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Steel tandem roller assembly with two grooved ball-bearing wheels in a plain stamped housing

Prime-Line

Prime-Line D 1996 1-1/2 in. Steel Ball Bearing Tandem Roller Assembly, Plain hardware

SKU CH-4WZ7-NPBVG

A plain-back tandem roller assembly with two 1-1/2 in. concave steel ball-bearing rollers in an adjustable stamped-steel housing.

  • Product typeDoor Hardware & Components
  • Smooth rolling action from twin steel ball-bearing rollers
  • Adjustable stamped-steel housing fits varied door profiles
  • #10-32 threaded mounting hole enables secure top fixation
  • Compact 3/4 in. wide by 1 in. tall housing suits tight spaces
  • Designed for vinyl patio doors by multiple manufacturers

Prime-Line D 1996 Tandem Roller Assembly

This plain back tandem roller assembly fits vinyl patio doors from multiple manufacturers. It uses two 1-1/2 in. concave steel ball bearing rollers for smooth travel. The stamped steel housing is adjustable and mounts with a #10-32 threaded hole on top. It replaces worn rollers to restore quiet door operation.

Fits vinyl patio door builds with adjustable housing

The assembly installs into the door stile using the top-mounted #10-32 threaded hole. Its 3/4 in. wide by 1 in. tall housing profile matches common patio door cavities. The adjustable stamped steel frame compensates for slight alignment shifts. Dual rollers distribute the door weight evenly across the track.

Dual 1-1/2 in. rollers handle standard patio door

The steel ball bearing rollers support typical vinyl patio door panels without binding. They roll on grooved tracks to maintain alignment during frequent use. The plain back design limits compatibility to doors accepting this specific housing style. It is not suited for heavier commercial doors or non-grooved track systems.

How it compares

Measured against everything we stock in General Hardware & Accessories, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 63% of the 2,607 comparable items (median $18.99).

Specifications

Product
Brand namePRIME-LINE
Product typeDoor Hardware & Components

Questions about this item

What limits the life of the 1-1/2 in. steel ball bearing rollers under sustained use?

The steel ball bearings carry the door weight continuously; their fatigue life depends on load cycles, lubrication condition and alignment of the #10-32 threaded mounting hole.

How much heat or noise does the tandem roller assembly generate when the patio door runs all day?

Steel ball bearings on a concave track produce low rolling noise and negligible heat; any increase signals misalignment of the 3/4 in. wide housing or debris in the groove.

What must the vinyl patio door already have for this plain back housing to bolt on?

The door frame needs a mounting boss drilled and tapped for the #10-32 threaded hole on top of the 3-1/8 in. long stamped steel housing.

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