Brochure

45
“A” Belts
1/2" x 5/16"
“B” Belts
21/32" x 7/16"
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.
1TB34 - 1TB380
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.
• 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 1 Groove, Face Width = 1”
Datum
“A”
Datum
“B”
Out-
side
In-
side
Part Number Dimensions
Wt.
Less
Bush.
Sheave Bushing OL
3.0” 3.4” 3.75” - 1TB34 P1 2 5/16” 2.0
3.2 3.6 3.95 - 1TB36 P1 2 5/16 2.3
3.4 3.8 4.15 - 1TB38 P1 2 5/16 2.6
3.6 4.0 4.35 - 1TB40 P1 2 3/16 2.1
3.8 4.2 4.55 - 1TB42 P1 2 3/16 2.4
4.0 4.4 4.75 - 1TB44 P1 2 3/16 2.8
4.2 4.6 4.95 - 1TB46 P1 2 3/16 3.1
4.4 4.8 5.15 - 1TB48 P1 2 3/16 3.5
4.6 5.0 5.35 - 1TB50 P1 2 3/16 3.9
4.8 5.2 5.55 - 1TB52 P1 2 3/16 4.1
5.0 5.4 5.75 - 1TB54 P1 2 3/16 4.6
5.2 5.6 5.95 - 1TB56 P1 2 3/16 5.1
5.4 5.8 6.15 - 1TB58 P1 2 3/16 5.6
5.6 6.0 6.35 4 1/2” 1TB60 P1 2 3/16 6.0
5.8 6.2 6.55 4 11/16 1TB62 P1 2 3/16 5.5
6.0 6.4 6.75 4 7/8 1TB64 P1 2 3/16 5.8
6.2 6.6 6.95 5 1/16 1TB66 P1 2 3/16 5.9
6.4 6.8 7.15 5 5/16 1TB68 P1 2 3/16 6.1
6.6 7.0 7.35 5 1/2 1TB70 P1 2 3/16 6.4
7.0 7.4 7.75 5 15/16 1TB74 P1 2 3/16 7.3
7.6 8.10 8.35 6 1/2 1TB80 P1 2 3/16 7.8
8.2 8.6 8.95 7 1/16 1TB86 P1 2 3/16 8.6
8.6 9.0 9.35 7 1/2 1TB90 P1 2 3/16 8.9
9.0 9.4 9.75 7 15/16 1TB94 P1 2 3/16 9.1
10.6 11.0 11.35 9 7/16 1TB110 P1 2 3/16 11.1
12.0 12.4 12.75 10 15/16 1TB124 Q1 2 25/32 17.8
13.2 13.6 13.95 12 1/16 1TB136 Q1 2 25/32 18.2
15.0 15.4 15.75 13 15/16 1TB154 Q1 2 25/32 20.3
15.6 16.0 16.35 14 1/2 1TB160 Q1 2 25/32 22.0
18.0 18.4 18.75 16 15/16 1TB184 Q1 2 25/32 27.5
19.5 20.0 20.35 18 1/2 1TB200 Q1 2 25/32 27.2
24.5 25.0 25.35 23 1/2 1TB250 Q1 2 25/32 42.4
29.5 30.0 30.35 28 1/2 1TB300 Q1 2 25/32 56.0
37.5 38.0 38.35 36 1/2 1TB380 Q1 2 25/32 78.0
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