Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount

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$19.74
MSRP: $26.91
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Info

SKU:CW55136 ,UPC:

SKU: CW55136

UPC: 9316800262007

MPN: RF20151A

Info

SKU:
CW55136
UPC:
9316800262007
MPN:
RF20151A

Description

The Ronstan Series 20 Ball Bearing Block – Single – Cheek Rivet Mount (RF20151A) is a precision-engineered pulley system designed for demanding marine, rigging, and tactical applications where smooth load transfer and durability are essential. This single-block configuration delivers reliable performance in environments requiring repeated mechanical stress, from sailboat rigging to equipment suspension systems. The cheek rivet mount design provides a secure, permanent installation method suitable for both screw and pop rivet fastening.

Built with precision-molded acetal sheaves running on stainless steel or Torlon bearing surfaces, this block minimizes friction while maintaining exceptional static and dynamic load capacity. The ball bearing construction enables smooth operation under heavy loads, reducing wear and extending service life in high-demand scenarios. At just 0.1 lbs and measuring 2 x 1 x 3 inches, the compact, lightweight design integrates easily into space-constrained installations without sacrificing strength or performance, making it ideal for weight-sensitive applications.

Users benefit most when working with rope systems, cargo handling, or mechanical advantage applications where friction reduction directly improves efficiency. The cheek rivet mount accommodates both permanent screw mounting and quick pop rivet installation, offering flexibility for field repairs or custom rigging setups. Professionals in marine, tactical, and industrial sectors rely on Ronstan Series 20 blocks for their proven durability, low-friction operation, and ability to handle sustained high loads without degradation.

SpecificationDetail
Brand
Ronstan
MPN / Part Number
RF20151A
UPC
9316800262007
SKU
CW55136
Weight
0.1 lbs
Dimensions
2 x 1 x 3 in
Product Type
Single Ball Bearing Block
Mount Type
Cheek Rivet Mount
Fastening Options
Screw or Pop Rivet
Sheave Material
Precision-Molded Acetal
Bearing Surface
Stainless Steel or Torlon
Key Features
Low Friction, High Load Capacity, Lightweight

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