Home       Company News       About Douglas       Contact Us       Employment Opportunities       Links       Terms & Conditions

Pulleys & Lagging

Idlers

Magnetic Separators

Material Control Products

Belt Tensioning Systems

Conveyor Accessories
& Information

Engineering & Technical
Information

Product Brochures (PDF)

2007 Catalog (PDF)

Design your conveyor with the Wizard®

Conveyor Component Location & Terminology


  
PULLEYS & LAGGING

Return to Pulleys & Lagging home page.

Wing Pulley
Wing Pulley ID

Hubs & Bushings Interchangeable with QD® Style

The 3/4" taper per ft. is sufficient for gripping of most power transmission shafts. Replacements are available from almost every city in the United States and most countries.

Benefits

  • The biggest advantage of the QD Bushing is its availability
  • Adaptable design used in a variety of applications
  • Design features
    – 3/4" per foot taper
    – 3 or 4 bolt pattern
    – Employs key stock to prevent pulley from rolling on shaft

 


PART NO.

A

B

C

D

E

BOLT

DHQ-SH

3/4

3 1/16

2 13/16

3/8

1.874

3@1/4X1-3/8

DHQ-SDS

3/4

3 5/8

3 3/8

3/8

2.190

3@1/4X1-3/8

DHQ-SK

1 1/8

4 3/4

4 3/8

5/8

2.815

3@5/16X2

DHQ-SF

1 1/4

5 1/4

5

5/8

3.128

3@3/8X2

DHQ-E

1 1/2

6 1/2

6 1/4

5/8

3.837

3@1/2X2-3/4

DHQ-F

1 3/4

6 15/16

6 5/8

11/16

4.440

3@9/16X3-5/8

DHQ-JS

2

7 5/8

7 1/4

3/4

5.148

3@5/8X2-1/2

DHQ-MS

2 1/4

9 1/2

9

1

6.499

4@3/4X3

DHQ-NS

2 1/2

10 1/2

10

1

6.995

4@7/8X3-1/2

DHQ-PS

3

12

11 1/2

1

8.245

4@1X4-1/2

DHQ-WS

3 1/2

15 1/4

14 3/4

1

10.442

4@1-1/8X5

PART NO.

DBQ BORE
RANGE

DBQ MAX
BORE W/
FULL KEY

A

B

C

CAP
SCREW

WRENCH
TORQUE
(ft.-lbs.)

APROX.
WEIGHT @ MAX
FULL KEY (lbs.)

DBQ-SH

1/2-1 5/8

1 3/8

2 11/16

1 5/16

7/16

3(1/4x1 3/8)

9

0.7

DBQ-SDS

1/2-2

1 11/16

3 3/16

1 5/16

7/16

3(1/4x1 3/8)

9

1

DBQ-SK

1/2-2 5/8

2 1/8

3 15/16

1 15/16

9/16

3(5/16x2)

15

2

DBQ-SF

1/2-2 5/16

2 1/2

4 5/8

2 1/16

5/8

3(3/8x2)

30

2.8

DBQ-E

7/8-3 1/2

2 7/8

6

2 3/4

7/8

3(1/2x2 3/4)

60

7.1

DBQ-F

1-4

3 1/4

6 5/8

3 3/4

1

3(9/16x3 5/8)

75

10.6

DBQ-JS

1 1/2-4 1/2

3 1/2

7 1/4

3 3/8

2 15/16

3(5/8x2 1/2)

135

16.6

DBQ-MS

2-5 1/2

4 7/16

9

4 13/16

1 3/16

4(3/4x2 1/2)

225

33.3

DBQ-NS

2 7/16-5 7/8

5

10

6

1 1/2

4(7/8x3 1/2)

300

46.6

DBQ-PS

2 15/16-7

6

11 3/4

6 1/2

1 1/2

4(1x4 1/2)

450

78

DBQ-WS

4-8 1/2

6 1/2

15

7 1/4

1 3/4

4(1 1/8x5)

600

153

Bushing Location Dimensions


Drum


Wing

PART NO.

A

B (DRUM)

B (WING)

C (DRUM)

C (WING)

DBQ-SH

1 5/16

7/16

11/16

15/16

11/16

DBQ-SDS

1 5/16

7/16

11/16

15/16

11/16

DBQ-SK

1 15/16

5/16

9/16

1 11/16

1 7/16

DBQ-SF

2 1/16

1/2

3/4

1 1/2

1 1/4

DBQ-E

2 3/4

3/4

1

2

1 3/4

DBQ-F

3 3/4

11/16

15/16

2 15/16

2 11/16

DBQ-JS

3 3/8

9/16

13/16

1 15/16

1 11/16

DBQ-MS

4 13/16

1 1/8

1 3/8

1 7/8

1 5/8

DBQ-NS

6

1 1/4

1 1/2

2 1/4

2

DBQ-PS

6 1/2

1 1/16

1 5/16

3 7/16

3 3/16

DBQ-WS

7 1/4

1 7/8

2 1/8

3 1/8

2 7/8


QD® is a registered trademark of Emerson Electric.

Return to Pulleys & Lagging home page.


All dimensions and specifications subject to change without notice. Certified dimensions and specifications of ordered material available on request.
Copyright © 2007, Douglas Manufacturing Co., Inc., Pell City, AL 35125-1515, (205) 884-1200, sales@douglasmanufacturing.com. All rights reserved.