Horizontal 8mm Dia Linear Motion Ball Bushing 200mm Linear Shaft Optical Axis with Rod Rail Support Set

Color: Silver Material: aluminum alloy Specifications of Steel Linear Shaft Optical Axis : Outer diameter: 8mm or 0.31inch Length: 200mm or 7.87inch Specification of Linear Rail Support Guide Shaft Bearing : Product Size:42 x 32 x 11mm/1.65 x 1.26 x 0.43 inch Inside Diameter:8mm/0.31 inch (Applicable to the optical axis diameter 8mm) Pacakge Size:45 x 35 x 30mm/1.77 x 1.38 x 1.18 inch Specification of Linear Ball Bearing: Inner Diameter: 8mm/0.315 inch Length: 34.5mm/1.36 inch Package Contents: 4 * Linear Motion Ball Bearing 4 * Rail Support Guide 2 * Linear Shaft Optical Axis Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.