Cast lron Sheaves |
3BKH |
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Three Groove Sheaves |
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COMABINATION GROOVE |
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for "4L"
or "A"Belts and "5L" or "B" Belts |
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Table No.1 |
Stock Sizes—Finished Bore |
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PART NO. |
DIAMETERS |
Type |
DIMENSIONS |
Wt. Lbs. Less Bush |
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Stock
"H"bushings |
Outside |
Datum "A" |
Datum "B" |
Inside |
F |
L |
P |
C |
X |
G |
E |
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Table No.2 |
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Stock Bores |
Keyseats |
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3BK45H |
4.25" |
3.5" |
3.9" |
2 5/8" |
2 |
2 1/2" |
1 1/4" |
1/2" |
11/16" |
7/8" |
7/16" |
3/16" |
3.90 |
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3/8' |
None |
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3BK47H |
4.45 |
3.70 |
4.10 |
2 11/16 |
2 |
2 1/2 |
1 1/4 |
1/2 |
11/16 |
7/8 |
7/16 |
3/16 |
4.20 |
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7/16 |
None |
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3BK50H |
4.75 |
4.00 |
4.40 |
3 |
2 |
2 1/2 |
1 1/4 |
1/2 |
11/16 |
7/8 |
7/16 |
3/16 |
4.40 |
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1/2 |
1/8"× 1/16" |
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3BK52H |
4.95 |
4.20 |
4.60 |
3 3/16 |
2 |
2 1/2 |
1 1/4 |
1/2 |
11/16 |
7/8 |
7/16 |
3/16 |
4.70 |
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9/16 |
1/8× 1/16 |
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3BK55H |
5.25 |
4.50 |
4.90 |
3 1/2 |
2 |
2 1/2 |
1 1/4 |
1/2 |
11/16 |
7/8 |
7/16 |
3/16 |
5.10 |
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5/8 |
3/16× 3/32 |
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11/16 |
3/16× 3/32 |
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3BK57H |
5.45 |
4.70 |
5.10 |
3 11/16 |
2 |
2 1/2 |
1 1/4 |
1/2 |
11/16 |
7/8 |
7/16 |
3/16 |
5.30 |
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3/4 |
3/16× 3/32 |
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3BK60H |
5.75 |
5.00 |
5.40 |
4 |
3 |
2 1/2 |
1 1/4 |
1/2 |
11/16 |
7/8 |
7/16 |
3/16 |
5.60 |
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13/16 |
3/16× 3/32 |
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3BK62H |
5.95 |
5.20 |
5.60 |
4 3/16 |
3 |
2 1/2 |
1 1/4 |
1/2 |
11/16 |
7/8 |
7/16 |
3/16 |
5.80 |
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7/8 |
3/16× 3/32 |
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3BK65H |
6.25 |
5.50 |
5.90 |
4 1/2 |
3 |
2 1/2 |
1 1/4 |
29/32 |
9/32 |
7/8 |
7/16 |
3/16 |
5.80 |
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15/16 |
1/4× 1/8 |
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3BK67H |
6.45 |
5.70 |
6.10 |
4 11/16 |
3 |
2 1/2 |
1 1/4 |
29/32 |
9/32 |
7/8 |
7/16 |
3/16 |
6.20 |
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1 |
1/4× 1/8 |
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1 1/16 |
1/4× 1/8 |
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3BK70H |
6.75 |
6.00 |
6.40 |
5 |
3 |
2 1/2 |
1 1/4 |
29/32 |
9/32 |
7/8 |
7/16 |
3/16 |
6.60 |
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1 1/8 |
1/4× 1/8 |
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3BK80H |
7.75 |
7.00 |
7.4 |
6 |
3 |
2 1/2 |
1 1/4 |
27/32 |
11/32 |
7/8 |
7/16 |
3/16 |
8.30 |
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1 3/16 |
1/4× 1/8 |
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3BK90H |
8.75 |
8.00 |
8.4 |
7 |
3 |
2 1/2 |
1 1/4 |
27/32 |
11/32 |
7/8 |
7/16 |
3/16 |
9.80 |
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1 1/4 |
1/4
× 1/16* |
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3BK100H |
9.75 |
9.00 |
9.4 |
8 |
3 |
2 1/2 |
1 1/4 |
27/32 |
11/32 |
7/8 |
7/16 |
3/16 |
10.90 |
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1 5/16 |
5/16 × 1/16* |
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3BK110H |
10.75 |
10.00 |
10.4 |
9 |
3 |
2 1/2 |
1 1/4 |
27/32 |
11/32 |
7/8 |
7/16 |
3/16 |
12.10 |
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1 3/8 |
5/16 × 1/16* |
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1 3/8 |
3/8 ×
1/16* |
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3BK120H |
11.75 |
11 |
11.4 |
10 |
3 |
2 1/2 |
1 1/4 |
27/32 |
11/32 |
7/8 |
7/16 |
3/16 |
14.30 |
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1 7/16 |
3/8 ×
1/16* |
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3BK130H |
12.75 |
12.00 |
12.4 |
11 |
3 |
2 1/2 |
1 1/4 |
25/32 |
13/32 |
7/8 |
7/16 |
3/16 |
16.20 |
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1 1/2 |
3/8 ×
1/16* |
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3BK140H |
13.75 |
13.00 |
13.4 |
12 |
3 |
2 1/2 |
1 1/4 |
25/32 |
13/32 |
7/8 |
7/16 |
3/16 |
17.70 |
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3BK160H |
15.75 |
15.00 |
15.4 |
14 |
3 |
2 1/2 |
1 1/4 |
25/32 |
13/32 |
7/8 |
7/16 |
3/16 |
21.00 |
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Millimeter Bores |
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3BK190H |
18.75 |
18.00 |
18.4 |
17 |
3 |
2 1/2 |
1 1/4 |
25/32 |
13/32 |
7/8 |
7/16 |
3/16 |
25.80 |
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10 mm |
None |
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11 |
None |
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12 |
None |
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14 |
5 mm ×2.5mm |
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16 |
5
×2.5mm |
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18 |
6 ×3 |
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19 |
6 ×3 |
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20 |
6 ×3 |
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22 |
6 ×3 |
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24 |
8
×3.5 |
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26 |
8
×3.5 |
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28 |
8
×3.5 |
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30 |
8
×3.5 |
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32 |
10 ×4 |
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35 |
10 ×4 |
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36 |
10 ×4 |
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38 |
10 ×4 |
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Sotck Spline Bores |
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.978-10 lnv |
× |
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1 1/8-6B |
× |
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1 3/8-6B |
× |
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1 3/8-21 lnv |
× |
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TYPE 1 |
TYPE 2 |
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Part
Numbers are specified by "H" and bore siz,Example; "H×1 1/16”. |
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*These size
are furnished with special keys to fit standard depth keyseats. |
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