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open wheel steel sheaves round groove use a nylon wheel to carry door movement, so the sheave provides smooth rolling while the nylon material keeps friction low for consistent operation. The Knape and Vogt 594 NYLON sheaves sit in the builders hardware sheaves and tracks category, so they fit into standard track-based door systems on job sites. The wheel diameter is 1-3/16 inch, which defines the rolling radius and helps installers predict how the door will travel in relation to the track profile. These nylon round groove wheel sheaves are specified for use with doors 1-1/8 inch thick, so the hardware layout can be planned around that door thickness during fabrication. The component uses a steel finish body, giving a solid housing around the nylon wheel so the sheave can be integrated into a durable door support assembly. The 594 NYLON designation identifies this exact sheave style for repeat ordering and matching.
This nylon wheel door sheave is designed for doors 1-1/8 inch thick, so hinges, edge clearances, and track position can be laid out knowing the sheave is matched to that thickness. The 1-3/16 inch diameter wheel with a round groove interfaces with track profiles shaped to receive that groove, supporting repeatable motion once aligned. Because the body uses a steel finish, the housing presents a firm mounting surface where the sheave sits within a sheaves and tracks system. The open wheel format allows the nylon wheel to be seen inside the track area, which helps during fit-up, testing travel, and adjusting door position along the track.
The 594 NYLON sheaves from Knape and Vogt are builders hardware components used in sheaves and tracks door systems, so they serve as the rolling element that lets a door move along a track. The product is described as an open wheel nylon round groove wheel sheave, meaning the wheel is not enclosed by a full housing, so it operates in visible contact with the mating track. With a 1-3/16 inch diameter nylon wheel, the unit is suited to installations expecting that wheel size to ride in the track channel. Because the sheave is intended for doors 1-1/8 inch thick, it fits into layouts where that door thickness is standard, helping maintain clearances between door edge, track, and surrounding framing. The steel finish body positions this nylon wheel inside a metal structure, tying into other builders hardware pieces that share a similar finish.
The open wheel layout of these nylon wheel sheaves lets installers monitor how the 1-3/16 inch wheel sits in the track, which is useful when aligning multiple sheaves along a single door edge. The nylon round groove contacts the track along a defined profile, supporting predictable movement as the door is rolled open and closed. Since the sheaves are specified for doors 1-1/8 inch thick, door fabricators can build to that thickness target and know the rolling hardware has been designated for that dimension. The steel finish housing around the nylon wheel adds a metal structure anchoring the rolling component, which helps integrate the sheave into surrounding builders hardware such as tracks and brackets. The product name 594 NYLON and the web description identifying it as a nylon round groove wheel sheave give a clear reference when matching existing installations that already use this specific sheave type.
The 594 NYLON sheave has a 1-3/16 inch diameter nylon wheel, so track selection and clearances can be planned around this specific wheel size.
This nylon round groove wheel sheave is for use with doors 1-1/8 inch thick, so it aligns with door builds that follow that thickness dimension.
The sheave uses a nylon wheel with a steel finish body, giving a nylon rolling surface supported by a metal housing in the hardware assembly.
The 594 NYLON sheave is listed under builders hardware, in the sheaves and tracks product class, which helps locate it when planning door track systems.
Open wheel nylon round groove means the 1-3/16 inch nylon wheel is exposed and shaped with a round groove, so it rides along a matching track profile.
The 594 NYLON sheaves are manufactured by Knape and Vogt, giving a defined brand reference for matching parts across sheaves and tracks systems.
The 594 NYLON sheaves combine a 1-3/16 inch diameter nylon round groove wheel with a steel finish body, giving a defined rolling element for track-based doors. Because they are designed for doors 1-1/8 inch thick and classified under builders hardware sheaves and tracks, they align with projects using that door thickness and track layout. For door systems that rely on a visible, open wheel nylon sheave from Knape and Vogt, this 594 NYLON style offers a clear match by name, dimension, and application.
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