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Roller Bearing 100mm

Selden’s 100mm Roller Bearing Blocks are built for heavy-duty performance, perfect for larger yachts (40ft to 60ft) and ropes between 14mm and 16mm. Their roller bearing system minimizes friction, making them ideal for high-load, high-speed applications like halyards, mainsheets, and spinnaker sheets.

Each block features a 10mm shackle and can either rotate freely or be fixed in place, offering flexibility for your rigging setup. With a stainless steel strap, durable composite body, and 100mm acetal sheave, these blocks are tough, reliable, and built to last in demanding conditions.

Common Uses

  • Halyards, Mainsheets, Vangs, Backstays
  • Spinnaker Sheets, Reefing Systems, Tackles, Preventers

For those needing strength, smooth operation, and long-lasting performance, Selden’s 100mm Roller Bearing Blocks are the go-to choice.

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100mm Single - Roller Bearing
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100mm Single - Roller Bearing

Designed for high load, dynamic applications. Machined, black anodised aluminium cheeks and Torlon® roller bearings. PA washer insulates stainless from aluminium to prevent corrosion. The shackle features a Ø 8 mm body and Ø 10 mm pin, a strong and lightweight combination. The swivel pin is hollow and chamfered to reduce weight. Acetal ball bearing stabilize the sheave when subjected to side loads. 

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100mm Single + Stand Up Spring - Roller Bearing
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100mm Single + Stand Up...

Designed for high load, dynamic applications. Machined, black anodised aluminium cheeks and Torlon® roller bearings. PA washer insulates stainless from aluminium to prevent corrosion. The shackle features a Ø 6 mm body and Ø 8 mm pin, a strong and lightweight combination. The swivel pin is hollow and chamfered to reduce weight. Acetal ball bearing stabilize the sheave when subjected to side loads. 

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