Browning 2AK Catalog Page
TWO GROOVE SHEAVES FOR “4L” OR “A” BELTS
“3L” Belts may be used with These Sheaves as Indicated in Table Below
TABLE No. 1
OUTSIDE
DIAMETER
DATUM PITCH
“A” “3L”
TYPE
1
/2”5/8”3/4”7/8”15/16”
PART
o.
N
2AK20 2.00 1.80 1.46 1 X X X 1.375 1.66 0.47 0.19 0.89
2AK21 2.15 1.90 1.56 1 X X X 1.375 1.66 0.47 0.19 0.88
2AK22 2.25 2.00 1.66 1 X X X X 1.375 1.66 0.47 0.19 1
2AK23 2.35 2.10 1. 76 1 X X X 1.375 1.66 0.47 0.19 1. 15
2AK25 2.55 2.30 1.96 1 X X X X 1.375 1.66 0.47 0.19 1.23
2AK26 2.65 2.40 2.06 1 X X X X 1.375 1.66 0.47 0.19 1.55
2AK27 2.75 2.50 2.16 1 X X X X 1.375 1.66 0.47 0.19 1.6
2AK28 2.85 2.60 2.26 1 X X X X 1.375 1.66 0.47 0.19 1.8
2AK30 3.05 2.80 2.46 1 X X X X X X 1.375 1.66 0.47 0.19 2
2AK32 3.25 3.00 2.66 1 X X X X X 1.375 1.66 0.47 0.19 2.2
2AK34 3.45 3.20 2.86 1 X X X X X 1.375 1.65 0.47 0.19 2.45
2AK39 3.75 3.50 3.16 2 X X X X X 1.375 1.34 0.47 0.5 2.04
2AK41 3.95 3.70 3.36 2 X X X X X 1.375 1.34 0.47 0.5 2.95
2AK44 4.25 4.00 3.66 2 X X X X X 1.375 1.34 0.47 0.5 3.15
2AK46 4.45 4.20 3.86 2 X X X 1.375 1.34 0.47 0.5 3.93
2AK49 4.75 4.50 4.16 2 X X X X X 1.375 1.34 0.47 0.5 3.83
2AK51 4.95 4.70 4.36 2 X X X X X 1.375 1.34 0.47 0.5 4.45
2AK54 5.25 5.00 4.66 3 X X X X X X 1.375 1.34 0.47 0.5 3.72
2AK56 5.45 5.20 4.86 3 X X X X X 1.375 1.34 0.47 0.5 3.75
2AK59 5.75 5.50 5.16 3 X X X 1.375 1.34 0.47 0.5 3.97
2AK61 5.95 5.70 5.36 3 X X X X X 1.375 1.34 0.47 0.5 3.95
2AK64 6.25 6.00 5.66 3 X X X X X X 1.375 1.59 0.34 0.13 4.97
2AK74 7.25 7. 0 0 6.66 3 X X X X X X 1.375 1.59 0.34 0.13 5.41
2AK84 8.25 8.00 7.66 3 X X X X X X x 1.375 1.59 0.34 0.13 7. 6
2AK94 9.25 9.00 8.66 3 X X X X X X 1.375 1.59 0.34 0.13 7.48
2AK104 10.25 10.00 9.66 3 X X X X X 1.375 1.59 0.34 0.13 8.99
2AK114 11.25 1 1.0 0 10.66 3 X X X X X 1.375 1.59 0.34 0.12 8.92
2AK124 12.25 12.00 11.66 3 X X X X 1.375 1.59 0.34 0.13 11.52
2AK134 13.25 13.00 12.66 3 X X 1.375 1.59 0.34 0.13 11.88
2AK144 14.25 14.00 13.66 3 X X 1.375 1.59 0.34 0.13 11.1 7
2AK154 15.25 15.00 14.66 3 X X 1.375 1.59 0.53 0.32 14.22
2AK184 18.25 18.00 17.66 3 X X 1.375 1.59 0.53 0.31 18.33
STOCK SIZES - FINISHED BORE
STOCK BORES MARKED “X” DIMENSIONS
1”
1 1/8” 1 3/16” 1 3/8” 1 7/16”
F L P C
WT.
