Solid bearings allowing trolley assembly stay in the strut channel. - Suitable for sliding doors, door curtain pulleys, tarpaulins, and hooks. It can also be used to install ceiling trolley systems or electric lifts.
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With a weight capacity of 50KG, this Trolley Assembly is suitable for a variety of door types. Heavy Duty Sliding Door Roller Trolley Assembly 2 Wheel Steel for Window. - This Sliding Door Roller features a double bearing design for smooth and effortless sliding.
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P2950-EG Strut Channel 4-Wheel Trolley Assembly with Eye Loop,Stable Welded Roller Trolley for Unistrut use with All 1-5/8" or Taller Strut Channel. P2950-EG Strut Channel 4-Wheel Trolley Assembly With Eye Loop.
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eBay
Unistrut Trolley Assembly Roller 2 Wheel Two Bearing Scroll Heavy. 6 Pcs Trolley Case Accessories Baby Luggage Corner Edge Protector. Solar Fountain Floating Pump Water Garden Pool Bird Bath Pond Outdoor.
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There are many uses for these trolleys. This version will allow you to have 1" of material to bolt to. Specs: Overall 3"3X3" Distance from strut to bottom of trolley is 2" Clearance from bottom of lower bearing to bottom of the trolley is 1" Mounting hole size is made for 5/16" bolt.
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Solid bearings allowing trolley assembly stay in the strut channel. - Suitable for sliding doors, door curtain pulleys, tarpaulins, and hooks. It can also be used to install ceiling trolley systems or electric lifts.
eBay