Quick Summary
The SMC CRx Crevasse Rescue Pulley is a blue pulley with part numbers 157300/157301. The stated weight is 52 g, and the listed breaking strength is 22 kN.
This pulley is described with a stainless-steel axle, a nylon sheave, and solid side plates. It is also described as compact and suitable for haul-system use in crevasse rescue setups.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | SMC, helping identify the exact product family. |
| Product type | Crevasse rescue pulley for haul-system use. |
| Color | Blue. |
| Part numbers | 157300/157301. |
| Weight | 52 g, a useful check for buyers comparing carried gear weight. |
| Breaking strength | 22 kN, a key specification for buyers comparing load-rated hardware. |
| Sheave size | 1.25 in sheave. |
| Axle | Stainless-steel axle. |
| Sheave material | Lightweight nylon sheave. |
| Side plates | Solid side plates. |
What to Compare Before Buying
- Load rating: The stated breaking strength is 22 kN. Compare that figure with the hardware rating you need for the intended setup.
- Rope or cord diameter: It works with prusik cord up to 8 mm in diameter and accommodates up to 13 mm in diameter. Check that against the rope or cord you plan to use.
- Haul-system setup: It is described for 2:1 C-systems and 3:1 Z-systems. Confirm that this matches your intended rigging method.
- Carried weight: The pulley weighs 52 g. Compare that with how much weight you want to add to your kit.
- Part identification: Part numbers 157300/157301 help distinguish this pulley from similar hardware.
Compatibility, Size and Fit
The pulley is described as working with prusik cord up to 8 mm in diameter and accommodating up to 13 mm in diameter. It also uses prusik-minding side plates and a base design intended to keep a prusik knot from jamming during hauling.
For this type of hardware, the rope or cord diameter and the intended haul-system layout are the main fit checks. Confirm both before choosing an offer.
Safe Use and Important Precautions
This is safety-sensitive climbing hardware. Follow the manufacturer’s instructions and the instructions for your climbing or rescue system before use.
Check the stated load rating, rope or cord diameter, and intended rigging method before relying on the pulley in any rescue setup.
Before You Decide
Confirm the blue version with part numbers 157300/157301. Check the 22 kN breaking strength, the 52 g weight, and the rope or cord diameter you plan to use. Make sure the intended haul-system setup matches your application before choosing an offer.
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