5 Series Ball-Bearing Blocks

5 Series Ball-Bearing Block, Cheek, Aluminum, 1,500lb. SWL, 7.5oz. from SCHAEFER
Like the 5 Series blocks, but with Schaefer’s ball bearing sheave. Curved ball races allow Schaefer ball bearing blocks to take higher loads than other similarly sized blocks. Sheave: UV-protected white Delrin¨. Ball Bearings: Delrin. Sheave Size: 2" (51mm). Line Dia. : 7/16" max. . Cheek Material/Finish: Black anodized aluminum or polished stainless cheeks, stainless straps.
$57.16 $57.16

5 Series Ball-Bearing Block, Fixed Fairlead, Stainless, 1,000lb. SWL, 4.3oz. from SCHAEFER
Like the 5 Series blocks, but with Schaefer’s ball bearing sheave. Curved ball races allow Schaefer ball bearing blocks to take higher loads than other similarly sized blocks. Sheave: UV-protected white Delrin¨. Ball Bearings: Delrin. Sheave Size: 2" (51mm). Line Dia. : 7/16" max. . Cheek Material/Finish: Black anodized aluminum or polished stainless cheeks, stainless straps.
$39.99 $39.99

5 Series Ball-Bearing Block, Upright Lead, Hinged, Stainless, 1,000lb. SWL, 7.0oz. from SCHAEFER
Like the 5 Series blocks, but with Schaefer’s ball bearing sheave. Curved ball races allow Schaefer ball bearing blocks to take higher loads than other similarly sized blocks. Sheave: UV-protected white Delrin¨. Ball Bearings: Delrin. Sheave Size: 2" (51mm). Line Dia. : 7/16" max. . Cheek Material/Finish: Black anodized aluminum or polished stainless cheeks, stainless straps.
$109.01 $109.01

5 Series Block, Single, Aluminum Cheeks, 5.0oz. from SCHAEFER
Used extensively for sheet blocks on small to mid-sized keelboats and as control line blocks for larger offshore boats. Suitable as mast-base or lead blocks on small to mid-sized boats. Universal three-way head. Black anodized aluminum or stainless cheeks. Stainless straps and posts. Sheave: UV-protected Delrin. Ball Bearings: Plain bearings . Sheave Size: 2" (51mm) . Line Dia. : 7/16" max. .
$35.62 $35.62

7 Series Ball-Bearing Single Block from SCHAEFER
The 7 Series ball bearing block offers a Delrin ball bearing sheave. Large sheave diameter and high working loads make 7 series blocks suitable for sheet and control blocks on medium to large offshore boats. Highly polished stainless steel, or tough, hardcoat anodized aluminum cheeks are reinforced with large, stainless V-straps and head posts. Beckets are removable . Sheave diameter: 2-3/8" (60mm) . Maximum Line Diameter: 9/16" . Ball Bearing: Delrin, contour bearing.
$77.99 $77.99

Ball-Bearing Block, Single, Hi-Load, 1,100lb. SWL, 2.4oz. from RONSTAN
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$30.83 $30.83

Ball-Bearing Block, Single Upright Lead, Hi-Load, 1,100lb. SWL, 2.1oz. from RONSTAN
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$35.37 $35.37

Series 40 Ball Bearing Block, Single/Becket, 715lb. SWL, 1.3oz. from RONSTAN
The newest addition to Ronstan’s Orbit range of super lightweight, fiber reinforced blocks. Series 40 Ratchet blocks feature 14:1 holding power and a sophisticated cross-hole sheave geometry for superior rope wear performance. The automatic version is ideal for asymmetric spinnakers and other applications where an auto-engaging ratchet is preferred. Ball Bearings: High compression strength Carbon Black Acetal, Stage 2 bearing: Glass fiber reinforced, MoS2 impregnated engineered nylon.
$23.2 $23.20

5 Series Block, Single with Becket, Aluminum Cheeks, 5.7oz. from SCHAEFER
Used extensively for sheet blocks on small to mid-sized keelboats and as control line blocks for larger offshore boats. Suitable as mast-base or lead blocks on small to mid-sized boats. Universal three-way head. Black anodized aluminum or stainless cheeks. Stainless straps and posts. Sheave: UV-protected Delrin. Ball Bearings: Plain bearings . Sheave Size: 2" (51mm) . Line Dia. : 7/16" max. .
$50.49 $50.49

5 Series Block, Single with Snap Shackle, Aluminum Cheeks, 5.4oz. from SCHAEFER
Used extensively for sheet blocks on small to mid-sized keelboats and as control line blocks for larger offshore boats. Suitable as mast-base or lead blocks on small to mid-sized boats. Universal three-way head. Black anodized aluminum or stainless cheeks. Stainless straps and posts. Sheave: UV-protected Delrin. Ball Bearings: Plain bearings . Sheave Size: 2" (51mm) . Line Dia. : 7/16" max. .
$124.99 $124.99

5 Series Block, Fiddle, Aluminum Cheeks, 7.3oz. from SCHAEFER
Used extensively for sheet blocks on small to mid-sized keelboats and as control line blocks for larger offshore boats. Suitable as mast-base or lead blocks on small to mid-sized boats. Universal three-way head. Black anodized aluminum or stainless cheeks. Stainless straps and posts. Sheave: UV-protected Delrin. Ball Bearings: Plain bearings . Sheave Size: 2" (51mm) . Line Dia. : 7/16" max. .
$69.02 $69.02