No. 240
PLAIN BORE SPROCKET DIMENSIONS
U.S. TSUBAKI STOCK SPROCKETS
HOW TO ORDER
U.S. Tsubaki Stock Sprockets
All dimensions in inches unless noted.
No. 240 Plain Bore Sprocket Dia.
Type “A” Plain Bore
Type “B” & “C” Plain Bore
Chain Data Size
240
No. Teeth
Outside Dia.
Pitch Dia. 9.708 10.648 11.591 12.536 13.482 14.429 15.377 16.327 17.276 18.227 19.177 20.129 23.936 28.700 33.467 38.237 43.007 51.595 57.322
Caliper Dia.
Plain Bore 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500
Wt. Lbs. 30.00 37.00 45.00 54.00 62.00 68.00 82.00 93.00
Plain Bore 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500
MAX Bore *
Hub Dia.
Hub Type
Hub Style
Wt. Lbs. 49.00 66.00 72.00 81.00 88.00 98.00
240 No.
LTB
Pitch
3"
10 11 12 13 14 15 16 17 18 19 20 21 25 30 35 40 45 54 60
11.030 12.020 13.000 13.970 14.940 15.910 16.880 17.850 18.810 19.780 20.740 21.710 25.550 30.340 35.130 39.920 44.700 53.310 59.040
7.833 8.665 9.716
4.500 4.750 5.375 5.375 5.375 5.375 5.500 5.500 5.500 5.500 5.500 5.500 5.500 6.000 6.000
6.500 7.000 7.500 7.500 7.500 7.500 8.000 8.000 8.000 8.000 8.000 8.000 8.000 9.000 9.000
3.375 3.875 3.875 3.875 3.875 3.875 4.125 4.125 4.125 4.125 4.125 4.125 4.125 6.250 6.250
B B B B B B B B B B B B B C C C C C C
S D D D D D
Inside Width
1.875" 1.875" 1.738"
Roller Diameter 3" Pitch: PLAIN BORE A 240 B 21 How to Order Code: Example Model # for 240 Pitch Plain Bore Carbon Steel Sprockets
Nominal Tooth Width:
10.569 11.607 12.475 13.502 14.382 15.401 16.289 17.302 18.197 22.014 26.825 31.559 36.362 41.106 49.720 55.447
D 120.00 D 137.00 D 142.00 D 154.00 D 169.00 D 186.00 D 254.00 D 398.00 D 527.00 D 672.00 D 850.00 D 1148.00 D 1419.00
108.00 120.00 128.00 148.00 208.00 310.00 416.00 548.00 702.00 1022.00 1268.00
Altered !!
Chain Pitch in Inches
Hub Type
Number of Teeth
10 11 12 13 10 11 12 13 30 35 40
14 15 16 17 14 15 16 17 45 54 60
18 19 20 21 18 19 20 21
25 30 35 40 25
45 54 60
A: No Hub
Extension
7.000 10.000 6.750 7.000 10.000 6.750 7.000 10.000 6.750 7.000 10.000 6.750
A: Alteration Required
240: 3" Pitch
B: Hub Extension One Side
* Dimensions shown allow for standard keyway with set screw at 90 degrees
C: Hub Extension Both Sides
!! Alteration field only to be denoted if a deviation from standard is required. Please reference Alterations in engineering section, page 210.
TOOTH (NOMINAL)
TOOTH (NOMINAL) 1.738˝ NOMINAL
TOOTH (NOMINAL) 1.738˝ NOMINAL
TOOTH (NOMINAL) 1.738˝ NOMINAL
TOOTH (NOMINAL)
TOOTH (NOMINAL)
TOOTH (NOMINAL)
LTB
LTB
LTB
LTB
LTB
LTB
TYPEA
TYPEA
STYLES TYPEB
STYLED TYPEB
STYLED TYPEB
STYLED TYPEC
STYLED TYPEC
STYLES TYPEB
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