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Technical Information
CALCULATING HORSEPOWER - BELT DRIVEN LIVE ROLLERS

BELT DRIVEN LIVE ROLLERS 
+ Product (Total Live Load)
+ Belt Weight (see below)
+ Roller Weight (see below)
+ Drive Weight (250#)
= Subtotal
x .10
x 1.25 (25% Contingency Factor)
= Effective Belt Pull
x Speed of Conveyor
÷ 33,000 Horsepower Factor
÷ .95 Chain Reductions
÷ .85 GRE/ Reducer Losses
= Horsepower


 BELT WEIGHTS
BELT WIDTH 6" 12" 18" 24" 30" 36" 42" 48"
BELT BELT WEIGHTS (lbs.) PER FOOT OF BELTING (Not Conveyor)
PVC-120 (CxFS) .51 1.02 1.53 2.04 2.55 3.06 3.57 4.08
PVC-120 (FSxFS) .24 .48 .72 .96 1.20 1.44 1.68 1.92
PVC RUFF TOP .45 .90 1.35 1.80 2.25 2.70 3.15 3.60

NOTE:  PVC-150 (CxFS) is .241 #/ft. with 2-1/4" belt width.



ROLLER WEIGHTS

BF
7"
11"
13"
15"
17"
19"
21"
23"
25"
MODEL
ROLLER WEIGHTS (lbs.)
196S
1.6
2.2
2.5
2.7
2.9
3.3
3.6
3.8
4.1
196G
1.6
2.3
2.6
2.8
3.0
3.4
3.7
3.9
4.3
192S
2.3
3.4
3.8
4.5
5.2
5.6
6.0
6.6
7.2
199S
2.6
4.0
4.5
5.3
6.1
6.6
7.1
7.8
8.5
254S
2.1
3.0
3.4
3.9
4.4
4.8
5.2
5.7
6.2
251S
4.2
5.6
6.4
7.1
7.8
8.5
9.2
9.9
10.7
297S
4.6
6.7
7.6
8.7
9.8
10.8
11.8
12.3
13.8
3509S
6.5
8.8
9.9
11.0
12.1
13.3
14.4
15.6
16.7
3530S
11.2
15.9
18.3
20.6
23.0
25.3
27.6
30.0
32.3


ROLLER WEIGHTS

BF
27"
31"
33"
35"
37"
39"
43"
47"
51"
MODEL
ROLLER WEIGHTS (lbs.)
196S
4.4
4.9
5.2
5.5
5.8
6.1
6.7
7.3
7.8
196G
4.6
5.1
5.4
5.7
6.0
6.3
7.0
7.6
8.1
192S
7.7
8.8
9.4
9.9
10.6
11.0
12.1
13.2
14.3
199S
9.2
10.5
11.2
11.8
12.6
13.1
14.5
15.8
17.1
254S
6.6
7.5
8.4
9.3
9.8
10.2
11.3
12.3
13.3
251S
11.4
12.8
13.5
14.3
15.0
15.7
17.1
18.6
20.0
297S
13.8
16.9
17.9
19.0
20.0
21.0
23.0
25.1
27.2
3509S
17.8
20.1
21.2
22.3
23.5
24.6
26.9
29.1
31.4
3530S
34.7
39.4
41.8
44.1
46.4
48.8
53.5
58.2
62.8


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