Brochure

47
TB Gripbelt
®
SheaveswithBrowningSplitTaper
®
Bushings
ForUsewithAll“A”and“B”SectionBelts
TableNo.1 Specications-Stock“TB”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.
For optimum sheave selection, see B5V
®
Stock Sheave Listing on pages 19-23.
4TB34 - 4TB380
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"
• 1 - 6 grooves
• 3.75” - 38.35” O.D.
• 1/2” - 2 11/16” bore range
• Machined from fine grain cast iron
• Precision balanced
• Easy on - easy off
DIAMETERS 4 Grooves, Face Width = 13/4”
Datum
“A”
Datum
“B”
Out-
side
In-
side
Part Number Dimensions
Wt. Less
Bush.
Sheave Bushing OL
3.0” 3.4” 3.75” 2” 4TB34 P2 4 9/16” 4.5
3.2 3.6 3.95 2 1/16 4TB36 P2 4 9/16 5.3
3.4 3.8 4.15 2 5/16 4TB38 P1 4 1/8 4.8
3.6 4.0 4.35 2 1/2 4TB40 P1 4 1/8 5.5
3.8 4.2 4.55 2 11/16 4TB42 P1 4 1/8 5.9
4.0 4.4 4.75 2 7/8 4TB44 P1 3 1/2 6.5
4.2 4.6 4.95 3 1/6 4TB46 P1 3 1/2 7.1
4.4 4.8 5.15 3 5/16 4TB48 P1 3 1/2 7.5
4.6 5.0 5.35 3 1/2 4TB50 P1 3 1/2 8.3
4.8 5.2 5.55 3 11/16 4TB52 P1 3 1/2 9.1
5.0 5.4 5.75 3 7/8 4TB54 P1 3 1/2 9.6
5.2 5.6 5.95 4 1/16 4TB56 P1 3 1/2 10.6
5.4 5.8 6.15 4 5/16 4TB58 P1 3 1/2 11.6
5.6 6.0 6.35 4 1/2 4TB60 P1 3 1/2 11.9
5.8 6.2 6.55 4 11/16 4TB62 P1 3 1/2 11.1
6.0 6.4 6.75 4 7/8 4TB64 P1 3 1/2 11.8
6.2 6.6 6.95 5 1/16 4TB66 P1 3 1/2 12.0
6.4 6.8 7.15 5 5/16 4TB68 P1 3 1/2 12.5
6.6 7.0 7.35 5 1/2 4TB70 Q1 3 17/32 15.3
7.0 7.4 7.75 5 15/16 4TB74 Q1 3 17/32 15.3
7.6 8.0 8.35 6 1/2 4TB80 Q1 3 17/32 17.0
8.2 8.6 8.95 7 1/16 4TB86 Q1 3 17/32 20.8
8.6 9.0 9.35 7 1/2 4TB90 Q1 3 17/32 20.6
9.0 9.4 9.75 7 15/16 4TB94 Q1 3 17/32 20.1
10.6 11.0 11.35 9 7/16 4TB110 Q1 3 17/32 25.8
12.0 12.4 12.75 10 15/16 4TB124 Q1 3 17/32 27.5
13.2 13.6 13.95 12 1/16 4TB136 Q1 3 17/32 31.5
15.0 15.4 15.75 13 15/16 4TB154 Q1 3 17/32 36.0
15.6 16.0 16.35 14 1/2 4TB160 Q1 3 17/32 39.0
18.0 18.4 18.75 16 15/16 4TB184 Q1 3 17/32 44.8
19.5 20.0 20.35 18 1/2 4TB200 Q1 3 17/32 57.0
24.5 25.0 25.35 23 1/2 4TB250 Q1 3 17/32 69.5
29.5 30.0 30.35 28 1/2 4TB300 Q1 3 17/32 90.8
37.5 38.0 38.35 36 1/2 4TB380 Q1 3 17/32 125.0
Bore Range Keyseat
1/2” - 9/16” 1/8” x 1/16”
5/8 - 7/8 3/16 x 3/32
15/16 - 1 1/4 1/4 x 1/8
15/16 - 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 11/16 5/8 x 5/16
Part
No.
Bore
Range
Wt.
Lbs.
P1 1/2” - 1 3/4” 1 1/4
P2 3/4 - 1 3/4 1 1/2
Q1 3/4 2 11/16 3 1/2