Jeffery Welded Steel Drag Chain Promac Equivalent

These chains have oversized rollers (either straight faced or flanged) with various types of attachments for conveying service. Promac roller conveyor chain has high strength and long wear, for heavy duty operation under severe conditions. Promac chain parts are manufactured from carefully selected raw material, machined and heat treated employing precise and exacting specifications; the are assembled with modern equipment for precision for maximum performance and service.

    Our Chains Feature:
  • High quality material and heat treated which means reliable performance in your operation.
  • Manufacturing methods with today’s best equipment and tooling to guarantee long lasting life.
  • Assembled with high interference fit and consistent set down for greater fatigue strength and dimension integrity.

Download a PDF of this Chain's Techincal Specifications

Show Promac Rex Jeffery US Tsubaki Allied Lock compatible part #'s

 
 
 
Chain
Width
Barrel
Pin
Avg. Ult.
Str. (lbs)
Max Work
Load (lbs)
Approx
Promac
Part #
Jeffery
Part #
Pitch
Overall
Length of
Bearing
 
Diameter
Heat Trtd
Heat Trtd
Heat Trtd
Heat Trtd
Weight
 
 
 
A
E
L
G
Pins
Chain;
Pins;
Chain
(lbs/ft)
5
9.25
7.75
7.75
6.38
0.75
0
0
46000
60000
8500
11.8
6
6.88
5.38
5.38
4.13
0.75
0
0
46000
60000
8500
8.7
6
11.88
10.38
10.38
9
0.75
0
0
46000
60000
8500
12
6
12.5
10.63
10.63
9
0.88
0
0
52000
68000
9300
15
8
11.88
10.38
10.38
9
0.75
0
0
46000
60000
8500
9.8
8
15.38
14.13
14.13
12.75
0.75
0
0
60000
80000
10700
14.5
8
14.63
12.75
12.75
11
0.88
0
0
94000
100000
12300
18.1
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