Brochure

51
B Gripbelt
®
SheaveswithBrowningSplitTaper
®
Bushings
ForUsewithAll“A”and“B”SectionBelts
TableNo.1 Specications-Stock“B”Sheaves
TableNo.3 BushingDimensions
TableNo.2StandardKeyseats
1 3/8” bore bushings also available with
3/8” x 3/16” keyseat.
8B54Q - 8B380S
BrowningSplitTaperBushings
• Keyed to shaft and hub. External
key provides positive drive with
no torque on the cap screws.
• Highest torque carrying capacity.
• Double split barrel assures true
concentricity.
• Inch, metric and spline bores
available from stock.
“A” Belts
1/2" x 5/16"
“B” Belts
21/32" x 7/16"
• 2 - 8 grooves
• 5.75” - 38.35” O.D.
• 1/2” - 2 5/8” bore range
• Machined from fine grain cast iron
• Precision balanced
• Easy on - easy off
DIAMETERS Part Number Dimensions
Wt.
Less
Bush.
Datum
“A”
Datum
“B”
Out-
side
In-
side
Sheave
Bush-
ing
O.L.
8 Grooves, Face Width = 6 1/4”
5.0” 5.4” 5.75” 3 7/8” 8B54Q Q2 7 9/32” 18.1
5.2 5.6 5.95 4 1/16 8B56Q Q2 7 9/32 20.6
5.4 5.8 6.15 4 1/4 8B58Q Q2 6 1/4 20.9
5.6 6.0 6.35 4 7/16 8B60Q Q2 6 1/4 23.0
5.8 6.2 6.55 4 11/16 8B62Q Q2 6 1/4 23.0
6.0 6.4 6.75 4 7/8 8B64Q Q2 6 1/4 25.0
6.2 6.6 6.95 5 1/16 8B66Q Q2 6 1/4 27.3
6.4 6.8 7.15 5 1/4 8B68Q Q2 6 1/4 31.1
6.6 7.0 7.35 5 1/2 8B70R R2 6 9/32 29.5
7.0 7.4 7.75 5 7/8 8B74R R2 6 9/32 34.9
7.6 8.0 8.35 6 1/2 8B80R R2 6 9/32 42.9
8.2 8.6 8.95 7 1/16 8B86R R2 6 9/32 52.0
8.6 9.0 9.35 7 1/2 8B90R R2 6 9/32 48.3
9.0 9.4 9.75 7 7/8 8B94R R2 6 9/32 49.3
10.6 11.0 11.35 9 1/2 8B110R R2 6 9/32 55.0
12.0 12.4 12.75 10 7/8 8B124R R2 6 9/32 60.0
13.2 13.6 13.95 12 1/16 8B136R R2 6 9/32 68.5
15.0 15.4 15.75 13 7/8 8B154R R2 6 9/32 77.3
18.0 18.4 18.75 16 7/8 8B184R R2 6 9/32 90.0
19.5 20.0 20.35 18 1/2 8B200R R2 6 9/32 96.0
24.5 25.0 25.35 23 1/2 8B250R R2 6 9/32 129
29.5 30.0 30.35 28 1/2 8B300R R2 6 9/32 163
29.5 30.0 30.35 28 1/2 8B300S S1 6 1/4 168
37.5 38.0 38.35 36 1/2 8B380R R2 6 9/32 228
37.5 38.0 38.35 36 1/2 8B380S S1 6 1/4 238
Bore Range Keyseat
1”—1 1/4” 1/4” x 1/8”
1 5/16—1 3/8 5/16 x 5/32
1 7/16—1 3/4 3/8 x 3/16
1 13/16—2 1/4 1/2 x 1/4
2 5/16—2 3/4 5/8 x 5/16
2 13/16—3 1/4 3/4 x 3/8
3 3/8—3 5/8 7/8 x 7/16
3 7/8—4 1/2 1 x 1/2
4 5/8—5 1/2 1 1/4 x 5/8
Part
No.
Bore
Range
Wt.
Lbs.
Q2 1”—2 5/8” 4 1/2
R2 1 3/8—3 5/8 11
S1 1 11/16—4 1/4 13 1/2
U0 2 3/8—3 3/16 30
U0 3 1/4—5 1/2 27