Ball-Bearing Single Stand-Up Block

Elastomer for Stand-up Block to 100mm Diameter from RWO
Elastomer Stand-Up block corrugated boot. For blocks to 100mm. dia. 2. 5"H (65mm) 50 mm dia.
$8.49

5 Series Ball-Bearing Block, Single, Aluminum, 1,500lb. SWL, 5.0oz. 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.
$51 $51.00

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

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

Series 40 Ball Bearing Block, Single/Becket/Cleat, 715lb. SWL, 3.5oz. 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.
$68 $68.00

Series 40 Ball Bearing Block, Single, 715lb. SWL, 1.2oz. 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.
$20.8 $20.80

Single Cheek Curved Base from SCHAEFER
Strong smooth-running blocks feature stainless or aluminum cheeks, stainless steel heads and straps, and Delrin® sheaves. Pulpit Furling Lead and Clamp-On Furling Block fit 1" tubing for mounting to stanchions. Ideal for furling line applications on most boats. Singles and Cheeks are ideal for control lines and halyards. Sheave: Delrin. Sheave Size: 1-7/16". Ball Bearings: 3. Cheek Material/Finish: Aluminum or stainless. Shackle Strap Type: Swivel or lashing eye.
$34.85 $34.85

Single Cheek Flat Base from SCHAEFER
Strong smooth-running blocks feature stainless or aluminum cheeks, stainless steel heads and straps, and Delrin® sheaves. Pulpit Furling Lead and Clamp-On Furling Block fit 1" tubing for mounting to stanchions. Ideal for furling line applications on most boats. Singles and Cheeks are ideal for control lines and halyards. Sheave: Delrin. Sheave Size: 1-7/16". Ball Bearings: 3. Cheek Material/Finish: Aluminum or stainless. Shackle Strap Type: Swivel or lashing eye.
$46.99 $46.99

Series 40 Ball Bearing Block, Single/Becket/Swivel Head, 715lb. SWL, 1.6oz. 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.
$27.00