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QD® Bushing

QD®

The original sheave and pulley mounting system developed to facilitate installation and replacement of components.

The QD® (Quick Detachable) design provides for both conventional (flange outboard) and reverse (flange inboard) mounting configurations.

QD® Bushing Dimensions
Bushing Size  Weight* Nominal Dimensions   Bore Range Bolt Cap Screws Required
A B D F3 G L Min. Full Keyway Shallow Keyway† No Key
D 0.40 lbs. 1/4 in. 1.625 in. 2-1/2 in. 9/16 in. 3/16 in. 1-1/4 in. 3/8 in. 1-7/16 in. - - 2 in. (2) 1/4 x 3/4
JA 0.80 lbs. 5/16 in. 1.375 in. 2 in. 9/16 in. 3/16 in. 1 in. 1/2 in. 1 in. 1-3/16 in. 1-1/4 in. 1-21/32 in. (3) 10-24 x 1
SH 0.90 lbs. 7/16 in. 1.871 in. 2-11/16 in. 3/4 in. 7/32 in. 1-5/16 in. 1/2 in. 1-3/8 in. 1-5/8 in. 1-11/16 in. 2-1/4 in. (3) 1/4-20 x 1-3/8
SDS 1.30 lbs. 7/16 in. 2.187 in. 3-3/16 in. 3/4 in. 1/4 in. 1-5/16 in. 1/2 in. 1-5/8 in. 1-15/16 in. 2 in. 2-11/16 in. (3) 1/4-20 x 1-3/8
SD 1.50 lbs. 7/16 in. 2.187 in. 3-3/16 in. 1-1/4 in. 1/4 in. 1-13/16 in. 1/2 in. 1-5/8 in. 1-15/16 in. 2 in. 2-11/16 in. (3) 1/4-20 x 1-7/8
SK 2.80 lbs. 9/16 in. 2.812 in. 3-29/32 in. 1-1/4 in. 1/4 in. 1-15/16 in. 1/2 in. 2-1/8 in. 2-1/2 in. 2-5/8 in. 3-15/16 in. (3) 5/16-18 x 2
SF 3.90 lbs. 5/8 in. 3.125 in. 4-5/8 in. 1-1/4 in. 1/4 in. 2-1/16 in. 1/2 in. 2-5/16 in. 2-13/16 in. 2-15/16 in. 3-7/8 in. (3) 3/8-16 X 2
E 8.50 lbs. 7/8 in. 3.834 in. 6 in. 1-5/8 in. 1/4 in. 2-3/4 in. 7/8 in. 2-7/8 in. 3-1/2 in. - 5 in. (3) 1/2-13 X 2-3/4
F 14.00 lbs. 1 in. 4.437 in. 6-5/8 in. 2-1/2 in. 11/32 in. 3-3/4 in. 1 in. 3-5/16 in. 3-15/16 in. 4 in. 5-5/8 in. (3) 9/16-12 X 3-5/8
J 22.00 lbs. 1-1/8 in. 5.145 in. 7-1/4 in. 3-3/16 in. 7/16 in. 4-5/8 in. 1-1/2 in. 3-3/4 in. 4-1/2 in. - 6-1/4 in. (3) 5/8-11 X 4-1/2
M 49.00 lbs. 1-1/4 in. 6.496 in. 9 in. 5-3/16 in. 7/16 in. 6-3/4 in. 2 in. 4-3/4 in. 5-1/2 in. - 7-7/8 in. (4) 3/4-10 X 6-3/4

 

 

QD® Bushings - Standard Metric Bore & Keyways
Bore Key**
W  x  T
Bushing Sizes
24 8 x 7 SH  SDS  SD  SK
25 8 x 7 SH  SDS  SD  SK
28 8 x 7 SH  SDS  SD  SK  SF
30 8 x 7 SH  SDS  SD  SK  SF
32 10 x 8 SH  SDS  SD  SK  SF
35 10 x 8 SH  SDS  SD  SK  SF  E
38 10 x 8 SDS  SD  SK  SF  E
40 12 x 8 SDS  SD  SK  SF  E
42 12 x 8 SDS  SD  SK  SF  E
48 14 x 9 SK  SF  E  F
50 14 x 9 SK  SF  E  F  J
55 16 x 10 SK  SF  E  F  J
60 18 x 11 SF  E  F  J
65 18 x 11 E  F  J
70 20 x 12 E  F  J
75 20 x 12 E  F  J
80 22 x 14 F  J
85 22 x 14 F  J
90 25 x 14 F  J
95 25 x 14 J
100 28 x 16 J

Contact Us Today If you have questions, comments, need immediate assistance or more information, please don’t hesitate to call Bando USA at (630) 773-6600 or fill out our contact form by clicking the Contact Us Today button.