J&J Racing, Ltd. 103 South Church St. Bally PA 19503   610.845.2848  FAX 610.845.8820 

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 AURORA Bearings & Rod Ends
 


 

PNB-TG & PNB-T  -  Performance Racing 
                                     
Spherical Narrow Series

PWB-TG & PWB-T - Performance Racing 
                                     Spherical Wide Series
  

SPECIFICATIONS

BALL - 52100 steel (AMS 7440), heat treated, hard chrome plated. RACE - Stainless steel (17-4 PH per AMS 5643), heat treated, PTFE lined. PTFE LINER - (AT 3200) Permanently bonded to race inside diameter. Qualified to MIL-B-81820.

PNB-TG & PNB-T 
 
Bearing No.

DIMENSIONS IN INCHES



a
Static Limit Load No Load
Pivotal
Breakaway
Torque in Lbs.
Grooved Plain B
+.0000
-.0005
D
+.0000
-.0005
W
+.005
-.005
H
.005
O
Min.
P
+.000
-.010
S
Min.
G
+.000
-.008
Ball
Dia.
Ref.
Radial
Lbs.
Axial
Lbs.
PNB-5TG PNB-5T .3125 .7500 .375 .281 .419 .035 .020 .650 .562 10 8,750 700 1 - 8
PNB-6TG PNB-6T .3750 .8125 .406 .312 .475 .035 .020 .712 .625 9 10,540 1,100 1 - 8
PNB-7TG PNB-7T .4375 .9062 .437 .343 .530 .035 .020 .806 .687 8 13,200 1,400 3 - 12
PNB-8TG PNB-8T .5000 1.0000 .500 .390 .600 .055 .020 .876 .781 8 17,900 2,100 3 - 12
*PNB-9TG *PNB-9T .5625 1.0937 .562 .437 .670 .060 .020 .972 .875 8 23,200 3,680 3 - 12
PNB-10TG PNB-10T .6250 1.1875 .625 .500 .739 .055 .020 1.063 .968 8 30,500 4,720 3 - 12
PNB-12TG PNB-12T .7500 1.4375 .750 .593 .920 .055 .020 1.313 1.187 8 46,400 6,750 3 - 12

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PWB-TG & PWB-T
  
Bearing No.

DIMENSIONS IN INCHES



a
Static Limit Load No Load
Pivotal
Breakaway
Torque in Lbs.
Grooved Plain B
+.0000
-.0005
D
+.0000
-.0005
W
+.005
-.005
H
.005
O
Min.
P
+.000
-.010
S
Min.
G
+.000
-.008
Ball
Dia.
Ref.
Radial
Lbs.
Axial
Lbs.
PWB-5TG PWB-5T .3125 .6875 .437 .317 .401 .025 .010 .625 .593 14 9,400 1,640 1 - 8
PWB-6TG PWB-6T .3750 .8125 .500 .406 .466 .035 .020 .712 .687 8 13,700 2,630 1 - 8
PWB-7TG PWB-7T .4375 .9375 .562 .442 .537 .035 .020 .837 .781 10 20,700 3,650 3 - 12
PWB-8TG PWB-8T .5000 1.0000 .625 .505 .607 .035 .020 .900 .875 9 21,400 4,970 3 - 12
PWB-9TG PWB-9T .5625 1.1250 .687 .536 .721 .040 .020 1.027 1.000 10 26,600 5,370 3 - 12
PWB-10TG PWB-10T .6250 1.1875 .750 .567 .747 .035 .020 1.087 1.062 12 29,000 6,130 3 - 12
PWB-12TG PWB-12T .7500 1.3750 .875 .630 .887 .055 .020 1.251 1.250 13 37,000 7,730 3 - 12
*Check for availability

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