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Martin Catalog QD Bushing JA

Martin Catalog QD Bushing JA

Martin Catalog QD Bushing JA
Martin Catalog QD Bushing JAMartin Catalog QD Bushing JAMartin Catalog QD Bushing JA
CategoriesQD Bushings
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ModelMartin Catalog QD Bushing JA 1-1/4"
ProductQD Bushing JA
Materialsteel C45
CatalogMartin
Surface TreatmentBlackoxided
FOB portShanghai/Ningbo
Terms of PaymentL/C, D/P, Western Union
Update Time2019-06-20
Detail Information
Martin Catalog QD Bushing JA 
Martin Catalog QD Bushing JA 
QD(QuickDetached bushing is widely used with QD sprockets, pulleys and sheaves.

Material including Steel C45 and Stainless 304, process according to Martin QD bushing catalogue.

Products surface blackoxided, for long term use.
Every piece of QD bushing is well inspected, make them work perfectly with QD sprockets, pulleys or sheaves.

Factory has a large inventory, most of the QD bushings can ship within 15days.
Product Specifications
Bushing Name:
JA
Weight:
0.90Lbs
Material:
Steel
Bore:
finished
A:
0.375"
B:
1.375"
D
2.000"
E:
0.688"
F:
0.563"
G:
0.125"
L:
1.000"
Keyway
Yes
SetScrews:
10-24
CapScrews
3-10x1
Installation
1. Be sure the tapered cone surfaces of the busing and the inside of the sprocket hub are clean.
2. Place bushing in sprocket, sheave, pulley or other QD parts. 
3. Place cap screws and lock washers loosely in pulling holes.  Bushing remains fully expanded to assure sliding fit on shaft.
4. With key on shaft, slide sprocket to desired position on shaft. Be sure heads of cap screws are on outside.
5. Align sprocket. Tighten screws alternately and progressively-until they are pulled up tight. To increase leverage, use wrench or length of pipe. Do not allow sprocket to be drawn in contact with flange of bushing; there should be a gap from 1/8” to 1/4”

Caution:
When mounting screws, apply pressure by hand only. If extreme tightening forces are applied, bursting pressures will be created in the sprocket hub. There should be a gap of 1/8” to 1/4” between the face of the sprocket hub and the flange of the QD bushing. The gap must not be closed. If the gap is closed under normal tightening, the shaft is seriously undersized.

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