TB Bushing Sizes

TB Bushing Sizes, ANSI Part Numbers, I.D. and O.D.
TB Type Drawing

A
Standard I.D. Sizes 
B
Body O.D. Nominal
(Actual)
C
Length
 
ANSI Symbol
Type TB
Number, letter, of Fraction sizes Range of Dec. Equiv.
55, 54, 53, 1/16, 52, 51, 50, 49, 48, 5/64, 47, 46, 45, 44, 43, 42, 3/32, 41, 40, 39, 38, 37, 36, 7/64, 35, 34, 33 32, 31, 1/18, 30, 29, 28, 9/64, 27, 26, 25, 24, 23, 5/32, 22, 21, 20, 19, 18, 11/64, 17, 16, 15, 14, 13, 3/16, 12, 11, 10, 9 .0520 – .1960 3/8
(.377 / .380 )
Med Serration
3/8
1/2
TB-24-6-4
TB-24-6-5
TB-24-8-5
TB-24-8-6
TB-24-8-7
9, 8, 7, 13/64, 6, 5, 4, 3, 7/32, 2, 1, A, 15/64, B, C, D, E, 1/4, F, G, 17/64, H, I, J, K, 9/32, L, M, 19/64, N, 5/16, O .1960 – .3160 1/2
(.501 / .505 )
Med Serration
3/8
1/2
5/8
TB-32-6-4
TB-32-6-5
TB-32-8-5
TB-32-8-6
TB-32-8-7
TB-32-10-8
5/16, O, P, 21/64, Q, R, 11/32, S, T, 23/64, U, 3/8, V, W, 25/64, X, Y, 13/32, Z, 27/64, 7/16, 29/64, 15/32, 31/64, 1/2 .3125 – .5000 4-Mar 3/8
1/2
5/8
TB-48-6-4
TB-48-6-5
TB-48-8-5
TB-48-8-6
TB-48-8-7
TB-48-10-8