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Home  Products  Rigging Blocks and Sheaves  Cable Blocks & Sheaves  Carbon Steel Cable Blocks & Sheaves  Double Sheave Fixed Eye Blocks For Cable    3/16" Cable x 1-1/2" Diameter Fixed Eye Double Sheave Block
3/16" Cable x 1-1/2" Diameter Fixed Eye Double Sheave Block Image 1
3/16" Cable x 1-1/2" Diameter Fixed Eye Double Sheave Block Image 4
3/16" Cable x 1-1/2" Diameter Fixed Eye Double Sheave Block
3/16" Cable x 1-1/2" Diameter Fixed Eye Double Sheave Block
3/16" Cable x 1-1/2" Diameter Fixed Eye Double Sheave Block
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3/16" Cable x 1-1/2" Diameter Fixed Eye Double Sheave Block
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3/16" Cable x 1-1/2" Diameter Fixed Eye Double Sheave Block

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Product Specs Part No. 61721520
Material Zinc Plated Steel
Weight 1 lb
Working Load Limit (WLL) 525 lbs

Description

Zinc plated regular duty fixed eye block with 1-1/2" diameter double sheave grooved for 3/16" cable. Equipped with oil impregnated bronze bushings for longer service life. We recommend oiling the bushings occasionally if subjected to heavy use. Working Load Limit: 525 lbs. Weight: 1 lb. Ultimate block strength is 4 times the working load limit.
Spec Sheet
double-sheave-three-sixteenths-inch-fixed-eye-block-specification-diagram
NameValue
Pitch Diameter (A):1 inches
Sheave Diameter (B):1.5 inches
Sheave Outside Width (C):0.4375 inches
Eye Thickness (D):0.25 inches
Eye Outside Width (E):1.125 inches
Eye Inside Diameter (F):0.375 inches
Block Body Length (G):2.4375 inches
Overall Length (H):3.25 inches
Block Body Width (O):1.625 inches
Overall Sheave Outside Width (Y):1.21875 inches
Special Instructions
Work Load / Stress Formula / Load Calculation

(View PDF)

The capacity at which our products can be safely used has been established through an accredited testing laboratory. This may be defined as the safe working load limit, or cable rope pulley block load calculation, or a force calculator. The safe working load limit (mechanical advantage) is the maximum load in pounds which should ever be applied, and when the load is applied uniformly and in direct tension to a straight segment of wire rope. By changing the degree of angle between lead and load angle, this also affects the stress on the block. The stress on the eye may be decreased by increasing the angle between the load and the lead angle. See chart and illustration below.

Stress Formula: (L x A = S)

Load in pounds (L) multiplied by the Angle of pull (A) equals the stress generated in lbs on the Block (S).

Safe Work Load Limit: This is the maximum load (in lbs.) which can be applied to the Block and which has been established (Load Capacity).

Stress Formula Diagram
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Note:
Size
3/16 inches
Length
Certificates
Product Type
pulleys sheaves
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