Sliding Door Roller Kit 1-1/2'' D Concave Roller, Yellow Zinc, Prime-Line D 1797 The Prime-Line D 1797 patio door roller kit is a complete, high-performance replacement solution for worn or noisy 1-1/2-inch concave rollers on sliding patio doors. Engineered with ABEC-7 precision ball bearings and forged alloy steel components, this kit delivers smooth, silent operation even under heavy use ? ideal for homes with frequent foot traffic or coastal environments where durability matters. Each roller features a hardened steel wheel with a concave profile that securely rides on standard aluminum tracks, reducing friction and preventing derailment. The comprehensive set includes everything needed for installation: two rollers, two axle pins, two roll pins, two carriage bolts with nuts, two rivet axles, two binder posts, and two #8-32 x 1/2? screws ? eliminating guesswork and ensuring a perfect fit without needing to purchase additional hardware. Features - Includes two (2) 1-1/2" diameter concave steel rollers with ABEC-7 ball bearings - Heavy-duty alloy steel construction resists bending, corrosion, and wear - Concave wheel design ensures stable tracking on standard patio door rails - ABEC-7 precision bearings provide ultra-smooth, low-friction rotation - Complete installation kit included ? no need to buy separate fasteners - Compatible with most major patio door brands including Pella, Andersen, and Milgard - Designed for easy DIY installation using only a Phillips screwdriver - Oil or grease compatible ? lubrication extends bearing life significantly - Replaces broken, cracked, or seized rollers on both left and right door panels - Corrosion-resistant finish withstands humidity, salt air, and outdoor exposure Specifications - Brand Name: Prime-Line - Model Name: Prime-Line D 1797 - Part Number: D 1797 - Product Type: Patio Door Roller Kit - Roller Diameter: 1-1/2 inches (38.1 mm) - Wheel Profile: Concave - Bearing Type: Ball Bearing - Bearing Grade: ABEC-7 - Material: Alloy Steel with protective coating - Finish: Silver (Zinc-plated) - Included Components: - 2 x Rollers - 2 x Axle Pins - 2 x Roll Pins - 2 x Carriage Bolts with Nuts - 2 x Rivet Axles - 2 x Binder Posts with #8-32 x 1/2" Screws - Item Weight: 5.28 oz (0.33 lb) - Product Dimensions: 0.31 x 1.5 x 1.5 inches - Package Quantity: 1 (complete 2-roller kit) - Installation Method: Screw-in, rivet, or pin-mount (multiple options included) - Recommended Lubricant: Oil or grease - Compatibility: Standard 1-1/2" patio door roller systems - Country of Origin: China - UPC: 049793017970 - Global Trade Identification Number: 00049793017970 - Manufacturer: Prime-Line Products Product Application The Prime-Line D 1797 roller kit is the definitive fix for sluggish, noisy, or stuck sliding patio doors caused by worn-out wheels. Whether your door drags across the track, skips during operation, or won?t close properly, replacing both rollers simultaneously restores seamless motion and prevents further damage to the frame or threshold. Designed for quick, tool-friendly installation ? typically under 30 minutes ? this kit eliminates the hassle of sourcing mismatched parts or improvising with generic hardware. Ideal for homeowners upgrading aging sliders, property managers maintaining multi-unit buildings, or contractors performing full door overhauls, it?s built to outlast cheap plastic or uncoated metal replacements. Use in sun-exposed patios, poolside areas, or high-humidity climates where corrosion resistance is critical. With its industrial-grade bearings and fully inclusive mounting system, the D 1797 isn?t just a repair part ? it?s a long-term upgrade that brings back the effortless glide your door was designed for.