RonstanRonstan Series 75 RB Block, Single Upright Lead
Imperial Metric
Sheave Dia. 3" 75 mm
Max. Rope Dia. 9/16" 14 mm
Fastener Dia. 3/8" + 5/16" 10 mm + 8 mm
Maximum Working Load 4390 lb 1990 kg
Breaking Load 8770 lb 3980 kg
Weight 12.4 oz 352 g

Product Description

The self-contained alloy sheave packages provide reliable, low-friction performance at high loads. The high axial loads are carried by Torlon® roller needle bearings, while side thrust loads are taken up by Acetal ball bearings. Block sheave and cheeks ar.

• Alloy sheave and housing.
• Torlon® needle rollers.
• Black carbon Acetal ball bearings.

Typically used for halyards at the mast base.

Part Number: RF78171

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    Code: RONRF78171
    Original Price:$466.95
    Price: $396.91
    (You Save: $70.04)

    Quantity in Basket: None
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