ANSI and National  Standard Bushings
Headless Press Fit
   
Type P All press fit bushings have lapped, honed or ground I.D.'s. 
Bushings with I.D.'s up to 1.0" are concentric to .0003" max.
T. I. R. to the O.D.  Larger sizes are concentric to .0005" T.I.R.
to the O.D. 
National bushings are not counterbored.
             A   B C    
  Standard ID Sizes Range in Body O.D. Length ANSI Price
Number, Letter, Or Fraction Sizes Inches Nominal (Actual) (Overall) Symbol Type "P"  Code **
  .0135     1/4   P-10-4 230
80, 79, 1/64, 78, 77, 76, 75, 74 to   5/32   5/16   P-10-5 237
73, 72, 71, 70 .0280 (.1578 / .1575)   3/8   P-10-6 240
        1/2   P-10-8 244
        1/4   P-10-4 212
69, 68, 1/32, 67, 66, 65, 64, 63, .0292   5/32   5/16   P-10-5 218
62, 61, 60, 59, 58, 57, 56, 3/64 to (.1578 / .1575)   3/8   P-10-6 221
  .0469   1/2   P-10-8 223
        3/4   P-10-12 251
        1/4   P-10-4 194
  .0520   5/32   5/16   P-10-5 199
55, 54, 53, 1/16 to (.1578 / .1575)   3/8   P-10-6 203
  .0625   1/2   P-10-8 204
        3/4   P-10-12 228
        1/4   P-12-4 133
1/16, 52, 51, 50, 49, 48, 5/64, .0625   3/16   5/16   P-12-5 140
47, 46, 45, 44, 43, 42, 3/32, 41, to (.1891 / .1888)   3/8   P-12-6 143
40, 39 .0995   1/2   P-12-8 145
        5/8   P-12-10 157
        3/4   P-12-12 161
        1/4   P-13-4 203
60, 59, 58, 57, 56, 3/64, 55, 54, .0400  13/64   5/16   P-13-5 209
53 to (.2046 / .2043)   3/8   P-13-6 213
  .0595   1/2   P-13-8 216
        3/4   P-13-12 244
        1/4   P-13-4 133
        5/16   P-13-5 140
1/16, 52, 51, 50, 49, 48, 5/64, .0625  13/64   3/8   P-13-6 143
47, 46, 45, 44, 43, 42, 3/32, 41, to (.2046 / .2043)   1/2   P-13-8 145
40, 39 .0995   3/4   P-13-12 161
      1        P-13-16 168
      1-3/8   P-13-22 210
        1/4   P-16-4 123
      5/16   P-16-5 126
40, 39, 38, 37, 36, 7/64, 35, 34, .0980   1/4   3/8   P-16-6 130
33, 32, 31, 1/8, 30, 29, 28, 9/64 to (.2516 / .2513)   1/2   P-16-8 133
  .1406   5/8   P-16-10 137
      3/4   P-16-12 141
      1        P-16-16 149
      1-3/8   P-16-22 192
** Price Code - See Separate Net Price Schedule
NOTE: Headless Press Fit Bushings with .010/.020" rough grinding stock on the O.D. are available,
please call for pricing.   Add the letter "U" to the end of the ANSI Symbol when ordering.  (PU-16-22)
 
