Complete Linear Rail Kits: This linear rail set includes 2pcs 19.7 in / 500 mm chrome plated linear shafts; 4pcs fixed shaft support SK16; 4pcs pillar block bearings SCS16UU. Sliding blocks are used cooperatively with rails, smooth sliding provided by the inside linear bearing.

High-Quality Steel Material: Linear motion bearing kits are made of carbon steel, linear bearings are made of GCr15 bearing steel with aluminum alloy housing. Surface chrome plating treatment makes it anti-rust, durable, and extremely hard.

Premier Linear Guiding System: A perfect combination of the main axle bearing rail and fixed bearing supports stabilizes the original rail nicely. In addition, a high-precision linear bearing is inside the industrial-grade standard block.

Easy to Install: Conveniently install the linear rail by aligning the track with the mouth of the slide rail and pushing the slide rail until the slide rail completely falls. It's no need for maintenance.

Wide Application: The linear guide rail is widely used in automation machinery such as DIY CNC routers, lathes, machine tools, bending machines, laser welding machines, etc. Also, applicable for large-scale transmission equipment, including industrial robots, cracker machines.

Specifications
Type: Linear Slide Rail Set
Material: Carbon Steel, GCr15, Aluminum Alloy
Rail Shafts: 2PCs Chrome Plated Shafts
Bearing Blocks: 4PCs SCS16UU
Bearing Support: 4PCs Fixed Support SK16
Rail Shaft Length: 19.7 in / 500 mm
Rail Shaft Diameter: 0.63 in / 16 mm

Package Content
2 x Chrome Plated Steel Shafts
4 x SCS16UU Bearing Blocks
4 x Fixed Support SK16