1B QD Bushed Pulleys
1B series pulleys are manufactured for A, AX, AA, 4L, B, BX, BB, and 5L v-belts and range from 3.75" to 20.35" in diameter. Depending on the pulley size they are made to use with1B Style Pulley Size Chart



|
Bushing Type
|
Type
|
Pitch Diameter (4L/A)
|
Pitch Diameter (5L/B)
|
Outside Diameter
|
(E)
|
(F)
|
(L)
|
(M)
|
Pulley Weight (LBS)
|
---|---|---|---|---|---|---|---|---|---|---|
SH | E | 3.0" | 3.4" | 3.75" | 7/32" | 7/8" | 1-5/16" | 21/32" | 2.0 | |
SH | D | 3.2" | 3.6" | 3.95" | 19/32" | 7/8" | 1-5/16" | 5/32" | 2.2 | |
SH | D | 3.4" | 3.8" | 4.15" | 19/32" | 7/8" | 1-5/16" | 5/32" | 2.4 | |
SH | C | 3.6" | 4.0" | 4.35" | 11/32" | 7/8" | 1-5/16" | 3/32" | 2.7 | |
SH | C | 3.8" | 4.2" | 4.55" | 11/32" | 7/8" | 1-5/16" | 3/32" | 2.9 | |
SH | C | 4.0" | 4.4" | 4.75" | 11/32" | 7/8" | 1-5/16" | 3/32" | 3.4 | |
SDS | C | 4.2" | 4.6" | 4.95" | 11/32" | 7/8" | 1-5/16" | 3/32" | 4.0 | |
SDS | C | 4.4" | 4.8" | 5.15" | 11/32" | 7/8" | 1-5/16" | 3/32" | 4.3 | |
SDS | C | 4.6" | 5.0" | 5.35" | 11/32" | 7/8" | 1-5/16" | 3/32" | 4.7 | |
SDS | C | 4.8" | 5.2" | 5.55" | 11/32" | 7/8" | 1-5/16" | 3/32" | 5.0 | |
SDS | C |
5.0"
|
5.4" | 5.75" | 11/32" | 7/8" | 1-5/16" | 3/32" | 5.3 | |
SDS | C |
5.2"
|
5.6" | 5.95" | 11/32" | 7/8" | 1-5/16" | 3/32" | 5.6 | |
SDS | C | 5.4" | 5.8" | 6.15" | 11/32" | 7/8" | 1-5/16" | 3/32" | 5.9 | |
SDS | C | 5.6" | 6.0" | 6.35" | 11/32" | 7/8" | 1-5/16" | 3/32" | 6.2 | |
SDS | C | 5.8" | 6.2" | 6.55" | 11/32" | 7/8" | 1-5/16" | 3/32" | 6.5 | |
SDS | C | 6.0" | 6.4" | 6.75" | 11/32" | 7/8" | 1-5/16" | 3/32" | 6.8 | |
SDS | C | 6.2" | 6.6" | 6.95" | 11/32" | 7/8" | 1-5/16" | 3/32" | 7.2 | |
SDS | C | 6.4" | 6.8" | 7.15" | 11/32" | 7/8" | 1-5/16" | 3/32" | 7.5 | |
SDS | C | 6.6" | 7.0" | 7.35" | 11/32" | 7/8" | 1-5/16" | 3/32" | 7.8 | |
SDS | D | 7.0" | 7.4" | 7.75" | 17/32" | 1" | 1-5/16" | 7/32" | 8.8 | |
SDS | D | 7.6" | 8.0" | 8.35" | 17/32" | 1" | 1-5/16" | 7/32" | 9.6 | |
SDS | D | 8.2" | 8.6" | 8.95" | 17/32" | 1" | 1-5/16" | 7/32" | 10.0 | |
SDS | D | 9.0" | 9.4" | 9.75" | 17/32" | 1" | 1-5/16" | 7/32" | 10.5 | |
SDS | D | 10.6" | 11.0" | 11.35" | 17/32" | 1" | 1-5/16" | 7/32" | 11.0 | |
SDS | D | 12.0" | 12.4" | 12.75" | 17/32" | 1" | 1-5/16" | 7/32" | 12.0 | |
SDS | D | 13.2" | 13.6" | 13.95" | 17/32" | 1" | 1-5/16" | 7/32" | 14.0 | |
SK | C | 15.0" | 15.4" | 15.75" | 21/32" | 1" | 1-15/16" | 9/32" | 16.0 | |
SK | C | 15.6" | 16.0" | 16.35" | 21/32" | 1" | 1-15/16" | 9/32" | 16.6 | |
SK | C | 18.0" | 18.4" | 18.75" | 21/32" | 1" | 1-15/16" | 9/32" | 18.0 | |
SK | C | 19.6" | 20.0" | 20.35" | 21/32" | 1" | 1-15/16" | 9/32" | 20.0 |