Imperial Metric
Sheave Dia. 3" 75 mm
Max. Rope Dia. 9/16" 14 mm
Maximum Working Load* 4390 lb 1990 kg
Breaking Load* 8770 lb 3980 kg
Weight 18.7 oz 536 g

* Total block load. Maximum load on top sheave not to exceed 50% of total block load.
Product Description

The Torlon® Roller and Ball Bearing 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 bearing.

• Alloy sheave.
• Torlon® needle rollers.
• Carbon black Acetal ball bearings.

Part Number: RF61151

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Ronstan Series 75 RB Block, Single Foot
Original Price: $ 352.89
Price: $ 299.95

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