SKF 61864 MA C3 Heavy Duty Cylindrical Roller Bearing 320 mm Bore Machined Cage No Coating No Lubricant 172 kN Dynamic Rating 255 kN Static Rating 2400 Rpm
✔️ 320 mm bore, 400 mm OD, machined cage, open, no lubricant
SKF 61864 MA is a heavy-duty cylindrical roller bearing with a 320 mm bore. This open design features a machined cage, no coating and no lubricant, making it ideal for high radial load applications in conveyors, presses, and heavy machinery where easy relubrication and inspection are needed. If you need a sealed ball bearing variant, look for models with shields or seals.
✅ Bore: 320 mm (12.60 in)
✅ Outer diameter: 400 mm (15.75 in)
✅ Width: 38 mm (1.50 in)
✅ Radial internal clearance: C3
✅ Dynamic load rating: 172 kN
✅ Static load rating: 255 kN
✅ Cage: machined (solid)
✅ Material: bearing steel
✅ Lubrication: none
✅ Sealing: without
✅ Limiting speed: 2400 r/min
✅ Reference speed: 3000 r/min
💡 What is a cylindrical roller bearing used for in heavy machinery setups and long shafts?
Handy for heavy radial loads on straight shafts and in rigid machinery where easy maintenance matters.
- High radial load capacity on shafts and guides- Works well in alignment‑critical equipment like presses and conveyors
- Easy to replace in standard housings with metric diameters