AR-12、AR-10、AR-8、AR-7、AR-5、AR-4、AR-3

151
AR and AR-N series extra capacity female rod ends are manufactured with an alloy steel heat treated outer member to
produce higher static load ratings.This series is intended for he***ier duty applicati*** such as linkages on hoists and cranes
or on the ends of hydraulic cylinder connectors.
NOTES
1. Rod ends with Zerk type grease fittings can be obtained by ordering the AR-N series; Example: AR-8N.
2. Grease fittings are ***ailable on sizes 4 through 12 only.
3. Optional flush type fittings are ***ailable on special order by adding “FN” suffix to the part numbers; Example: AR-8FN.
4. Load ratings apply to the AR series only. For AR-N load ratings contact engineering.
5. This series is magnetic particle inspected upon request only.
6. To order left hand threaded units add letter “L” to part number prefix; Example: ARL-8.
7. For design modificati***, see page 173.
*
ROD ENDS & SPHERICAL BEARINGS
AR,AR-N Series Three-Piece Precision Extra Capacity Female Rod
Ends
MATERIAL SPECIFICATI***
OUTER MEMBER - 4130 Alloy steel, heat treated, with protective plating for corrosion resistance
RACE - Carbon steel with protective plating for corrosion resistance
BALL - Alloy steel, heat treated, chrome plated
MISLENGTH
ACROSS BALL MAX. ALIGNBALL
HOUSING HEAD TO CTR. THREAD THREAD BASE WRENCH FLAT STATIC MENT
BORE WIDTH WIDTH DIA. OF BALL LENGTH SIZE DIA. FLATS BALL DIA. RADIAL ANGLE APPROX.
B W H D F A M K J DIA. O LOAD a WEIGHT
PART +.0015 +.000 +.005 +.010 +.010 CLASS +.010 DEG.
NUMBER -.0005 -.005 -.005 -.010 -.010 MIN. UNF-3B REF. -.010 REF. REF. LBS. +/- LBS.
AR-3 .1900 .312 .250 .625 1.062 .531 #10-32 .375 .312 .437 .306 3,700 61/2 .03
AR-4 .2500 .375 .281 .750 1.312 .719 1/4-28 .469 .375 .500 .331 5,370 8 .06
AR-5 .3125 .437 .344 .875 1.375 .719 5/16-24 .531 .437 .625 .447 7,500 7 .08
AR-6 .3750 .500 .406 1.000 1.625 .906 3/8-24 .688 .562 .718 .517 9,570 6 .14
AR-7 .4375 .562 .437 1.125 1.812 1.031 7/16-20 .750 .625 .812 .586 11,000 7 .18
AR-8 .5000 .625 .500 1.312 2.125 1.156 1/2-20 .875 .750 .937 .698 13,500 6 .29
AR-10 .6250 .750 .562 1.500 2.500 1.469 5/8-18 1.000 .875 1.125 .839 17,300 8 .43
AR-12 .7500 .875 .687 1.750 2.875 1.719 3/4-16 1.125 1.000 1.312 .978 23,200 7 .64