LBS.
HOLLOW HEAD SETSCREWS
PAINTED
STATICALLY BALANCED
INDIVIDUALLY PACKAGED
CLOSE GRAINED CAST IRON
STANDARD KEYSEATS
TABLE No. 2
BORE RANGE KEYSEAT
1
/2”
5
/8” to 7/8”
15
/16 to 1 1/
1 7/
16
4
3
/16” x 3/32”
3
None
1
/4 x 1/
/8 x 3/
8
16
A-23
TWO GROOVE SHEAVES FOR “4L” OR “A” BELTS
“3L” Belts may also be used with These Sheaves as Indicated in Table Below
STOCK SIZES -WITH SPLIT TAPER BUSHINGS
TABLE No.1
PART
NO.
O.D.
DIAMETERS
DATUM
“A”
PITCH
“3L”
TYPE
O.L. F L P C X G E
2AK30H 3.05 2.80 2.46 1 2.40 1.38 1.25 0.87 0.94 0.88 0.43 0.16 1.62
2AK32H 3.25 3.00 2.66 1 2.40 1.38 1.25 0.87 0.94 0.88 0.43 0.16 1.88
2AK34H 3.45 3.20 2.86 1 1.97 1.38 1.25 0.43 0.50 0.88 0.43 0.16 1.52
2AK39H 3.75 3.50 3.16 1 1.97 1.38 1.25 0.43 0.50 0.88 0.43 0.16 1.90
2AK41H 3.95 3.70 3.36 2 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 2.09
2AK44H 4.25 4.00 3.66 2 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 2.59
2AK46H 4.45 4.20 3.86 2 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 2.64
2AK49H 4.75 4.50 4.16 2 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 3.13
2AK51H 4.95 4.70 4.36 2 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 3.28
2AK54H 5.25 5.00 4.66 2 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 3.29
2AK56H 5.45 5.20 4.86 2 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 3.42
2AK59H 5.75 5.50 5.16 3 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 3.52
2AK61H 5.95 5.70 5.36 3 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 3.43
2AK64H 6.25 6.00 5.66 3 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 3.89
2AK74H 7.25 7. 0 0 6.66 3 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 4.38
DIMENSIONS
WT.
LESS
BUSH.
STATICALLY
BALANCED
2AK84H 8.25 8.00 7.66 3 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 5.99
2AK94H 9.25 9.00 8.66 3 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 7.28
2AK104H 10.25 10.00 9.66 3 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 8.40
2AK114H 11.25 11. 0 0 10.66 3 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 8.96
2AK124H 12.25 12.00 11.66 3 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 10.21
2AK134H 13.25 13.00 12.66 3 1.47 1.38 1.25 -0.07 - 0.88 0.43 0.16 11.1 7
2AK144H 14.25 14.00 13.66 3 1.47 1.38 1.25 -0.06 - 0.88 0.43 0.16 12.21
2AK154H 15.25 15.00 14.66 3 1.46 1.38 1.25 -0.07 - 0.87 0.43 0.16 14.00
2AK184H 18.25 18.00 17.66 3 1.46 1.38 1.25 -0.07 - 0.87 0.43 0.16 14.54
CLAMP FIT ON SHAFT
CLOSE GRAIN
CAST IRON
Part Numbers are specified by “H” and bore size.
Example: “H - 1 1/8”
TABLE No. H BUSHING
BUSHING L U T
1
H
1
/4 1/4
D
LARGE
SMALL
END
1 1.625 1.571
END
H V W X Y R S
3
2 1/2
2 -
14
16
/
1
16
/
/8 3/
*These sizes are furnished with special keys to fit
standard depth keyseats.
BORE RANGE CAP SCREWS
TYPE 1 TYPE 2 No. SIZE
3
16
/8 - 1 1/81 7/16 - 1 1/
2
AVG.
\WRENCH
WT.
TORQUE
LBS
1
2
/4-20 x 5/
0.8 95 0.16
8
IN-LBS
CAPSCREW
HEAD
PROJECTION
A-24
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