This Schaefer Marine single ball bearing block features aluminum cheeks and a Delrin ball bearing sheave, engineered to provide low-friction operation for sailboat rigging. The integrated swivel head can be locked into a fixed position to help prevent line twist during use.
Key Specifications:
- Sheave diameter: 2 in. (51 mm)
- Maximum line diameter: 7/16 in. (11 mm)
- Safe working load (SWL): 1500 lbs. (680 kg)
- Length: 4 13/32 in. (112 mm)
- Width: 2 1/8 in. (54 mm)
- Thickness: 15/16 in. (24 mm)
- Weight: 5 oz. (142 g)
- Manufacturer part number: 506-05
Product facts
- CT SKU
- CT-107256
- Model / MPN
- 506-05
- UPC / GTIN
- 740507012075
- Package dimensions
- 1" X 3" X 5"
- Package weight
- 0.32 lb
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
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Shipping & returns
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Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
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Need help choosing?
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