HOW TO ORDER U.S. TSUBAKI STOCK SPROCKETS
No. 50
Chain Data Size
50
Pitch
5/8" 3/8"
Inside Width
5/8” Pitch
QD
Roller Diameter
0.400" 0.343"
Nominal Tooth Width:
A 50 SH 19 How to Order Code: Example Model # for 50 Pitch QD Carbon Steel Sprockets
Altered !!
Chain Pitch in Inches
QD Hub Type
Number of Teeth
12
14
16
JA: QD Hub 12 - 16 tooth sprocket
13
15
17
19
SH: QD Hub 17 - 19 tooth sprocket
18
20
24
28
36
48
21
25
30
40
SDS: QD Hub 20 - 48 tooth sprocket
A: Alteration Required
50: 5/8" Pitch
22
26
32
42
23
27
35
45
54
70
SK: QD Hub 54 - 72 tooth sprocket
60
72
!! Alteration field only to be denoted if a deviation from standard required. Please reference alterations in engineering section
80
96
SF: QD Hub 80 - 112 tooth sprocket
84
112
!! Alteration field only to be denoted if a deviation from standard is required. Please reference Alterations in engineering section, page 210.
QD bushing is not included with the sprocket. They are to be ordered separately. Please refer to the table below for general guidelines. Specific details are found in the Bushing Section of this catalog beginning on page 188.
QD Bushings
Bushing #
Bore Range
JA SH
0.500 - 1.250" 0.500 - 1.688" 0.500 - 2.000" 0.500 - 2.625" 0.500 - 2.938"
SDS
SK SF
QD is a registered trademark of, and is used under license agreement from Emerson Electric Co.
72
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