Rex Engineering Class Drive 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 All Rex Jeffery US Tsubaki Allied Lock compatible part #'s

 
 
Pin
Roller
Bushing
Promac
Part #
Rex
Part #
Pitch
Pin
End
to
CL
Pin
Head
to
CL
Inside
Width
Dia
Pin
Sty.
1
Matl.
2
Dia
Matl.
2
Dia
Matl.
2
Avg.Ult.
Stgth.
(lbs.)
Max.
Work
Load
(lbs.)
Approx.
Wgt.
(lbs./ft.)
 
 
B
C
E
G
D
2
1.66
1.38
1.27
0.59
K
AHT
1.13
AHT
0.81
ACH
65000
4000
7.6
2.609
1.44
1.25
1.13
0.44
K
AHT
0.88
AHT
0.64
CCH
26000
2500
3.6
3.067
2.06
1.81
1.56
0.75
K
AHT
1.63
AHT
1.13
ACH
110000
6100
12
3.075
1.88
1.63
1.5
0.63
K
AHT
1.25
AHT
0.91
ACH
28000
4650
7
3.075
1.88
1.59
1.5
0.63
K
AHT
1.25
AHT
0.91
ACH
48000
4650
7
3.075
2
1.84
1.5
0.65
K
AHTIH
1.25
AHT
0.91
ACH
75000
5100
9.6
3.5
2.34
2.06
1.5
0.88
K
AHTIH
1.75
AHT
1.25
ACH
140000
7700
16.1
4.063
2.56
2.19
1.94
0.88
K
AHTIH
1.75
AHT
1.25
ACH
140000
9000
16.1
4.073
2.75
2.38
1.94
0.94
K
AHTIH
1.78
AHT
1.31
ACH
170000
10100
18
4.5
2.88
2.5
2.06
1.1
K
AHTIH
2.25
AHT
1.62
ACH
220000
12300
25.4
5
3.38
3.06
2.75
1.25
K
AHTIH
2.5
AHT
1.75
AHT
310000
17500
34
5
3.5
3.13
2.56
1.38
K
AHTIH
2.5
AHT
1.88
AHT
350000
19600
38.1
5.5
3.88
3.47
3
1.5
K
AHTIH
3
AHT
2
AHT
420000
23600
49.1
6
3.88
3.47
3
1.5
K
AHTIH
3
AHT
2
AHT
420000
23600
45
6
3.88
3.38
3
1.75
K
AHTIH
0
3
AHT
500000
27600
51.7
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