Engineering steel bushing chains are heavy-duty engineered chains designed for industrial conveying, mechanical handling, and custom chain assemblies. The supplied drawings show the base engineering steel bushing chain together with three attachment configurations: TYPE A1, TYPE A2, and TYPE A3.
The first technical drawing shows the main chain construction, including chain plates, bushes, pins, rollers, centerlines, pitch, and key dimensional references. The second drawing shows three attachment layouts with different plate positions and hole arrangements.
The supplied main-chain table includes six chain numbers:
S102B
S110
S111
S131
S150
S188
The attachment table includes the compatible chain numbers and dimensions for TYPE A1, TYPE A2, and TYPE A3.
All exact numerical values in this page are transcribed from the supplied technical images. Public references are used only for general engineering-chain application and selection background.
Key Features
Engineering Steel Bushing Chain Construction
The main drawing shows a bushing-chain assembly with chain plates, bushes, pins, rollers, and connecting components. The chain dimensions are intended to support equipment matching, replacement evaluation, and engineered conveyor design.
Three Attachment Configurations
The second drawing identifies three attachment types:
TYPE A1 — attachment plates with the A1 hole and spacing arrangement
TYPE A2 — attachment plates with the A2 hole and spacing arrangement
TYPE A3 — attachment plates with the A3 layout shown in the technical drawing
The attachment type must be selected according to the machine drawing, conveyed material, mounting direction, guide arrangement, and required hole position.
Dimensional Chain Selection
The main table provides:
Pitch P
Minimum inner-plate width b1
Roller diameter d1
Pin diameter d2
Plate or chain height h2
Plate thickness T
U.T.S.
A.T.S.
Custom Engineering Attachments
A1, A2, and A3 attachments provide different mounting surfaces and hole configurations. The attachment geometry should be checked against the conveyor frame, flights, product supports, guide rails, sprockets, and adjacent machine components.
Industrial Material Handling
Engineering bushing chains and their attachments are generally considered for industrial conveyors, bucket elevators, transfer systems, tension linkages, and other engineered handling equipment. Final selection depends on the complete chain drive calculation and operating conditions.
Main Engineering Steel Bushing Chain Specifications
Chain No.
Pitch P (mm)
b1 min (mm)
d1 (mm)
d2 (mm)
h2 (mm)
T (mm)
U.T.S (kN)
A.T.S (kN)
S102B
101.60
51.3
25.4
15.88
39.6
9.7
160
192.00
S110
152.40
51.3
32.5
15.88
39.6
9.7
160
192.00
S111
120.90
63.2
36.6
19.05
52.3
9.7
214
256.80
S131
78.10
31.7
32.0
15.88
39.6
9.7
160
192.00
S150
153.67
80.0
44.7
25.40
66.6
12.7
378
453.60
S188
66.27
25.6
22.4
12.70
30.0
6.4
102
122.40
Main Chain Dimension Notes
P — pitch
b1 min — minimum inner-chain width field shown in the source table
d1 — roller diameter field shown in the source table
d2 — pin diameter field shown in the source table
h2 — chain height field shown in the source table
T — thickness field shown in the source table
U.T.S — ultimate tensile strength field shown in the source table
A.T.S — allowable tensile strength field shown in the source table
The source image provides the field labels and values. U.T.S. and A.T.S. should not be treated as a complete working-load calculation without checking the drive design, safety factor, speed, shock load, lubrication, and operating environment.
Technical Drawing 1 — Main Bushing Chain
Engineering Steel Bushing Chain and Attachments
Technical Drawing 2 — A1, A2, and A3 Attachments
Engineering Steel Bushing Chain and Attachments 2
TYPE A1 Attachment Specifications
Chain No.
a (mm)
e max (mm)
b (mm)
h (mm)
d4 min (mm)
a1 max (mm)
S102B
60.5
77.0
50.80
31.2
10.5
90.4
S131
52.3
73.9
39.05
31.2
13.0
78.5
S188
47.8
54.6
33.10
22.6
8.4
65.8
A1 Configuration
The A1 drawing shows attachment plates positioned below the chain with a pair of mounting holes on each attachment plate. The visible dimensions include a, a1, b, d4, e, and h.
TYPE A2 Attachment Specifications
Chain No.
a (mm)
e max (mm)
h (mm)
f (mm)
b (mm)
a1 max (mm)
d4 min (mm)
S102B
67.3
77.0
31.2
44.5
28.4
90.4
10.5
S110
67.3
89.7
31.2
44.5
53.8
90.4
10.5
S111
79.5
92.7
38.1
58.7
31.0
105.4
13.0
S131
52.3
73.9
31.2
38.1
20.1
78.5
13.0
S150
95.3
108.7
47.8
69.9
42.2
124.7
13.0
S188
53.3
54.6
22.6
31.8
17.3
65.8
8.4
A2 Configuration
The A2 drawing shows a different attachment-hole arrangement from A1, including the visible f, b, and d4 dimensions. Confirm the plate position and hole spacing before integrating the chain into the conveyor assembly.
TYPE A3 Attachment Specifications
Chain No.
f (mm)
b (mm)
c max (mm)
f1 max (mm)
d4 min (mm)
S188
45.2
33.1
10.4
61.2
10.5
A3 Configuration
The A3 drawing shows an attachment layout with the dimensions f, b, c, f1, and d4. Only the S188 row is shown in the supplied A3 table.
Typical Applications
Engineering steel bushing chains with attachments are generally considered for industrial handling and engineered chain assemblies such as:
Industrial conveyors
Bucket elevators
Material transfer equipment
Bulk-material handling systems
Tension linkages
Custom conveying machinery
Agricultural and processing equipment
Industrial lifting or handling mechanisms where the chain design is suitable
Equipment requiring customized mounting plates or attachment holes
The exact application of S102B, S110, S111, S131, S150, or S188 should be confirmed against the equipment drawing, chain drive, sprocket or wheel arrangement, attachment load, speed, and service environment.
OEM, ODM, and Custom Attachment Support
Engineering steel bushing chains can be reviewed for custom attachment requirements based on:
Chain number
Pitch
Attachment type
Plate position
Hole quantity and spacing
d4 hole diameter
Attachment length and width
Chain length
Sprocket or wheel configuration
Conveyor layout
Material grade, heat treatment, surface treatment, coating, corrosion resistance, wear life, service life, and working-load rating are not specified in the supplied images. Confirm these details separately before adding them to a purchase specification.
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