6      National Bushing & Manufacturing Corp., 1936 Raymond Dr., Northbrook, IL 60062
back
ANSI and National  Standard Bushings
 Headless Press Fit
Type P I.D. Range   Standard I.D. Tolerance
(Drill Size)     (add to nominal I.D.)
#80 to 1/4             +.0001 to +.0004
Over 1/4 to 3/4             +.0001 to +.0005
Over 3/4 to 1-1/2             +.0002 to +.0006
Over 1-1/2 to 2-3/4             +.0003 to +.0007
             A   B C    
  Standard ID Sizes Range in Body O.D. Length ANSI Price
Number, Letter, Or Fraction Sizes Inches Nominal (Actual) (Overall) Symbol Type "P"  Code **
        1/4   P-20-4 114
      5/16   P-20-5 117
1/8, 30, 29, 28, 9/64, 27, 26, 25, .1250   5/16   3/8   P-20-6 119
24, 23, 5/32, 22, 21, 20, 19, 18, to (.3141 / .3138)   1/2   P-20-8 120
11/64, 17, 16, 15, 14, 13, 3/16, .1935   5/8   P-20-10 122
12, 11, 10,     3/4   P-20-12 124
      1        P-20-16 135
      1-3/8   P-20-22 153
        1/4   P-24-4 109
10, 9, 8, 7, 13/64, 6, 5, 4, 3, .1935   3/8   5/16   P-24-5 113
7/32, 2, 1, to (.3766 / .3763)   3/8   P-24-6 114
  .2280   1/2   P-24-8 118
        3/4   P-24-12 126
        1/4   P-26-4 115
      5/16   P-26-5 115
3/16, 12, 11, 10, 9, 8, 7, 13/64, .1785  13/32   3/8   P-26-6 113
6, 5, 4, 3, 7/32, 2, 1, A, 15/64, to (.4078 / .4075)   1/2   P-26-8 114
B, C, D, 1/4, F .2570   3/4   P-26-12 118
    1        P-26-16 126
      1-3/8   P-26-22 133
      1-3/4   P-26-28 149
        1/4   P-28-4 110
        5/16   P-28-5 112
  .2344   7/16   3/8   P-28-6 113
15/64, 1/4, F, 17/64, 9/32 to (.4392 / .4389)   1/2   P-28-8 114
  .2812   5/8   P-28-10 116
        3/4   P-28-12 118
      1        P-28-16 126
        5/16   P-32-5 111
        3/8   P-32-6 113
3/16, 12, 11, 10, 9, 8, 7, 13/64, .1875   1/2   1/2   P-32-8 114
6, 5, 4, 3, 7/32, 2, 1, A, 15/64, B, to (.5017 / .5014)   3/4   P-32-12 118
C, D, 1/4, F, G, 17/64, H, I, J, K, .3160 1        P-32-16 129
9/32, L, M, 19/64, N, 5/16, O     1-3/8   P-32-22 147
      1-3/4   P-32-28 149
  .3020     3/8   P-36-6 112
N, 5/16, O, P, 21/64, Q, R, 11/32 to   9/16   1/2   P-36-8 111
  .3438 (.5642 / .5639)   3/4   P-36-12 114
      1        P-36-16 117
** Price Code - See Separate Net Price Schedule
NOTE: Headless Press Fit Bushings with .010 / .020 rough grinding stock on the O.D. are available,
please call for pricing.   Add the letter "U" to the end of the ANSI Symbol when ordering.  (PU-16-22)
 
                                 Phone: 847-480-3030    Fax: 847-480-3576 7
[back]
ANSI and National  Standard Bushings
Headless Press Fit
   
Type P All press fit bushings have lapped, honed or ground I.D.'s. 
Bushings with I.D.'s up to 1.0" are concentric to .0003" max
T. I. R. to the O.D.  Larger sizes are concentric to .0005" T.I.R.
to the O.D. 
National bushings are not counterbored.
             A   B C    
Standard ID Sizes Range in Body O.D. Length ANSI Price
Number, Letter, Or Fraction Sizes Inches Nominal (Actual) (Overall) Symbol Type "P"  Code **
        5/16   P-40-5 110
      3/8   P-40-6 111
5/16, O, P, 21/64, Q, R, 11/32, .3125   5/8   1/2   P-40-8 111
S, T, 23/64, U, 3/8, V, W, 25/64, to (.6267 / .6264)   5/8   P-40-10 113
X, Y, 13/32, Z, 27/64, 7/16 .4375   3/4   P-40-12 114
    1        P-40-16 117
      1-1/4   P-40-20 132
      1-3/8   P-40-22 132
      1-3/4   P-40-28 141
      2-1/8   P-40-34 155
        3/8   P-48-6 114
      1/2   P-48-8 114
5/16, O, P, 21/64, Q, R, 11/32, .3125   3/4   5/8   P-48-10 116
S, T, 23/64, U, 3/8, V, W, 25/64, to (.7518 / .7515   3/4   P-48-12 117
X, Y, 13/32, Z, 27/64, 7/16, .5312 1        P-48-16 123
29/64, 15/32, 31/64, 1/2, 33/64,   1-1/4   P-48-20 133
17/32     1-3/8   P-48-22 133
      1-3/4   P-48-28 143
      2-1/8   P-48-34 160
      2-1/2   P-48-40 225
        1/2   P-56-8 123
      5/8   P-56-10 124
1/2, 33/64, 17/32, 35/64, 9/16, .5000   7/8   3/4   P-56-12 125
37/64, 19/32, 39/64, 5/8, 41/64, to (.8768 / .8765) 1        P-56-16 128
21/32 .6562 1-1/4   P-56-20 132
    1-3/8   P-56-22 132
      1-1/2   P-56-24 138
      1-3/4   P-56-28 144
      2-1/8   P-56-34 155
      2-1/2   P-56-40 167
        1/2   P-64-8 124
      5/8   P-64-10 125
1/2, 33/64, 17/32, 35/64, 9/16, .5000 1   3/4   P-64-12 125
37/64, 19/32, 39/64, 5/8, 41/64, to (1.0018 / 1.0015) 1        P-64-16 128
21/32, 43/64, 11/16, 45/64, .7656 1-1/4   P-64-20 132
23/32, 47/64, 3/4, 49/64   1-3/8   P-64-22 132
      1-1/2   P-64-24 139
      1-3/4   P-64-28 146
      2-1/8   P-64-34 156
      2-1/2   P-64-40 174
      3   P-64-48 232
** Price Code - See Separate Net Price Schedule
NOTE: Headless Press Fit Bushings with .010 / .020 rough grinding stock on the O.D. are available,
please call for pricing.   Add the letter "U" to the end of the ANSI Symbol when ordering.  (PU-16-22)
 
