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Product Description
The Crosby S-4 Eye & Jaw Swivel is designed for lifting and rigging applications requiring smooth rotation under load while minimizing wire rope twist and torque buildup. Featuring tapered roller thrust bearing technology, the S-4 swivel improves operational efficiency, reliability, and wire rope service life in demanding industrial environments.
Engineered for frequent rotation under load, the S-4 provides dependable performance for crane, marine, offshore, and heavy lifting applications where controlled swivel movement and secure load alignment are essential.
Material:
Forged alloy steel components
Tapered roller thrust bearings
Corrosion-resistant finish
Specifications:
Eye & jaw swivel design
Equipped with tapered roller thrust bearing
Designed for frequent rotation under load
Available in capacities from approximately 3 tons to 45 tons
Compatible with multiple wire rope sizes depending on model
All jaws complete with bolts, nuts, and cotter pins
Individually proof tested to 2 times the Working Load Limit with certification
Pressure lubrication fitting provided
5:1 design factor
Not intended for demolition (wrecking) ball applications
Meets or exceeds ASME B30.26 requirements
Uses:
Crane and hoisting systems
Wire rope lifting assemblies
Marine and offshore rigging
Industrial and construction lifting
Applications requiring controlled swivel rotation
Key Features:
Tapered roller bearings – Designed for smooth rotation under load
Frequent rotation capability – Ideal for repetitive lifting applications
Eye & jaw configuration – Allows versatile rigging connections
Heavy-duty construction – Engineered for demanding lifting environments
Proof tested – Individually tested for reliability and safety
Pressure lubrication fitting – Supports long-term bearing performance
Wire rope protection – Helps reduce twisting and extend rope life
| Swivel No. | Stock No. | Working Load Limit (t) | Wire Rope Size (in) | Weight Each (lb) | Dimension C (in) | Dimension G (in) | Dimension H (in) | Dimension J (in) | Dimension K (in) | Dimension N (in) | Dimension O (in) | Dimension Q (in) | Dimension R (in) | Dimension S (in) | Dimension T (in) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3-S-4 | 297048 | 3 | 1/2 | 9.00 | 9.34 | 2.75 | 0.75 | 0.88 | 1.62 | 1.31 | 1.00 | 0.75 | 1.03 | 1.12 | 1.25 |
| 5-S-4 | 297244 | 5 | 5/8 | 12.33 | 10.06 | 3.00 | 0.88 | 1.00 | 2.25 | 1.62 | 1.12 | 1.00 | 1.28 | 1.25 | 1.25 |
| 8-S-4 | 297440 | 8.5 | 3/4 | 29.00 | 12.25 | 4.00 | 1.00 | 1.56 | 2.81 | 2.12 | 1.38 | 1.25 | 1.41 | 1.62 | 1.50 |
| 10-S-4 | 297645 | 10 | 7/8 | 44.00 | 16.12 | 4.50 | 1.50 | 1.75 | 3.38 | 3.50 | 1.75 | 1.69 | 1.69 | 2.75 | 1.88 |
| 15-S-4 | 297841 | 15 | 1 | 61.00 | 16.75 | 5.00 | 1.50 | 1.75 | 3.38 | 3.50 | 1.75 | 1.94 | 2.03 | 2.75 | 2.12 |
| 25-S-4 | 298145 | 25 | — | 135.00 | 21.50 | 6.00 | 2.00 | 2.00 | 4.62 | 3.69 | 2.38 | 2.25 | 2.31 | 3.88 | 2.38 |
| 35-S-4 | 298243 | 35 | — | 150.00 | 21.50 | 6.50 | 2.00 | 2.00 | 4.62 | 3.69 | 2.38 | 2.25 | 2.31 | 3.88 | 2.38 |
| 45-S-4 | 298341 | 45 | — | 225.00 | 25.88 | 7.00 | 2.25 | 2.50 | 5.00 | 4.00 | 3.00 | 2.50 | 2.53 | 4.00 | 3.00 |
Series: S-4 Eye & Jaw Swivels
Configuration: Eye connection on one end with a jaw connection on the opposite end.
Design Factor: 5:1.
Proof Test: Individually proof tested to 2 times the Working Load Limit.
Wire Rope Size: Crosby lists recommended wire rope sizes for the 3 through 15 ton models. No wire rope size is listed for the 25, 35, or 45 ton models.
| Specification | Value |
|---|---|
| Rotation Type | Suitable for frequent rotation under load |
| Pin Type | Cotter |
| Wire Rope Diameter | 1 in |
| Eye Inside Diameter | 2.03in |
| Eye Width | 5in |
| Trade Size | 1in |
| Bearings | Tapered roller thrust bearing |
| Load Capacity | 15 metric tonnes |
| Specifications | 5:1 design factor; individually proof tested to 2 times WLL with documentation; pressure-lubrication fitting. Suitable for frequent rotation under load. Do not use on demolition/wrecking balls. Use only wire rope recommended by its manufacturer for this swivel. Jaws supplied with bolt, nut and cotter pin. |
| Series | S-4 |
| Weight | 61.00 lb |
| Type | Eye / Jaw swivel |
| Lube | Pressure-lubrication fitting |
| End Fitting Type | Eye / Jaw |
| Dimensions | Drawing dimensions (in): C = 16.75; G = 5.00; H = 1.50; J = 1.75; K = 3.38; N = 3.50; O = 1.75; Q = 1.94; R = 2.03; S = 2.75; T = 2.12 |