Action Bearing Co.
201 Brighton Ave., Boston, MA 02134 US
Phone: 800.225.4587 • Fax: 800.252.1996
E-Mail: info@actionbearing.com • Web site: www.actionbearing.com
All Categories > Mounted Units > Standard Duty Mounted Units > NA Inserts > Item # NA31  


Item # NA31, NA Inserts
List Price QUOTE

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.



    •  Specifications 

    (d) Shaft Diameter
    		1 15/16 in

    (D) Dimension
    		3.5433 in

    (Bi) Dimension
    		2.4685 in

    (Be) Dimension
    		0.9449 in

    (N) Dimension
    		0.9685 in

    (M) Dimension
    		0.9685 in

    (I) Dimension
    		0.5315 in

    (K) Dimension
    		2.7520 in

    (H) Dimension
    		0.7205 in

    (G) Dimension
    		0.2677 in

    (Ds) Dimension
    		5/16-24UNF

    Basic Load Rating
    		7.400 lb

    Basic Static Load Rating
    		4.910 lb

    Weight
    		2.29 lb

    Common Options
    		BUC-- Black Oxide Coated insert
    CUC-- Hard Chrome Coated Insert
    HUC-- High Temperature Insert 400F
    L3-- Triple lip labyrinth seal
    NPPA-- Nickel Plated Housing
    S-- Stainless Steel Housing
    SUC-- Stainless Steel Insert
    TP-- Thermoplastic Housing