Rex Steel Bushed Chain Promac Equivalent

These chains are made without a roller with the bushing diameter increased. The chains can be plain or with attachments. Usually used for elevating applications. Promac steel bushed chain is ideal for operating under extremely gritty or abrasive conditions and for elevators where centers are widely spaced. This chain is often referred to as “Steel Bushed” or “Rollerless.” Promac steel bushed chain is made in accordance with manufacturer’s standards and may be interchanged with standard steel bushed chain of other manufacturers.

Heat Treatment
Raw Material
Press Fits to produce a strong chain that won’t break unexpectedly in an elevator application.

Download a PDF of this Chain's Techincal Specifications

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

Promac
Part #

Rex
Part #

Pitch

Overall

Pin
End
to
CL

Pin
Head
to
CL

Inside

Dia

Sty

Matl

Dia

Matl.

Sty

Avg.Ult.
Stgth.
(lbs.)

Max.
Work
Load
(lbs.)

Approx.
Wgt.
(lbs./ft.)

2.609

2.69

1.44

1.25

1.06

0.88

P

CCH

0.5

CHT

A

1.13

0.25

CHT

25000

2750

3.8

3.075

3.53

1.88

1.66

1.31

1.25

P

CCH

0.63

CHT

A

1.5

0.38

CHT

40000

4500

7.5

4

4.31

2.28

2.03

2.13

1

P

CCH

0.63

ACH

A

1.5

0.38

CHT

40000

6300

6.9

4.04

4.75

2.5

2.25

2.25

1.38

P

CCH

0.75

CCH

A

1.75

0.38

CHT

50000

8850

9.4

4.76

5.06

2.69

2.38

2.63

1.44

P

CCH

0.75

CCH

A

2

0.38

CHT

50000

8850

10.2

6

4.31

2.28

2.03

2.13

1.25

P

CCH

0.63

CCH

A

1.5

0.38

CHT

40000

6300

6.3

6

6.13

3.25

2.88

3

1.75

R

ACH

1

AHTH

K

2.5

0.5

AHT

145000

14000

16.5

6

6.13

3.25

2.88

3

1.75

R

ACH

1

AHTH

K

3.25

0.5

AHT

175000

14000

21

6

7.38

3.81

3.56

3.75

2.38

R

ACH

1.25

AHTH

K

4

0.63

AHT

275000

21000

34

6.05

6.41

3.38

3.03

3.31

1.75

P

ACH

1

ACH

A

2.5

0.5

CHT

100000

15000

16.6

7

7.38

3.81

3.56

3.75

2.38

R

ACH

1.25

AHTH

K

4

0.63

AHT

275000

21800

31

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