Brochure

50
®
B Gripbelt
®
SheaveswithBrowningSplitTaper
®
Bushings
ForUsewithAll“A”and“B”SectionBelts
Table No. 2
TableNo.1 Specications-Stock“B”Sheaves
For optimum sheave selection, see B5V
®
Stock Sheave Listing on pages 19-23.
Table No. 3
4B54Q-6B380R
B
“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
TableNo.4 BushingDimensions
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.
DIAMETERS 4 Grooves, Face Width = 3 1/4”
Datum
“A”
Datum
“B”
Out-
side
In-
side
Part Number Dimensions
Wt.
Less
Bush
Sheave
Bush-
ing
OL
5.0” 5.4” 5.75” 3 7/8” 4B54Q Q1 4 9/32” 9.3
5.2 5.6 5.95 4 1/16 4B56Q Q1 4 9/32 10.5
5.4 5.8 6.15 4 1/4 4B58Q Q1 3 17/32 11.5
5.6 6.0 6.35 4 7/16 4B60Q Q1 3 17/32 12.6
5.8 6.2 6.55 4 11/16 4B62Q Q1 3 17/32 12.6
6.0 6.4 6.75 4 7/8 4B64Q Q1 3 17/32 14.1
6.2 6.6 6.95 5 1/16 4B66Q Q1 3 17/32 14.8
6.4 6.8 7.15 5 1/4 4B68Q Q1 3 17/32 16.9
15.0 15.4 15.75 13 7/8 4B154R R1 3 25/32 40.1
15.6 16.0 16.35 14 1/2 4B160R R1 3 25/32 44.0
18.0 18.4 18.75 16 7/8 4B184R R1 3 25/32 50.3
19.5 20.0 20.35 18 1/2 4B200R R1 3 25/32 54.0
24.5 25.0 25.35 23 1/2 4B250R R1 3 25/32 71.0
29.5 30.0 30.35 28 1/2 4B300R R1 3 25/32 99.0
37.5 38.0 38.35 36 1/2 4B380R R1 3 25/32 126
DIAMETERS 5 Grooves, Face Width = 4”
Datum
“A”
Datum
“B”
Out-
side
In-
side
Part Number Dimensions
Wt.
Less
Bush
Sheave
Bush-
ing
OL
6.6” 7.0” 7.35” 5 1/2” 5B70R R1 4 3/4” 17.0
7.0 7.4 7.75 5 7/8 5B74R R1 4 3/4 20.3
7.6 8.0 8.35 6 1/2 5B80R R1 4 3/4 24.8
8.2 8.6 8.95 7 1/16 5B86R R1 4 3/4 27.3
8.6 9.0 9.35 7 1/2 5B90R R1 4 3/4 29.1
9.0 9.4 9.75 7 7/8 5B94R R1 4 3/4 30.0
10.6 11.0 11.35 9 1/2 5B110R R1 4 3/4 32.8
12.0 12.4 12.75 10 7/8 5B124R R1 4 3/4 36.0
13.2 13.6 13.95 12 1/16 5B136R R1 4 3/4 40.3
15.0 15.4 15.75 13 7/8 5B154R R1 4 3/4 45.0
15.6 16.0 16.35 14 1/2 5B160R R1 4 3/4 48.0
18.0 18.4 18.75 16 7/8 5B184R R1 4 3/4 54.0
19.5 20..0 20.35 18 1/2 5B200R R1 4 3/4 64.0
24.5 25.0 25.35 23 1/2 5B250R R1 4 3/4 79.0
29.5 30.0 30.35 28 1/2 5B300R R1 4 3/4 115
37.5 38.0 38.35 36 1/2 5B380R R1 4 3/4 150
DIAMETERS 6 Grooves, Face Width = 4 3/4”
Datum
“A”
Datum
“B”
Out-
side
In-
side
Part Number Dimensions
Wt.
Less
Bush
Sheave
Bush-
ing
OL
6.6” 7.0” 7.35” 5 1/2” 6B70R R1 4 3/4” 19.0
7.0 7.4 7.75 5 7/8 6B74R R1 4 3/4 21.8
7.6 8.0 8.35 6 1/2 6B80R R1 4 3/4 26.8
8.2 8.6 8.95 7 1/16 6B86R R1 4 3/4 29.4
8.6 9.0 9.35 7 1/2 6B90R R1 4 3/4 31.4
9.0 9.4 9.75 7 7/8 6B94R R1 4 3/4” 32.8
10.6 11.0 11.35 9 1/2 6B110R R1 4 3/4 37.0
12.0 12.4 12.75 10 7/8 6B124R R1 4 3/4 39.4
13.2 13.6 13.95 12 1/16 6B136R R1 4 3/4 45.3
15.0 15.4 15.75 13 7/8 6B154R R1 4 3/4 49.1
15.6 16.0 16.35 14 1/2 6B160R R1 4 3/4” 52.0
18.0 18.4 18.75 16 7/8 6B184R R1 4 3/4 59.0
19.5 20..0 20.35 18 1/2 6B200R R1 4 3/4 69.0
24.5 25.0 25.35 23 1/2 6B250R R1 4 3/4 83.0
29.5 30.0 30.35 28 1/2 6B300R R1 4 3/4 126
37.5 38.0 38.35 36 1/2 6B380R R1 4 3/4 170
Part
No.
Bore
Range
Wt.
Lbs.
Q1 3/4”—2 11/16” 3 1/2
R1 1 1/8—3 3/4 7 1/2