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smorjfriRacing series

 


prm

Inches
Right
thread
Left
thread
B
+.0000
-.0005
W
+.000
-.005
H
±.005
A
±.010
D
±.010
Ball dia.
Ref.
C
±.031
 
Thread
UNJF-3A
a° Max
static load
radially
Lbs
  PRM-5T   PRB-5T .3125 .437 .327 1.875 .900 .593 1.187 5/16-24 14 8,300
  PRM-6T   PRB-6T .3750 .500 .416 1.938 1.025 .687 1.187 3/8-24 .8 10,946
  PRM-7T   PRB-7T .4375 .562 .452 2.125 1.150 .781 1.281 7/16-20 10 14,049
  PRM-8T   PRB-8T .5000 .625 .515 2.438 1.337 .875 1.468 1/2-20 9 23,310
  PRM-10T   PRB-10T .6250 .750 .577 2.625 1.525 1.062 1.562 5/8-18 12 25,909
  PRM-12T   PRB-12T .7500 .875 .640 2.875 1.775 1.250 1.687 3/4-16 13 34,319

 

Inches
Right
thread
Left
thread
B
+.0000
-.0005
W
+.000
-.005
H
±.005
A
±.010
D
±.010
Ball dia.
Ref.
C
±.031
 
Thread
UNJF-3A
a° Max
static load
radially
Lbs
  PRXM-4T   PRXB-4T .2500 .375 .337 1.562 .806 .531 .968 5/16-24 6 7,544
  PRXM-5T   PRXB-5T .3125 .437 .327 1.875 .900 .593 1.187 3/8-24 14 9,135
  PRXM-6T   PRXB-6T .3750 .500 .416 1.938 1.025 .687 1.187 7/16-20 .8 10,946
  PRXM-7T   PRXB-7T .4375 .562 .452 2.125 1.150 .781 1.281 1/2-20 10 14,049
  PRXM-8T   PRXB-8T .5000 .625 .515 2.438 1.337 .875 1.468 5/8-18 9 23,310
  PRXM-10T   PRXB-10T .6250 .750 .577 2.625 1.525 1.062 1.562 3/4-16 12 25,909

 

  Conversion table
  inch x 25.4 = millimeter
  millimeter x .0937 = inch
  inch2 x 6.4515 = centimeter2
  centimeter2 x .155 = inch2
 
  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)
 
  Degrees C = (Degrees F – 32)(.5556)
  Degrees F = (Degrees C)(1.8) + 32
 

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