This Harken MR 51 mm Delrin sheave is a ball-bearing sheave for marine block systems where low friction and reliable movement are essential.
The sheave has a diameter of 51 mm, a height of 22 mm, and is rated with a maximum working load of 227 kg.
A suitable choice for servicing, replacing, or building block systems on board when an original Harken sheave is desired.
Key features
51 mm sheave
Delrin ball bearing
22 mm height
Maximum working load 227 kg
For marine block systems
