LUBRICATION-FREE
(EXTRA) HEAVY DUTY
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Inches – Heavy Duty
| Right thread |
Left thread |
B +.0015 -.0005 |
W +.000 -.005 |
H ±.005 |
A ±.010 |
D +.000 -.020 |
Ball dia. Ref. |
C +.062 -.031 |
Thread UNJF-3A |
a° | Max static load radially Lbs |
Weight Lbs |
| RAM-3 | RAB-3 | .1900 | .312 | .250 | 1.250 | .625 | .437 | .750 | 10-321 | 13 | 2,851 | .028 |
| RAM-4 | RAB-4 | .2500 | .375 | .281 | 1.562 | .750 | .500 | 1.000 | 1/4-28 | 16 | 5,260 | .043 |
| RAM-5 | RAB-5 | .3125 | .437 | .344 | 1.875 | .875 | .625 | 1.187 | 5/16-24 | 14 | 7,125 | .072 |
| RAM-6 | RAB-6 | .3750 | .500 | .406 | 1.938 | 1.000 | .719 | 1.187 | 3/8-24 | 12 | 8,939 | .112 |
| RAM-7 | RAB-7 | .4375 | .562 | .437 | 2.125 | 1.125 | .812 | 1.312 | 7/16-20 | 14 | 9,663 | .160 |
| RAM-8 | RAB-8 | .5000 | .625 | .500 | 2.438 | 1.312 | .937 | 1.437 | 1/2-20 | 12 | 15,500 | .249 |
| RAM-10 | RAB-10 | .6250 | .750 | .562 | 2.625 | 1.500 | 1.125 | 1.562 | 5/8-18 | 16 | 17,148 | .382 |
| RAM-10-12* | RAB-10-12* | .6250 | .875 | .687 | 2.875 | 1.750 | 1.312 | 1.687 | 3/4-16 | 14 | 27,021 | .602 |
| RAM-12 | RAB-12 | .7500 | .875 | .687 | 2.875 | 1.750 | 1.312 | 1.687 | 3/4-16 | 14 | 27,021 | .602 |
*On request.
Inches – Extra Heavy Duty
| Right thread |
Left thread |
B +.0015 -.0005 |
W +.000 -.005 |
H ±.005 |
A ±.010 |
D +.000 -.020 |
Ball dia. Ref. |
C +.062 -.031 |
Thread UNJF-3A |
a° | Max static load radially Lbs |
Weight Lbs |
| RXAM-3 | RXAB-3 | .1900 | .312 | .250 | 1.562 | .750 | .437 | 1.000 | 1/4-28 | 10 | 5,260 | .043 |
| RXAM-4 | RXAB-4 | .2500 | .375 | .281 | 1.875 | .875 | .500 | 1.187 | 5/16-24 | 13 | 8,452 | .072 |
| RXAM-5 | RXAB-5 | .3125 | .437 | .344 | 1.938 | 1.000 | .625 | 1.187 | 3/8-24 | 12 | 12,978 | .112 |
| RXAM-6 | RXAB-6 | .3750 | .500 | .406 | 2.125 | 1.125 | .719 | 1.312 | 7/16-20 | 10 | 17,508 | .160 |
| RXAM-7 | RXAB-7 | .4375 | .562 | .437 | 2.438 | 1.312 | .812 | 1.437 | 1/2-20 | 12 | 22,760 | .249 |
| RXAM-8 | RXAB-8 | .5000 | .625 | .500 | 2.625 | 1.500 | .937 | 1.562 | 5/8-18 | 10 | 30,579 | .382 |
| RXAM-10 | RXAB-10 | .6250 | .750 | .562 | 2.875 | 1.750 | 1.125 | 1.687 | 3/4-16 | 13 | 39,674 | .602
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| 1Thread UNF-3A |
Max load applies only to rod ends without lubrication nipple. The rod end is supplied without lubrication nipple as standard. If lubrication nipple is desired, add suffix
as follows:
Z type Zerk lubrication nipple XM-6Z
F type Flush lubrication nipple XM-6F
T type PTFE liner XM-6T
| Conversion table | |||
| inch | x 25.4 | = millimeter | |
| millimeter | x .0937 | = tum | |
| tum2 | x 6.4515 | = centimeter2 | |
| centimeter2 | x .155 | = inch2 | |
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| pounds | x .4536 | = kilogram | |
| kilogram | x 2.2046 | = pounds | |
| lbs per inch2 | x .0703 | = kg per cm2 | |
| kg per cm2 | x 14.2231 | = lbs per inch2 | |
| pounds (force) | x 4.448 | = newtons | |
| newtons | x .2248 | = pounds (force) | |
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| Degrees C = (Degrees F – 32)(.5556) | |||
| Degrees F = (Degrees C)(1.8) + 32 | |||