No. 25
STAINLESS STEEL SPROCKET DIMENSIONS
U.S. TSUBAKI STOCK SPROCKETS
HOW TO ORDER
U.S. Tsubaki Stock Sprockets
All dimensions in inches unless noted.
Chain Data Size
No. 25 Stainless Steel Sprocket Diameters
Type “B” Plain Bore
25SS 1/4" 1/8"
No.
No. Teeth
Outside Diameter
Pitch Diameter
Caliper Diameter
Plain Bore 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.375 0.375 0.375 0.375 0.375 0.375 0.500 0.500 0.500
MAX Bore* 0.250 0.250 0.313 0.375 0.438 0.563 0.563 0.563 0.625 0.750 0.813 0.875 0.875 0.938 1.000 1.000
Hub Dia.
Wt. Lbs. 0.03 0.03 0.03 0.06 0.07 0.08 0.10 0.12 0.14 0.16 0.19 0.25 0.28 0.31 0.32 0.33 0.34 0.35 0.36 0.38 0.50 0.53 0.56 1.10
LTB
Pitch
1/4" Pitch: STAINLESS STEEL PLAIN BORE 25
Inside Width
9
0.837 0.919 1.002 1.083 1.167 1.246 1.326 1.407 1.487 1.568 1.648 1.729 1.809 1.889 1.969 2.049 2.129 2.209 2.369 2.529 3.008 3.327 3.725 4.920
0.731 0.809 0.870 0.966 1.045 1.124 1.203 1.282 1.361 1.440 1.519 1.598 1.678 1.757 1.836 1.915 1.995 2.074 2.233 2.392 2.869 3.187 3.584 4.777
0.591 0.679 0.748 0.836 0.907 0.994 1.066 1.152 1.225 1.310 1.383 1.468 1.543 1.627 1.702 1.785 1.861 1.944 2.103 2.262 2.739 3.057 3.452 4.647
0.438 0.500 0.563 0.625 0.719 0.813 0.891 0.969 1.031 1.125 1.219 1.281 1.375 1.438 1.500 1.500 1.500 1.500 1.500 1.500 1.500 2.000 2.000 2.000
0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.750 0.750 0.750 0.750
Roller Diameter
0.130" 0.110"
10
Nominal Tooth Width:
11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 28 30 36 40 45 60
How to Order Code: Example Model # for 25 Pitch Plain Bore Stainless Steel Sprockets
A 25 B 14 SS
Altered !!
Chain Pitch in Inches
Hub Type
Number of Teeth
Material
9
15 16 17 18 19 20
21 22 23 24 25 26
28 30 36 40 45 60
10 11 12 13 14
A: Alteration Required
B: Hub Extension One Side
SS: 304 Stainless Steel Construction
25: 1/4" Pitch
1.000 1.000 1.000 1.000 1.000 1.375 1.375 1.375
!! Alteration field only to be denoted if a deviation from standard is required. Please reference Alterations in engineering section, page 210.
* Dimensions shown allow for standard keyway with set screw at 90 degrees
.110˝ NOMINAL
TOOTH (NOMINAL)
TOOTH (NOMINAL)
TOOTH (NOMINAL)
LTB
LTB
TYPEA
STYLES TYPEB
STYLEE TYPEB
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