Self Lubricating Graphite Brass Bushing Sleeve 8x12x30mm Oilless Bearing For 8mm Shafts Linear Motion Ball Bushing With Graphite Lubrication High Precision Brass Sleeve Inner Diameter 8mm Outer Diameter 12mm Length 30mm

8x12x30mm Graphite Brass Bushing, Oil-free sleeve
✔️ 8x12x30mm self-lubricating graphite brass bushing for 8mm shafts, single bearing

This 8x12x30mm self-lubricating brass bushing sleeve is a maintenance-free oilless bearing used to cut friction in linear motion setups. It’s commonly found in robotic joints, small CNC and 3D printer guides, and hobby projects that run on 8 mm shafts.

✅ Size: 8x12x30mm bore 8mm, OD 12mm, L 30mm
✅ Material: Brass with graphite lubricant for oil-free operation
✅ Type: Oilless bearing / linear motion ball bushing
✅ Shaft compatibility: fits 8 mm shafts
✅ Quantity: 1 bearing (single unit)
✅ Coefficient for linear expansion: 1.9e-5 /°C

💡 What is a self-lubricating graphite brass bushing used for in 8 mm shaft linear guides?

Maintains smooth motion with minimal lubrication in compact machines.

- Reduces friction and wear on sliding interfaces - Suited for 8 mm shaft linear guides in small machinery - Brass helps with heat dissipation and stiffness - Long-lasting graphite lubrication minimizes maintenance