Single block RT55UM
mast football bearingmax. rope ø 14 mm

Single block - RT55UM - UBI MAIOR ITALIA - mast foot / ball bearing / max. rope ø 14 mm
Single block - RT55UM - UBI MAIOR ITALIA - mast foot / ball bearing / max. rope ø 14 mm
Single block - RT55UM - UBI MAIOR ITALIA - mast foot / ball bearing / max. rope ø 14 mm - image - 2
Single block - RT55UM - UBI MAIOR ITALIA - mast foot / ball bearing / max. rope ø 14 mm - image - 3
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Characteristics

Number of sheaves
single
Type
mast foot
Bearing type
ball bearing
Maximum line diameter
max. rope ø 14 mm
Application domain
for sailboats
Applications
sail
Material
aluminum
Working load

1,800 kg
(3,968.3 lb)

Breaking load

3,600 kg
(7,936.6 lb)

Weight

155 g
(5 oz)

Description

The RT55UM is a high-performance mast block designed for demanding sailing applications. Constructed from aluminum and featuring Torlon roller bearings, this block is engineered for high load and lightweight requirements, making it ideal for competitive and performance sailing environments.

Key Features
  • Aluminum construction for durability and reduced weight
  • Torlon roller bearing for smooth operation under high loads
  • Designed for high load and lightweight (lite blocks) applications


Technical Specifications
  • Ø Sheave: 55mm
  • Max Ø Line: 14mm
  • Max Working Load: 1800Kg
  • Breaking Load: 3600Kg
  • Length: 70mm
  • Weight: 155g

Catalogs

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.