8    National Bushing & Manufacturing Corp., 1936 Raymond Dr., Northbrook, IL 60062
[back]
ANSI and National Standard Bushings
Headless Press Fit
   
Type P I.D. Range   Standard I.D. Tolerance
(Drill Size)      (add to nominal I.D.)
#80 to 1/4             +.0001 to +.0004
Over 1/4 to 3/4             +.0001 to +.0005
Over 3/4 to 1-1/2             +.0002 to +.0006
Over 1-1/2 to 2-3/4             +.0003 to +.0007
             A   B C    
Standard ID Sizes Range in Body O.D. Length ANSI Price
Number, Letter, Or Fraction Sizes Inches Nominal (Actual) (Overall) Symbol Type "P"  Code **
  .7812     1/2   P-72-8 153
25/32, 13/16, 27/32 to 1-1/8   3/4   P-72-12 141
  .8438 (1.1270 / 1.1267) 1        P-72-16 153
        5/8   P-80-10 147
        3/4   P-80-12 141
  .8750 1-1/4 1        P-80-16 153
7/8, 15/16 to (1.2520 / 1.2517) 1-1/4   P-80-20 162
  .9375   1-1/2   P-80-24 170
      1-3/4   P-80-28 178
      2   P-80-32 194
        1/2   P-88-8 153
      3/4   P-88-12 141
3/4, 49/64, 25/32, 51/64, 13/16, .7500 1-3/8 1        P-88-16 153
53/64, 27/32, 55/64, 7/8, 57/64, to (1.3772 / 1.3768) 1-1/4   P-88-20 162
29/32, 59/64, 15/16, 6//64, 1.0312 1-3/8   P-88-22 162
31/32, 63/64, 1", 1-1/64, 1-1/32   1-1/2   P-88-24 170
    1-3/4   P-88-28 178
    2   P-88-32 194
      2-1/8   P-88-34 194
      2-1/2   P-88-40 210
      3   P-88-48 262
        3/4   P-96-12 173
  1.0312 1-1/2 1        P-96-16 162
1-1/32, 1-1/16, 1-3/32, 1-1/8 to (1.5022/1.5018) 1-1/4   P-96-20 173
  1.125   1-1/2   P-96-24 180
      1-3/4   P-96-28 186
      2   P-96-32 205
1", 1-1/64, 1-1/32, 1-3/64,       3/4   P-112-12 173
1-1/16, 1-5/64, 1-3/32, 1-7/64, 1.0000   1        P-112-16 162
1-1/8, 1-9/64, 1-5/32, 1-11/64, to 1-3/4 1-3/8   P-112-22 173
1-3/16, 1-13/64, 1-7/32, 1.3906 (1.7523 / 1.7519) 1-3/4   P-112-28 186
1-15/64, 1-1/4, 1-17/64, 1-9/32,   2-1/8   P-112-34 205
1-19/64, 1-5/16, 1-21/64,   2-1/2   P-112-40 256
1-11/32, 1-23/64, 1-3/8, 1-25/64   3   P-112-48 288
1-3/8, 1-25/64, 1-13/32,          
1-27/64, 1-7/16, 1-29/64     1        P-144-16 196
1-15/32, 1-31/64, 1-1/2, 1.3750   1-3/8   P-144-22 210
1-33/64, 1-17/32, 1-35/64, to 2-1/4 1-3/4   P-144-28 223
1-9/16, 1-37/64, 1-19/32, 1.7500 (2.2525/2.2521) 2-1/8   P-144-34 246
1-39/64, 1-5/8, 1-41/64,   2-1/2   P-144-40 264
1-21/32, 1-43/64, 1-11/16,   3   P-144-48 322
1-45/64, 1-23/32, 1-47/64,        
1-3/4          
** Price Code - See Separate Net Price Schedule
NOTE: Headless Press Fit Bushings with .010 / .020 rough grinding stock on the O.D. are available,
please call for pricing.   Add the letter "U" to the end of the ANSI Symbol when ordering.  (PU-16-22)
 
Phone: 847-480-3030    Fax: 847-480-3576
  
                              [back] 9