.7165 in N/A 0.4685 in N/A 4.200 lb N/A 2.430 lb
NA20S N/A 1.25 in N/A 2.4409 in N/A 1.9016 in N/A 0.7480 in N/A 0.7165 in N/A 0.7165 in N/A 0.4685 in N/A 4.200 lb N/A 2.430 lb
NA20 N/A 1.25 in N/A 2.8346 in N/A 2.0118 in N/A 0.7874 in N/A 0.7402 in N/A 0.7402 in N/A 0.5315 in N/A 5.535 lb N/A 3.340 lb
NA21 N/A 1.3125 in N/A 2.8346 in N/A 2.0118 in N/A 0.7874 in N/A 0.7402 in N/A 0.7402 in N/A 0.5315 in N/A 5.535 lb N/A 3.340 lb
NA22 N/A 1.375 in N/A 2.8346 in N/A 2.0118 in N/A 0.7874 in N/A 0.7402 in N/A 0.7402 in N/A 0.5315 in N/A 5.535 lb N/A 3.340 lb
NA35MM N/A N/A 2.8346 in N/A 2.0118 in N/A 0.7874 in N/A 0.7402 in N/A 0.7402 in N/A 0.5315 in N/A 5.535 lb N/A 3.340 lb
NA23 N/A 1.4375 in N/A 2.8346 in N/A 2.0118 in N/A 0.7874 in N/A 0.7402 in N/A 0.7402 in N/A 0.5315 in N/A 5.535 lb N/A 3.340 lb
NA24 N/A 1.5 in N/A 3.1496 in N/A 2.2165 in N/A 0.8268 in N/A 0.8425 in N/A 0.8425 in N/A 0.5315 in N/A 6.375 lb N/A 3.960 lb
NA25 N/A 1.5625 in N/A 3.1496 in N/A 2.2165 in N/A 0.8268 in N/A 0.8425 in N/A 0.8425 in N/A 0.5315 in N/A 6.375 lb N/A 3.960 lb
NA40MM N/A N/A 3.1496 in N/A 2.2165 in N/A 0.8268 in N/A 0.8425 in N/A 0.8425 in N/A 0.5315 in N/A 6.375 lb N/A 3.960 lb
NA26 N/A 1 5/8 in N/A 3.3465 in N/A 2.2165 in N/A 0.8661 in N/A 0.8425 in N/A 0.8425 in N/A 0.5315 in N/A 7.110 lb N/A 4.460 lb
Unit of Measure
1 2