Best Ball Bearing Pulley Block

Youngneer Zipline Trolley Kit with 25kN Carabiner Double Tandem Dual Pulley for 1/4 5/16 3/8 1/2 Cable for Backyard Zipline Climbing Rescue 30KN 6700LBS

【Safety & Lightweight】- This zipline trolley has been appoved by the CE certification. It has high security and stability. Adopted hot-forged aluminum-magnesium alloy shell and stainless steel ball bearing, this double trolley is very lightweight and durable, making it portable for your outdoor adventure activities..
【Smooth Bearings & Large Breaking Strength】- This ball bearing pulley with dual 361 stainless steel well- polished bearing provides great smooth rotation. Its maximum rotation speed could reach to 35 m/s. This tandem pulley works far better than a single pulley. Besides, its maximum breaking strength could be reach to 30KN 6700LBS, so it can guarantee your safety at most outdoor applications such as climbing, rescue, swing seats or backyard zipline setting etc..
【Coming with Carabiner】- Including an auto-locking climbing carabiner constructed by high strength stainless steel. Breaking Strength:25KN.
This carabiner makes your backyard zipline, swing seats, baby bouncer setting very easy. You only need to put this double pulley on your zipline, attaching the carabiner into the hole at bottom which you could to hanging swing seats or baby bouncer..
【Cable Diameters】- This rescue pulley is designed for rope and cable.

✅【Quality Small Lifting Pulley】The flat mount pulley is made of quality carbon steel and nickel plated on surface. Durable and sturdy, high strength and stability..
✅【Fixed Mute Silent Pulley】The fixed pulley wheel is labor-saving and super silent, it can slide smoothly to ensure good movement of the rope and prevent the rope from twisting..
✅【Maximum Load-bearing Capacity】The maximum load-bearing capacity of single pulley block is 176 pounds. Suitable for the ropes which diameter within 6mm..
✅【Easy and Quick to Install】Equipped with screws and expansion pipes, the wall mounted pulley is simple to use. The install hole diameter is 5.8mm..
✅【Wide Application】Widely applied to the industry and household for material handling and moving, also suitable for electric rolling door accessories and electric ceiling pully..

360 ° rotation: Self-adhesive universal wheels are ball-bearing stainless steel wheels, smooth and durable..
No noise: WCHOSOZH Paste Pulley has a silent effect, no harsh sound when moving, and no scratching of the floor..
Easy to install: Pulley with self-adhesive patch, strong adhesion. You just need to simply peel off the film on the sticky patch to use them..
Strong load-bearing capacity: The ball-paste pulley is made of high-quality ABS material, which is strong and wear-resistant and has a long service life. It can easily move heavy objects without stress..
Wide range of use: Mini pulley can be glued to the bottom of the bookshelf nightstand, also can be glued to the bottom of the storage box bin, or on children's toys..

A perfectly quality-manufactured small rope pulley which is essential for a double-roped climbing or rescue system setup..
Rating to 20kN /4500lbs for high durability to satisfy all your requirements.
Light, compact and quick to install on the rope..
Frequently used in climbing system to reduce the overall friction in order to improve efficiency of your climbing, like slack-tending in spit tail climbing, reducing wear on the bridge when installed on the harness, etc..
BALL BEARING SEALED! Mounted with ball bearing for higher efficiency and speed.
As a general-purpose pulley, this micro gear pulley is also widely used in many other applications, such as hauling, transporting or other mechanical advantages..

Super Smooth. NAXEN zipline pulley is mounted on ball bearing, features smooth rotation up to 35 m/s..
Cable Acceptable. The tandem double pulley can work on steel cable and textile rope both..
Safety Pulley. Made from aircraft aluminum alloy, the speed dual trolley is sturdy enough to support up to 30kN (6700lbs).
CE Certification. Zipline pulley and Carabiner both get CE Certification and meet EN12278(pulley) EN362(carabiner) standard..
Build your Backyard Zipline Set with NAXEN Tandem Speed Trolley Now!.

Two Bearing: With 2 bearing, the roller can turn easily and will never get stuck, which can prevent the rope from breaking due to excessive friction..
Quiet Pulley Wheel: All parts are installed firmly, and the gaskets are placed in the gaps, will not collide with each other and make metallic noise..
Loading 500KG: The pulley wheel is composed of 304 stainless steel, and all parts are thickened. It weighs 370g..
Self-Locking Nut: Φ18mm. Compared with general nuts, it can resist loosening and vibration..
360° Swiveling Ring: The Pulley block can be rotated 360 degrees to prevent rope from knotting..

UNIVERSALLY FITS ALL KAYAKS, CANOES, AND PADDLE BOARDS: Enjoy the freedom to have your watercraft on or off in minutes with this garage ceiling....
EASY TO INSTALL: Four point hoist kit comes with illustrated instructions and installation video. Block and tackle are pre-assembled.
SIMPLE USE: Patented system lifts evenly regardless of weight distribution. Pulley system reduces weight by 6 times for a 6:1 mechanical advantage..
SAFEST HOIST DESIGN WITH ANTI-DROP SYSTEM: The self-locking cleat grips instantly to prevent accidental release if the rope is dropped..
QUALITY MANUFACTURING WITH 5-YEAR WARRANTY: High quality stainless steel hardware and double braided rope provide durability, ball bearing pulleys....

20pcs Deep Metal V Groove Guide Pulley Rail Ball Bearings Wheel 4*13*6mm.
This item is ordinary precision, adaptation to low speed, low load applications..

RANDDER Kayak Pulley Block constructed in heavy duty plastic material - super durable and strong, can withstand strong pull.
Pre-assemble pulley kit sold in quantities of two.
sheaves spin bearings has small friction.
The ball bearings, the sheaves, and the cheeks are treated black carbon for superior UV resistance.
Package Contents 2 Pieces Kayak Pulley Kit.
Great accessory for kayaking, boating and canoeing.