Description
Series 7 Flat Base/Aluminum Cheek/Delrin Sheave
Delrin sheave ensures smooth operation and high safe working load. Stainless steel base distributes loads to a large surface area.
Specifications:
- Sheave Dia. 2-3/8″ (60 mm)
- Max. Line 1/2″ (13 mm)
- Length 4-3/8″ (111 mm)
- Width 2-3/4″ (70 mm)
- Height 1″ (25 mm)
- Fasteners (4) 1/4″ RH (6 mm)
- C/C 3-5/8″ (92 mm)
- C/C (wide end) 2″ (51mm)
- C/C (narrow end) 1-9/16″
- SWL 2250 lbs. (1020 kg)
- Weight Alum. 9.6 oz. (272 g)

![Ronstan Series 40 Ball Bearing Block – Single Upright Lead [RF40171]](https://www.apartship.com/wp-content/uploads/2025/4/1745803850/ronstan-series-40-ball-bearing-block-single-upright-lead-rf40171-1745803854.webp)
![Ronstan Series 40 Ball Bearing Block – Fiddle – Becket – Cleat [RF40530]](https://www.apartship.com/wp-content/uploads/2025/4/1745803850/ronstan-series-40-ball-bearing-block-fiddle-becket-cleat-rf40530-1745803854.webp)
![Ronstan Series 50 All Purpose Block – Single Stand Up [RF51140]](https://www.apartship.com/wp-content/uploads/2025/4/1745803850/ronstan-series-50-all-purpose-block-single-stand-up-rf51140-1745803854.webp)
![Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Swivel Becket [N00191]](https://www.apartship.com/wp-content/uploads/2025/4/1745803739/barton-marine-size-0-20mm-plain-bearing-pulley-block-single-swivel-becket-n00191-1745803743.webp)