Multi-Sheave Blocks

Overview

Key Benefits

• Benefit #1
• Benefit #2
• Benefit #3
• Benefit #4

Features

• Blocks may be mounted upright or underhung
• Blocks with three or more sheaves are constructed with the base angle legs turned in to allow close mounting centers. Base angles are notched to clear ropes and cables.
• Nylon or ASTM Class 30 grey iron sheaves
• 17mm sealed precision ball bearings
• 12-gauge side plates located outside and between sheaves

Options

Sheave Diam.	Lines	Bearings	Cast Iron Prod. Code	RWL	Weight	Nylon Prod. Code	RWL	Weight
8-5/8″ (219 mm)	2	17mm BB	400-20855C75	900 lb (408 kg)	27 lb (12 kg)	400-20855N75	900 lb (408 kg)	21 lb (9.5 kg)
8-5/8″ (219 mm)	3	17mm BB	400-30855C75	900 lb (408 kg)	35 lb (15.9 kg)	400-30855N75	900 lb (408 kg)	26 lb (11.8 kg)
8-5/8″ (219 mm)	4	17mm BB	400-40855C75	900 lb (408 kg)	42 lb (19 kg)	400-40855N75	900 lb (408 kg)	31 lb (14 kg)
8-5/8″ (219 mm)	5	17mm BB	400-50855C75	900 lb (408 kg)	50 lb (22.7 kg)	400-50855N75	900 lb (408 kg)	36 lb (16.3 kg)

Change the last two characters from “75” (3/4″ rope) to “25” for 1/4″ cable.

RWL: RWL is maximum load that can be applied to a block which is in “like new” condition and has been properly installed, maintained and operated.