Browning 2BK Catalog Page
TWO GROOVE SHEAVES
COMBINATION GROOVE
FOR “4L” or “A” Belts and “5L” or “B” Belts
Cast Iron Sheaves 2BK
TABLE No. 1
OUTSIDE
DIAMETERS
DATUM
“A”
DATUM
“B”
TYPE
1
/2”5/8”3/4”7/8”
PART
o.
N
2BK25 2.50 1.90 2.30 1 X X X X 1.75 1.97 0.47 0.25 1.56
2BK27 2.70 2.10 2.50 1 X X X X X 1.75 1.97 0.47 0.25 2.01
2BK28 2.95 2.20 2.60 1 X X X X X X 1.75 1.97 0.47 0.25 2.14
2BK30 3.15 2.40 2.80 1 X X X X X X 1.75 1.97 0.47 0.25 2.4
2BK32 3.35 2.60 3.00 1 X X X X 1.75 1.97 0.47 0.25 2.62
2BK34 3.55 2.80 3.20 1 X X X X X 1.75 1.97 0.47 0.25 2.92
2BK36 3.75 3.00 3.40 1 X X X X X 1.75 1.97 0.47 0.25 3.42
2BK40 3.95 3.20 3.60 2 X X X X X 1.75 1.47 0.47 0.75 3.36
2BK45 4.25 3.50 3.90 2 X X X 1.75 1.47 0.47 0.75 3.65
2BK47 4.45 3.70 4.10 2 X X X X 1.75 1.47 0.47 0.75 3.86
2BK50 4.75 4.00 4.40 2 X X X X 1.75 1.47 0.47 0.75 4.42
2BK52 4.95 4.20 4.60 2 X X X X 1.75 1.47 0.47 0.75 5.59
2BK55 5.25 4.50 4.90 2 X X 1.75 1.47 0.47 0.75 4.74
2BK57 5.45 4.70 5.20 2 X X X 1.75 1.47 0.47 0.75 5.14
2BK60 5.75 5.00 5.40 3 X X X X X 1.75 1.47 0.47 0.75 4.9
2BK62 5.95 5.20 5.60 3 X X X 1.75 1.47 0.47 0.75 5.5
2BK65 6.25 5.50 5.90 3 X X X 1.75 1.47 0.47 0.75 6.69
2BK67 6.45 5.70 6.10 3 X X X 1.75 1.46 0.47 0.76 6.35
2BK70 6.75 6.00 6.40 3 X X X X X X 1.75 1.59 0.34 0.50 8.42
2BK80 7.75 7. 0 0 7.40 3 X X X X X X 1.75 1.59 0.34 0.50 9.31
2BK90 8.75 8.00 8.40 3 X X X X X X 1.75 1.59 0.34 0.50 8.62
2BK100 9.75 9.00 9.40 3 X X X X X 1.75 1.59 0.34 0.50 12.56
2BK110 10.75 10.00 10.40 3 X X X 1.75 1.59 0.34 0.50 12.84
2BK120 11.75 11. 0 0 11.40 3 X
2BK130 12.75 12.00 12.40 3 X X X 1.75 1.59 0.34 0.50 16.04
2BK140 13.75 13.00 13.40 3 X X X 1.75 1.59 0.34 0.50 18.37
2BK160 15.75 15.00 15.40 3 X X X 1.75 1.59 0.34 0.50 18.69
2BK190 18.75 18.00 18.40 3 X X 1.75 1.59 0.34 0.50 25.5
STOCK SIZES - FINISHED BORE
STOCK BORES MARKED “X” DIMENSIONS
1”
1 1/8” 1 3/16” 1 3/8” 1 7/16”
X X 1.75 1.75 0.34 0.50 16.8
F L P C
WT.
LBS.
STANDARD KEYSEATS
TABLE No. 2
BORE RANGE KEYSEAT
1
/2”
5
/8” to 7/8”
15
/16 to 1 3/
8
1 3/
16
1 7/
16
None
3
/16” x 3/32”
1
/4 x 1/
5
/16 x 5/
3
/8 x 3/
INDIVIDUALLY PACKAGED
HOLLOW HEAD SETSCREWS
8
32
16
PAINTED
IDEAL FOR
ORIGINAL
EQUIPMENT
ACCURATELY
MACHINED
AND
STATICALLY
BALANCED
A-27
TWO GROOVE SHEAVES
COMBINATION GROOVE
FOR “4L” or “A” Belts and “5L” or “B” Belts
Cast Iron Sheaves 2BKH
TABLE No. 1
PART
o.
