Referencia: RF35302
Marca: RONSTAN
30mm - Triple Serie 30
Roldana 30mm Máx. de cabo 8mm Máx. carga de trabajo 550kg
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Ball Bearing Orbit Blocks™ have been engineered to achieve the highest possible strength-to-weight ratio, using composite reinforced polymer materials and a Dyneema® link attachment instead of metal components.
The unique orbital version of our 2-stage ball bearing system maximises the available bearing surface and positions recirculating ball bearings exclusively within the loaded area of the sheave. A secondary full-contact bearing maintains low friction across the full working load range.
The Dyneema® link, realised in high-grade SK78 fibre, is easily fitted and retained securely by a moulded retainer clip. The flexible link allows limited articulation in a 0° or 90° orientation, while swivel head models with stainless steel shackles provide full rotation and ultimate durability.
Orbit Blocks™ are fitted with our carbon-fibre reinforced C-Cleat™ for secure rope holding with low entry and exit efforts, and fairleads for fast action from any angle. Cleat arms have a wide range of adjustment and calibration marks for setting your preferred cleating angle.
Multiple gripping faces machined into our ratchet block sheaves work in conjunction with our unique cross-hole geometry, delivering up to 20:1 holding power to resist slipping of the loaded line while minimising rope wear. Ball bearings ensure minimum friction under load and a free running sheave when the ratchet is disengaged.
Control switches are located on both sides of the block to remain accessible wherever the block is fitted. In auto mode, the ratchet mechanism engages when load is applied but disengages when released to let the sheet run out freely – ideal for gybing asymmetric spinnakers. In manual mode, the switch is used to set up the block with ratchet either on or off as required.
Referencia: RF35302
Marca: RONSTAN
Roldana 30mm Máx. de cabo 8mm Máx. carga de trabajo 550kg
Referencia: RF25109
Marca: RONSTAN
Roldana de 20mm Máx. carga de trabajo 250kg Inluye 750mm de cabo para fijación
Referencia: RF35151
Marca: RONSTAN
Roldana 30mm Máx. de cabo 8mm Máx. carga de trabajo 300kg
Referencia: RF35286
Marca: RONSTAN
Roldana 30+30mm Máx. de cabo 8mm Máx. carga de trabajo 300kg
Referencia: RF35141
Marca: RONSTAN
Roldana 30mm Máx. de cabo 8mm Máx. carga de trabajo 250kg
Referencia: RF35140
Marca: RONSTAN
Roldana 30mmMáx. de cabo 8mmMáx. carga de trabajo 300kg
Referencia: RF35284
Marca: RONSTAN
Roldana 30+30mm Máx. de cabo 8mm Máx. carga de trabajo 300kg
Referencia: RF45130
Marca: RONSTAN
Roldana 40mm Máx. de cabo 9mm Máx. carga de trabajo 325kg
Referencia: RF35202
Marca: RONSTAN
Roldana 30mm Máx. de cabo 8mm Máx. carga de trabajo 450kg
Referencia: RF45101
Marca: RONSTAN
Roldana 40mm Máx. de cabo 9mm Máx. carga de trabajo 325kg
Referencia: RF35322
Marca: RONSTAN
Roldana 30mm Máx. de cabo 8mm Máx. carga de trabajo 550kg
Referencia: RF35101D
Marca: RONSTAN
Roldana 30mm Rodamientos a bolas Roldana de Nylatron
Referencia: RF35212
Marca: RONSTAN
Roldana 30mm Máx. de cabo 8mm Máx. carga de trabajo 450kg
Referencia: RF35332
Marca: RONSTAN
Roldana 30mm Máx. de cabo 8mm Máx. carga de trabajo 550kg
Referencia: RF35100A
Marca: RONSTAN
Roldana 30mm Máx. de cabo 8mm Máx. carga de trabajo 300kg
Referencia: RF35101
Marca: RONSTAN
Roldana 30mm Máx. de cabo 8mm Máx. carga de trabajo 300kg