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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

NA27 N/A 1 11/16 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
NA28 N/A 1 3/4 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
NA45MM N/A 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
NA30 N/A 1 7/8 in N/A 3.5433 in N/A 2.4685 in N/A 0.9449 in N/A 0.9685 in N/A 0.9685 in N/A 0.5315 in N/A 7.400 lb N/A 4.910 lb
NA31 N/A 1 15/16 in N/A 3.5433 in N/A 2.4685 in N/A 0.9449 in N/A 0.9685 in N/A 0.9685 in N/A 0.5315 in N/A 7.400 lb N/A 4.910 lb
NA50MM N/A N/A 3.5433 in N/A 2.4685 in N/A 0.9449 in N/A 0.9685 in N/A 0.9685 in N/A 0.5315 in N/A 7.400 lb N/A 4.910 lb
NA32S N/A 2 in N/A 3.5433 in N/A 2.4685 in N/A 0.9449 in N/A 0.9685 in N/A 0.9685 in N/A 0.5315 in N/A 7.400 lb N/A 4.910 lb
NA32 N/A 2 in N/A 3.937 in N/A 2.8110 in N/A 0.9843 in N/A 1.0906 in N/A 1.0906 in N/A 0.6299 in N/A 9.490 lb N/A 6.440 lb
NA34 N/A 2 1/8 in N/A 3.937 in N/A 2.8110 in N/A 0.9843 in N/A 1.0906 in N/A 1.0906 in N/A 0.6299 in N/A 9.490 lb N/A 6.440 lb
NA55MM N/A N/A 3.937 in N/A 2.8110 in N/A 0.9843 in N/A 1.0906 in N/A 1.0906 in N/A 0.6299 in N/A 9.490 lb N/A 6.440 lb
NA35 N/A 2 3/16 in N/A 3.937 in N/A 2.8110 in N/A 0.9843 in N/A 1.0906 in N/A 1.0906 in N/A 0.6299 in N/A 9.490 lb N/A 6.440 lb
NA36 N/A 2 1/4 in N/A 4.3307 in N/A 3.0630 in N/A 1.0630 in N/A 1.2165 in N/A 1.2165 in N/A 0.6299 in N/A 11.500 lb N/A 7.490 lb
NA60MM N/A N/A 4.3307 in N/A 3.0630 in N/A 1.0630 in N/A 1.2165 in N/A 1.2165 in N/A 0.6299 in N/A 11.500 lb N/A 7.490 lb
NA38 N/A 2.375 in N/A 4.3307 in N/A 3.0630 in N/A 1.0630 in N/A 1.2165 in N/A 1.2165 in N/A 0.6299 in N/A 11.500 lb N/A 7.490 lb
NA39 N/A 2 7/16 in N/A 4.3307 in N/A 3.0630 in N/A 1.0630 in N/A 1.2165 in N/A 1.2165 in N/A 0.6299 in N/A 11.500 lb N/A 7.490 lb
NA40 N/A 2 1/2 in N/A 4.7244 in N/A 3.3740 in N/A 1.1024 in N/A 1.3425 in N/A 1.3425 in N/A 0.6890 in N/A 12.400 lb N/A 8.760 lb
NA65MM N/A N/A 4.7244 in N/A 3.3740 in N/A 1.1024 in N/A 1.3425 in N/A 1.3425 in N/A 0.6890 in N/A 12.400 lb N/A 8.760 lb
NA44 N/A 2 3/4 in N/A 4.9213 in N/A 3.3740 in N/A 1.1811 in N/A 1.3425 in N/A 1.3425 in N/A 0.6890 in N/A 13.530 lb N/A 9.620 lb
NA70MM N/A N/A 4.9213 in N/A 3.3740 in N/A 1.1811 in N/A 1.3425 in N/A 1.3425 in N/A 0.6890 in N/A 13.530 lb N/A 9.620 lb
NA47 N/A 2 15/16 in N/A 5.1181 in N/A 3.6260 in N/A 1.2598 in N/A 1.4685 in N/A 1.4685 in N/A 0.6890 in N/A 14.620 lb N/A 10.540 lb
NA75MM N/A N/A 5.1181 in N/A 3.6260 in N/A 1.2598 in N/A 1.4685 in N/A 1.4685 in N/A 0.6890 in N/A 14.620 lb N/A 10.540 lb
NA48 N/A 3 in N/A 5.1181 in N/A 3.6260 in N/A 1.2598 in N/A 1.4685 in N/A 1.4685 in N/A 0.6890 in N/A 14.620 lb N/A 10.540 lb
Unit of Measure
1 2