Conventional Groove Dimensions

Dimensions

     Groove Data
Groove/ Belt Size Datum
Dia.
Outside
Dia.
A Dimensions
W D S E

3V



5V


8V

A-B


C


D
Under 3.45
3.45 to 5.95
6.05 to 11.95
Over 11.95
Under 9.90
9.90 to 15.90
Over 15.90
Under 15.80
15.80 to 22.20
Over 22.20
3.00 to 6.40
Over 6.60
5.40 to 7.99
8.00 to 12.00
Over 12.00
12.00 to 12.99
13.00 to 17.00
Over 17.00
Under 3.50
3.50 to 6.00
6.10 to 12.00
Over 12.00
Under 10.00
10.00 to 16.00
Over 16.00
Under 16.00
16.00 to 22.40
Over 22.40
A Belt: .75* B Belt .35*

.40*


.60*
36
38
40
42
38
40
42
38
40
42
34
38
34
36
38
34
36
38
.350
.350
.350
.350
.600
.600
.600
1.000
1.000
1.000
.612
.625
.879
.887
.895
1.259
1.271
1.283
.350
.350
.350
.350
.600
.600
.600
1.000
1.000
1.000
.625
.625
.780
.780
.780
1.050
1.050
1.050
.406
.406
.406
.406
.688
.688
.688
1.125
1.125
1.125
.750
.750
1.000
1.000
1.000
1.438
1.438
1.438
.344
.344
.344
.344
.500
.500
.500
.750
.750
.750
.500
.500
.688
.688
.688
.875
.875
.875
 
* Outside Diameter is nominal to Datum Diameter. 
 F= S (N-1) + 2E
F= Face Width of Sheave
S= Groove Spacing
N= Number of Grooves
E= End Spacing
       Bushing Data 
Bush. Size Bushing Dimensions Bore Dimensions Weight Range
Dim. A Dim. B Dim. C Dim. D Dim. E Bolt
Circle
Cap Screws
Required
Min. Bore Std. KW Shal. KW Min. Bore Max. Bore
JA
SH SDS SD
SK
SF
E
F
J
M
N
P
W
S
1.375
1.871
2.187
2.187
2.812
3.125
3.834
4.437
5.145
6.496
6.992
8.242
10.429
12.125
2
2-11/16
3-3/16
3-3/16
3-7/8
4-5/8
6
6-5/8
7-1/4
9
10
11-3/4
15
17-3/4
11/16
7/8
7/8
1-3/8
1-3/8
1-7/16
1-7/8
2-13/16
3-5/8
5-5/8
6-3/4
7-3/4
9-1/2
12-11/16
5/16
7/16
7/16
7/16
9/16
5/8
7/8
1
1-1/8
1-1/4
1-1/2
1-3/4
2
2-3/4
1
1-5/16
1-5/16
1-13/16
1-15/16
2-1/16
2-3/4
3-3/4
4-5/8
6-3/4
8-1/8
9-3/8
11-3/8
15-1/4
1-21/32
2-1/4
2-11/16
2-11/16
3-5/16
3-7/8
5
5-5/8
6-1/4
7-7/8
8-1/2
10
12-3/4
15
3 ea. 10-24 X 1
3 ea. 1/4 x 1-3/8
3 ea. 1/4 x 1-3/8
3 ea. 1/4 x 1-7/8
3 ea. 5/16 x 2
3 ea. 3/8 x 2
3 ea. 1/2 x 2-3/4
3 ea. 9/16 x 3-5/8
3 ea. 5/8 x 4-1/2
4 ea. 3/4 x 6-3/4
4 ea. 7/8 x 8
4 ea. 1 x 9-1/2
4 ea. 1-1/8 x 11-1/2
5 ea. 1-1/4 x 15
1/2
1/2
1/2
1/2
1/2
1/2
7/8
1
1-7/16
1-15/16
2-7/16
2-15/16
4
6
1
1-3/8
1-11/16
1-11/16
2-1/8
2-5/16
2-7/8
3-5/16
3-3/4
4-3/4
5-1/8
5-15/16
7-1/2
8-1/4
1-1/4
1-11/16
2
1-15/16
2-1/2
2-13/16
3-1/2
3-15/16
4-1/2
5-1/2
6
7
8-1/2
10
.20
.60
.80
.90
1.50
2.20
5.60
8.50
12.80
29.50
46.00
88.00
155.00
285.00
.50
1.20
1.70
2.20
3.90
5.40
11.70
19.40
28.60
63.40
95.00
178.00
262.00
410.00
When ordering any QD Sheave and Bushing use the stock number and/or description. To assure correct size, specify the number of grooves, V-belt cross section size, outside diameter, datum diameter and recommended bushing size and bore.
EXAMPLE: Stock number 78100220, description 1 3V 220 JA, is a single groove, 3V belt, 2.20 outside diameter, 2.15 datum diameter sheave that accepts a JA bushing.
EXAMPLE: Stock number 77500056, description 5B56SK, is a 5 groove, A-B belt, 5.95 outside diameter, 5.60 datum diameter sheave that accepts a SK bushing.
CAUTION: Do not use with rim speeds in excess of 6500 feet per minute.