SH Type High-Quality Carbon Steel Material Black-phosphated QD Bushing for V Belt Pulleys and Sprockets

Product Description QD Bushings | Quick Disconnect Bushings QD bushings are utilized throughout the industrial power transmission and agricultural industry for various sprockets, sheaves, pulleys, and synchronized drives. They are designed for easy i

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Product Description

Product Description

QD Bushings | Quick Disconnect Bushings

QD bushings are utilized throughout the industrial power transmission and agricultural industry for various sprockets, sheaves, pulleys, and synchronized drives. They are designed for easy installation and easy uninstallation; they are also commonly referred to as quick-disconnect bushings. QD bushings can help conventional mounting with the flange outboard and reverse mounting to where the flange is inboard and utilize a single split that extends through the entire bushing length. Our QD bushings interchange with other brands and are made from high-grade steel precision machined for perfect application fitment. QD bushings' benefits over different styles include; ease of installation/ uninstall, superior holding power, and extreme strengths. We stock all the standard sizes of QD bushings and supply custom QD bushings upon request, including stainless steel ones.

QD Bushing Installation and Removal Instructions

Standard Mounting

1. Be sure that the tapered cone surfaces on the bushing and inside of the driven product are clean and free of oil or anti-seize lubricants.

2. Slide the QD bushing on the shaft, flange the end first, then assemble the key.

3. Position the QD bushing on the shaft. Tighten the set screw over the key (hand tight) with a standard Allen wrench. Do not use excessive force.

4. Slide the large end of the sprocket, or other part taper bore into position over the cone, aligning drilled bolt holes in the sprocket or other part with tapered holes into the bushing flange. Then assemble the pull-up bolts and lock washers.

5. Tighten pull-up bolts alternatively and evenly to the tightness indicated in the torque table below. Do not use extensions on the wrench handles. There should now be a gap between the face of the sprocket or other part hub and the flange of the QD bushing to ensure a good cone grip and press fit. Caution: this gap must not be closed.

Dismounting

1. Remove all pull-up bolts and screw them into tapped holes in the sprocket or another part against the flange of the QD bush the ing to break the cone grip.

2. Loosen the set screw and slide the QD bushing from the shaft.

Applications of QD Bushings

QD Bushings feature a split tapered flange with the split central to the flange and taper. They are used on sprockets, sheaves, and pulleys where more clamping force is required over standard bored-to-size bushings. Bushing products are widely used in compressors, fans, air compressors, pumps, petroleum equipment, conveyors, grain machinery, agricultural machinery, air conditioning, and ventilation equipment. SH Type High-Quality Carbon Steel Material Black-phosphated QD Bushing for V Belt Pulleys and Sprockets

Bushing Type

(A)

(B)

(D)

(E)

(F)

(G)

(L)

Bolt Circle

Cap Screws Required

Min. Stock Bore

Max. Bore W/KW

Max Bore
W/
Shallow KW

Set Screw Size

Avg. Weight(LBS)

0.375"

1.375"

2.000''

0.688''

0.563''

0.210''

1.000''

1.665”

3-10X1

0.375"

1.000"

1.250"

10-24

0.9

0.438"

1.871"

2.688''

0.875''

0.813''

0.243''

1.250''

2.250"

3
0.25X1.375

0.500"

1.375”

1.688"

0.25-20

1.0

SDS

0.500"

2.187"

3.188''

0.875''

0.750''

0.265''

1.315''

2.688"

3-
0.25X1.375

0.500"

1.69''

2.000"

0.25-20

1.0

0.500"

2.187"

3'188''

0.938''

1.250''

0.260''

1.813''

2.688"

3-
0.25X1.875

0.500"

1.69''

1.938"

0.25 -20

1.5

0.563"

2.812"

3.875''

1.375''

1.250''

0.317''

1.875''

3.313''

3-0.313X2

0.500"

2.13''

2.500"

0.313 -18

2.0

0.563"

3.125"

4.625''

1.500''

1.250''

0.322''

2.000"

3.875”

3-0.375X2

0.500"

2.313"

2.316"

0.313-18

3.0

0.750"

3.834"

6.000''

1.875''

1.625''

0.327''

2.625''

5.000"

3-0.5X2.75

0.875"

2.875"

3.500"

0.375-16

10.0

0.813"

4.437"

6.625''

2.813”

2.500"

0.423''

3.625''

5.625"

3
0.563X3.625

1.000"

3.313"

3.938"

0.5-13

11.5

1.000"

5.148"

7.250''

3.500''

3188''

0.423''

4.500''

6.250"

3-0.625X4.5

1.438"

3.750

4.500"

0.625-11

18.0

1.250"

6.500"

9.000"

5.500''

5188"

0.423''

6.750"

7.875"

4-0.75X6.75

1.938"

4.750"

5.500"

0.75-10

37.0

1.500"

7.000"

10.25''

6.625''

6.250"

0.423''

8.125''

8.500''

4-0.875X8.5

2.438"

5.125"

6.000"

0.75-10

57.0

1.750"

8.250"

11.75''

7.625''

7.250''

0423''

9.375''

10.00"

4-1X9.5

2.938"

5.983"

7.000"

0.875-

120.0

2.000"

10.437''

15.00''

9.375"

9.000"

0.564''

11.375''

12.75''

4-
1.125X11.5

4.000"

7.500"

8.500"

1-8

250.0

3.250"

12125''

17.75''

12.50''

0.814''

15.750''

15.00''

5-
1.125X15.5

6.000"

8.250"

10.000"

1.25-7

400.0

Packaging & Shipping

SH Type High-Quality Carbon Steel Material Black-phosphated QD Bushing for V Belt Pulleys and Sprockets

FAQ

Q: Are you trading company or manufacturer ?

A: Our group consists in 3 factories and 2 abroad sales corporations.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?

A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shippment.

Q: What is the exact MOQ or price for your product ?

A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.

If you have another question, please feel free to contact us.

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