RNA6912 Machined Needle Roller Bearing - 68 mm ID x 85 mm OD x 45 mm W, Double-Row Caged, High Carbon Steel with Oil Holes, Single Bearing Pack, fits linear slide unit, sealed ball bearing alternative

RNA6912 machined needle roller bearing, single unit
✔️ ID 68 mm x OD 85 mm x W 45 mm, high carbon steel, oil holes

This single RNA6912 machined type needle roller bearing is a double-row caged unit used in linear slide unit assemblies, gearboxes and low-profile shaft setups where high radial load capacity matters.

✅ Model: RNA6912, machined type, caged double-row
✅ Inner dia 68 mm; Outer dia 85 mm; Width 45 mm
✅ Material: high carbon steel; open enclosure with oil holes for relubrication
✅ Dynamic load capacity 103000 N; Static capacity 211000 N
✅ Maximum speed 6000 rpm; fits RNA69 metric series and linear slide unit uses
✅ Single bearing pack (1 each); approximate weight 0.51 kg; SKU available

💡 What is a needle roller bearing used for in linear slide unit and low-profile shaft applications? Needles give high radial support in tight spaces and are handy when you need a compact, high-load solution. Quick overview: - Ideal for linear slide unit and low-profile shaft setups where sealed ball bearing options are too bulky - Works well as a high-load alternative to sealed ball bearing designs and pairs nicely with ceramic components for mixed setups - Open design with oil holes allows easier lubrication and maintenance for long service life