250MM T8 8mm Lead Screw Rod With Nut + Coupling + 2xBall Bearing + Motor Kit For 3D Printer

Specifications: - Lead screw Material: stainless steel Diameter: 8mm Pitch: 2mm Lead: 4 Total Length: 250mm - Screw nut Material: brass Diameter: 8mm Pitch: 2mm Lead: 4 - Mounted ball bearing Material: zinc alloy Bore diameter: 8 mm Total length: 55mm Height: 29mm - Shaft coupling Material: aluminium Shaft: 5 x 8 mm Length: 25 mm Diameter: 20 mm How to install: 1. Please put screw nut into the Lead screw 2. Then the 2 Mounted ball bearing separately install at both ends of the Lead screw 3. According to the size of you need to adjust the distance between the nut and Mounted ball bearing. 4. Put shaft coupling into the Lead screw beside the Mounted ball bearing Package included: 1 x 250mm Lead screw 1 x Screw nut 2 x Mounted ball bearing 1 x Shaft coupling 1 x Motor