N
2BK32H 3.35 2.60 3.00 1 2.78 1.75 1.28 0.88 1.31 0.88 0.44 0.16 2.25
2BK34H 3.55 2.80 3.20 1 2.78 1.75 1.28 0.88 1.31 0.88 0.44 0.16 2.58
2BK36H 3.75 3.00 3.40 1 2.78 1.75 1.28 0.88 1.31 0.88 0.44 0.16 2.08
2BK40H 3.95 3.20 3.60 1 2.78 1.75 1.28 0.88 1.31 0.88 0.44 0.16 2.41
2BK45H 4.25 3.50 3.90 1 2.78 1.75 1.28 0.88 1.31 0.88 0.44 0.16 3.09
2BK47H 4.45 3.70 4.10 2 1.75 1.75 1.28 0.44 0.88 0.44 0.16 3.04
2BK50H 4.75 4.00 4.40 2 1.75 1.75 1.28 0.44 0.88 0.44 0.16 3.42
2BK52H 4.95 4.20 4.60 2 1.75 1.75 1.28 0.44 0.88 0.44 0.16 3.60
2BK55H 5.25 4.50 4.90 2 1.75 1.75 1.28 0.44 0.88 0.44 0.16 3.84
2BK57H 5.45 4.70 5.10 2 1.75 1.75 1.28 0.44 0.88 0.44 0.16 4.39
2BK60H 5.75 5.00 5.40 2 1.75 1.75 1.28 0.44 0.88 0.44 0.16 4.55
2BK62H 5.95 5.20 5.60 2 1.75 1.75 1.28 0.44 0.88 0.44 0.16 5.05
2BK65H 6.25 5.50 5.90 3 1.75 1.75 1.28 0.19 0.25 0.88 0.44 0.16 4.75
2BK67H 6.45 5.70 6.10 3 1.75 1.75 1.28 0.19 0.25 0.88 0.44 0.16 4.85
2BK70H 6.75 6.00 6.40 3 1.75 1.75 1.28 0.19 0.25 0.88 0.44 0.16 5.13
2BK80H 7.75 7. 0 0 7.40 3 1.75 1.75 1.28 0.19 0.25 0.88 0.44 0.16 6.90
2BK90H 8.75 8.00 8.40 3 1.75 1.75 1.28 0.19 0.25 0.88 0.44 0.16 7.31
2BK100H 9.75 9.00 9.40 3 1.75 1.75 1.28 0.19 0.25 0.88 0.44 0.16 9.83
2BK110H 10.75 10.00 10.40 3 1.75 1.75 1.28 0.19 0.24 0.89 0.44 0.16 11.91
2BK120H 11.75 11. 00 11.40 3 1.75 1.75 1.28 0.19 0.25 0.88 0.44 0.16 13.30
2BK130H 12.75 12.00 12.40 3 1.75 1.75 1.28 0.19 0.25 0.88 0.44 0.16 15.25
2BK140H 13.75 13.00 13.40 3 1.75 1.75 1.28 0.19 0.25 0.88 0.44 0.16 16.61
2BK160H 15.75 15.00 15.40 3 1.75 1.75 1.28 0.19 0.25 0.88 0.44 0.16 19.27
2BK190H 18.75 18.00 18.40 3 1.75 1.75 1.28 0.20 0.24 0.88 0.44 0.16 23.53
O.D.
DIAMETERS
DATUM
“A”
STOCK SIZES - WITH SPLIT TAPER BUSHINGS
DIMENSIONS
TYPE
DATUM
“B”
O.L. F L P C X G E
CLAMP FIT ON SHAFT
WT.
LBS.
LESS
BUSH.
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/
BORE RANGE CAP SCREWS
TYPE 1 TYPE 2 No. SIZE
3
16
/8 - 1 1/81 7/16 - 1 1/
2
Part Numbers are specified by “H” and
bore size. Example:
1
/8”
“H - 1
*These sizes are furnished with
special keys to fit standard depth
keyseats.
AVG.
WT.
LBS
1
2
/4-20 x 5/
0.8 95 0.16
8
\WRENCH
TORQUE
IN-LBS
CAPSCREW
HEAD
PROJECTION
A-28
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