Caged roller NAU4915 heavy-duty bearing 75×105×30 mm high-carbon steel outer ring with oil holes open 2-row 54,800 N dynamic capacity linear slide unit compatible single piece
✔️ 75×105×30 mm, high-carbon steel, open 2-row, oil holes
This single NAU4915 caged roller bearing is a heavy-duty two-row open unit used in industrial linear slide units, conveyor shafts, and pillow block assemblies where strong radial support and relubrication are needed.
✅ 75 mm inner diameter (I.D.)
✅ 105 mm outer diameter (O.D.)
✅ 30 mm width
✅ High carbon steel raceways and rollers
✅ 54,800 N dynamic load capacity
✅ 88,200 N static load capacity
✅ Max speed 5000 rpm
✅ Operating temp -20 to 120 deg C
✅ Open type, caged heavy-duty, 2-row design
✅ Outer ring with oil holes for relubrication
✅ NAU metric series, model NAU4915, SKU 1912140
✅ Approx. weight 1.650 lb per single piece
💡 What is a two-row caged roller bearing used for in heavy-duty linear slide unit applications? A two-row caged roller bearing delivers high radial capacity and steady guidance for shafts and slides while allowing periodic relubrication for extended service life. - Ideal for heavy radial loads in conveyor shafts, gearboxes, and pillow block bearing mounts; compatible with linear slide unit setups. - Often chosen over sealed ball bearing options when load capacity and on-site relubrication via oil holes matter for maintenance and uptime. - Suited to applications needing rigid support, load sharing across rows, and straightforward field servicing.