Brochure

37
BKCastIronSheaves
SingleGrooveSheaves
CombinationGroove
for“4L”or“A”Beltsand“5L”or“B”Belts
Table No. 1 Stock Sizes - Finished Bore
1/2”
Table No. 2
StandardKeyseats
For bores not usually encountered, use FHP Bushings on page 129.
s Note: Do not use these “BK” Sheaves with “B” Gripnotch
®
belt ratings.
The extensive BrowningV-drive line
means maximum economy, versatility
and prompt availabilityforyour every
application- trulytherightdrive every
time...foreveryservice.
BK24x1/2-BK190x17/16
Part
No.
DIAMETER STOCK BORES MARKED “X” DIMENSIONS
Wt.
Lbs.
Outside
Datum
“A”
Datum
“B”
1/2” 5/8” 3/4” 7/8” 15/16” 1” 1 1/8” 1 3/16” 1 1/4” 1 3/8” 1 7/16” O.L.
sBK24
2.40” 1.80” 2.20” X X X - - - - - - - - 1 7/32” .4
sBK25
2.50 1.90 2.30 X X X X - - - - - - - 1 7/32 .5
sBK26
2.60 2.00 2.40 X X X X - - - - - - - 1 7/32 .6
sBK27
2.70 2.10 2.50 X X X X - - - - - - - 1 7/32 .6
sBK28
2.95 2.20 2.60 X X X X - - - - - - - 1 7/32 .8
sBK30
3.15 2.40 2.80 X X X X - - - - - - - 1 7/32 .8
sBK32
3.35 2.60 3.00 X X X X - - - - - - - 1 7/32 .8
BK34 3.55 2.80 3.20 X X X X - X X - - - - 1 9/32 1.3
BK36 3.75 3.00 3.40 X X X X - X X - - - - 1 9/32 1.5
BK40 3.95 3.20 3.60 X X X X - X X - - - 1 9/32 1.5
BK45 4.25 3.50 3.90 X X X X - X X - - - - 1 9/32 1.8
BK47 4.45 3.70 4.10 X X X X - X X - - - - 1 9/32 1.9
BK50 4.75 4.00 4.40 X X X X X X X - - - - 1 9/32 2.0
BK52 4.95 4.20 4.60 X X X X - X X - - - - 1 9/32 2.0
BK55 5.25 4.50 4.90 X X X X - X X X - - 1 9/32 2.2
BK57 5.45 4.70 5.10 - X X X X X X - - - - 1 9/32 2.3
BK60 5.75 5.00 5.40 X X X X - X X X - - - 1 9/32 2.3
BK62 5.95 5.20 5.60 X X X X X X X X - - - 1 9/32 2.4
BK65 6.25 5.50 5.90 - X X - - X X - - - - 1 9/32 2.7
BK67 6.45 5.70 6.10 - X X - - X X - - - - 1 9/32 2.8
BK70 6.75 6.00 6.40 - X X - X X X X - - X 1 17/32 3.3
BK72 6.95 6.20 6.60 - - X - - X X - - X X 1 17/32 3.9
BK75 7.25 6.50 6.80 - - X - - X X - - - X 1 17/32 3.9
BK77 7.45 6.70 7.10 - - X - - X X - - X X 1 17/32 4.1
BK80 7.75 7.00 7.40 - X X X - X X X X X X 1 17/32 4.4
BK85 8.25 7.50 7.90 - - X - - X X - - X X 1 17/32 5.0
BK90 8.75 8.00 8.40 - - X X X X X X - X X 1 17/32 5.0
BK95 9.25 8.50 8.90 - - X - - X X - - X X 1 17/32 5.4
BK100 9.75 9.00 9.40 - - X X - X X X X X X 1 17/32 5.6
BK105 10.25 9.50 9.90 - - - - - X - - - X X 1 17/32 5.8
BK1
10 10.75 10.00 10.40 - - X - - X X X - X X 1 17/32 6.4
BK115 11.25 10.50 10.90 - - - - - X - - - X X 1 17/32 6.9
BK120 11.75 11.00 11.40 - - X - - X - X - X X 1 17/32 7.4
BK130 12.75 12.00 12.40 - - X - - X X X X - X 1 17/32 8.4
BK140 13.75 13.00 13.40 - - X - - X - X - - X 1 17/32 9.4
BK160 15.75 15.00 15.40 - - - - - X X X X - X 1 17/32 11.4
BK190 18.75 18.00 18.40 - - - - - X - X X - X 1 17/32 13.4
Bore Range Keyseat
1/2” None
5/8” to 7/8” 3/16” x 3/32”
15/16 to 1 1/4 1/4 x 1/8
1 7/16 3/8 x 3/16