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Description du produit
Product Description: The Western N-302B Series 3300 lb Manila Rope Steel Shell Block is a compact and durable double-groove rigging block designed for use with manila rope cable up to 3/4 inch in diameter in general rigging, construction, marine, and industrial applications where multi-part line reeving and increased mechanical advantage are required in a manageable block. Steel shell blocks offer the durability and strength of an all-steel construction in a compact form factor well suited to a wide range of field and shop rigging tasks. The N-302B Series in this configuration is rated to a 3300 lb working load limit and is well matched to medium duty rigging applications where manila rope is the preferred or specified line material and a double-groove configuration is required for block and tackle arrangements with 3/4 inch rope.
The two 3-1/2 inch sheave grooves allow this block to be used in multi-part line reeving arrangements, enabling greater mechanical advantage and increased effective lifting capacity when configured in a block and tackle system. The sheaves run on self-lubricating bronze bushing bearings, a proven and low-maintenance bearing solution well suited to field rigging environments where regular lubrication may not always be practical. Self-lubricating bronze bushings deliver consistent performance across a range of operating conditions, resist corrosion, and provide reliable service life in both indoor and outdoor applications without requiring frequent maintenance intervention. The 6 inch block size accommodates the 3/4 inch rope diameter and two 3-1/2 inch sheaves in a compact and manageable steel shell block form factor suited to a wide range of rigging configurations, and the 3300 lb working load limit reflects the increased capacity enabled by the double-groove reeving arrangement.
The N-302B Series steel shell block in this 3/4 inch rope configuration is designed for integration into block and tackle systems and rope-based lifting and pulling arrangements where a dependable medium-capacity double-groove manila rope block in a compact steel shell configuration is required. The block is compatible with standard rigging hardware including hooks and shackles rated to the appropriate working load limit. All connected rigging components must be rated to 3300 lb or greater, and the block must be inspected before each use in accordance with applicable lifting and rigging safety standards. Manila rope must be inspected for wear, fraying, and degradation before each use and replaced when signs of deterioration are present.
Material: Steel shell block body Steel sheaves Self-lubricating bronze bushing bearings
Compatible With: Manila rope cable up to 3/4 in diameter Hooks, shackles, and rigging hardware rated to 3300 lb or greater General rigging and block and tackle systems configured for 3/4 in manila rope and double-groove reeving
Uses: General construction site lifting and rigging operations Multi-part line block and tackle lifting and pulling assemblies Marine and boat rigging applications Industrial and shop rigging tasks Medium duty field rigging requiring double-groove reeving in a compact steel shell block for 3/4 in manila rope
Key Features: 3300 lb working load limit N-302B Series designation Double groove - 3-1/2 in sheave outside diameter 6 in block size for a compact and manageable form factor suited to 3/4 in manila rope Enables multi-part line reeving for increased mechanical advantage Accommodates manila rope cable up to 3/4 in diameter Self-lubricating bronze bushing bearings for low-maintenance reliable performance Durable all-steel shell construction
Note: All connected rigging hardware must be rated to the working load limit of this block. Inspect the block, sheaves, bearings, and all attachment points before each use. Inspect manila rope for wear, fraying, and deterioration before each use and replace when necessary. Follow applicable lifting and rigging safety standards and do not exceed the rated working load limit.
| Specification | Value |
|---|---|
| Sheave Outside Diameter | 3-1/2in |
| Maximum Cable Size | 3/4in |
| Cable Type | Manila Rope |
| Bearings | Self-Lubricating Bronze Bushing |
| Load Capacity | 3300lb |
| Series | P-302B |
| Dimensions | 6in |