Brochure
56
®
“C” Belts
7/8" x 17/32"
C Gripbelt
®
SheaveswithBrowningSplitTaper
®
Bushings
ForUsewithAll“C”SectionBelts
TableNo.1 Specications-Stock“C”Sheaves
TableNo.3 BushingDimensions
TableNo.2StandardKeyseats
1 3/8” bore bushings also available with
3/8” x 3/16” keyseat.
1C56P-4C500U
BrowningSplitTaperBushings
• 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 - 8 grooves
• 6.00” - 50.40” O.D.
• 1/2” - 5 1/2” bore range
• Machined from fine grain cast iron
• Precision balanced
• Easy on - easy off
DIAMETERS Part Number
Dimensions
(inches)
Wt. (lbs.)
less
Bush.
Datum
“C”
Outside Inside Sheave Bushing
OL
1 Groove, Face Width = 1 1/4”
5.6” 6.00” — 1C56P P1 2 3/16” 6.0
6.0 6.40 — 1C60Q Q1 2 25/32 6.1
2 Grooves, Face Width = 2 1/4”
5.6 6.00 3 13/16” 2C56P P1 2 1/2” 8.4
6.0 6.40 4 1/4 2C60Q Q1 2 25/32 9.5
14.0 14.40 12 1/4 2C140R R1 3 9/32 33.5
18.0 18.40 16 1/4 2C180R R1 3 9/32 42.3
27.0 27.40 25 1/4 2C270R R1 3 9/32 77.0
30.0 30.40 28 1/8 2C300R R1 3 9/32 93.0
36.0 36.40 34 1/8 2C360R R1 3 9/32 117.0
44.0 44.40 42 1/8 2C440R R1 3 9/32 164.0
3 Grooves, Face Width = 3 1/4”
5.0” 5.40” — 3C50Q Q1 4 9/32” 8.4
5.6 6.00 3 13/16 3C56P P2 3 1/2 12.9
6.0 6.40 4 1/4 3C60Q Q1 3 17/32 11.8
9.0 9.40 7 3/16 3C90R R1 3 25/32 27.3
9.2 9.60 7 3/8 3C92R R1 3 25/32 27.5
9.4 9.80 7 5/8 3C94R R1 3 25/32 26.9
9.6 10.00 7 13/16 3C96R R1 3 25/32 28.4
9.8 10.20 8 3C98R R1 3 25/32 29.3
10.0 10.40 8 3/16 3C100R R1 3 25/32 29.0
10.2 10.60 8 3/8 3C102R R1 3 25/32 31.4
10.6 11.00 8 13/16 3C106R R1 3 25/32 31.8
11.0 11.40 9 1/4 3C110R R1 3 25/32 29.3
12.0 12.40 10 1/4 3C120R R1 3 25/32 36.9
13.0 13.40 11 1/4 3C130R R1 3 25/32 34.8
14.0 14.40 12 1/4 3C140R R1 3 25/32 39.4
15.0 15.40 13 1/4 3C150R R1 3 25/32 43.8
16.0 16.40 14 1/4 3C160R R1 3 25/32 47.0
18.0 18.40 16 1/4 3C180R R1 3 25/32 51.5
20.0 20.40 18 1/4 3C200R R1 3 25/32 58.0
24.0 24.40 22 1/4 3C240R R1 3 25/32 71.0
27.0 27.40 25 1/4 3C270R R1 3 25/32 92.0
30.0 30.40 28 1/8 3C300R R1 3 25/32 110.0
36.0 36.40 34 1/8 3C360R R1 3 25/32 135.0
44.0 44.40 42 1/8 3C440R R1 3 25/32 196.0
50.0 50.40 48 1/8 3C500R R1 3 25/32 213.0
50.0 50.40 48 1/8 3C500S S1 4 3/4 224.0
4 Grooves, Face Width = 4 1/4
5.0 5.40 — 4C50Q Q2 5 9/32” 10.9
5.6 6.00 3 13/16 4C56P P2 4 1/2 15.4
6.0 6.40 4 1/4 4C60Q Q2 4 17/32 17.0
9.0 9.40 7 3/16 4C90R R1 4 9/32 30.0
9.2 9.60 7 3/8 4C92R R1 4 9/32 31.6
9.4 9.80 7 5/8 4C94R R1 4 9/32 31.6
9.6 10.00 7 13/16 4C96R R1 4 9/32 31.1
9.8 10.20 8 4C98R R1 4 9/32 33.4
10.0 10.40 8 3/16 4C100R R1 4 9/32 34.1
10.2 10.60 8 3/8 4C102R R1 4 9/32 36.5
10.6 11.00 8 13/16 4C106R R1 4 9/32 36.5
11.0 11.40 9 1/4 4C110R R1 4 9/32 33.0
12.0 12.40 10 1/4 4C120R R1 4 9/32 42.9
13.0 13.40 11 1/4 4C130R R1 4 9/32 40.1
14.0 14.40 12 1/4 4C140R R1 4 9/32 46.6
15.0 15.40 13 1/4 4C150R R1 4 9/32 52.0
16.0 16.40 14 1/4 4C160R R1 4 9/32 55.0
18.0 18.40 16 1/4 4C180R R1 4 9/32 60.0
18.0 18.40 16 1/4 4C180S
S1 5 7/32 92.0
20.0 20.40 18 1/4 4C200R R1 4 9/32 69.0
20.0 20.40 18 1/4 4C200S S1 5 7/32 103.0
24.0 24.40 22 1/4 4C240R R1 4 9/32 86.0
24.0 24.40 22 1/4 4C240S S1 5 7/32 120.0
27.0 27.40 25 1/4 4C270R R1 4 9/32 1
10.0
27.0 27.40 25 1/4 4C270S S1 5 7/32 123.0
30.0 30.40 28 1/8 4C300R R1 4 9/32 123.0
30.0 30.40 28 1/8 4C300S S1 5 7/32 142.0
36.0 36.40 34 1/8 4C360R R1 4 9/32 156.0
36.0 36.40 34 1/8 4C360S S1 5 7/32 183.0
44.0 44.40 42 1/8 4C440R R1 4 9/32 218.0
44.0 44.40 42 1/8 4C440U U0 5 13/32 241.0
50.0 50.40 48 1/8 4C500R R1 4 9/32 240.0
50.0 50.40 48 1/8 4C500U U0 5 13/32 283.0
Bore Range Keyseat
1/2”—1 3/4” 1/8” x 1/16”
5/8—7/8 3/16 x 3/32
15/16—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 3/4 7/8 x 7/16
3 7/8—4 1/2 1 x 1/2
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
Q2 1—2 5/8 4 1/2
Q3 1 3/8—2 1/2 5 1/2
R1 1 1/8—3 3/4 7 1/2
R2 1 3/8—3 5/8 11
S1 1 11/16—4 1/4 13 1/2
S2 1 7/8—4 3/16 19
U0 2 3/8—3 3/16 30
U0 3 1/4—5 1/2 27