SKF 7311 BEGBM Angular Contact Ball Bearing with 55 mm bore, brass cage, bearing steel, 40 degree contact angle and 85 kN dynamic load rating delivers precise, smooth operation and durable performance in demanding machinery

SKF 7311 BEGBM deep groove bearing, 55 mm bore
✔️ Single bearing, 55 mm bore, 29 mm width, SKF Explorer

The SKF 7311 BEGBM is a high precision deep groove ball bearing designed for high speed rotation in machinery. It features a machined brass cage and a single piece inner and outer ring, with no seals and no factory lubrication. This type is commonly used in CNC spindles, motors, and precision conveyors where strong radial support at high RPM matters.

✅ Bore diameter 55 mm
✅ Width 29 mm
✅ Basic dynamic load rating 85 kN
✅ Basic static load rating 60 kN
✅ Limiting speed 9,500 r/min
✅ Cage machined brass
✅ Contact angle 40°, normal contact (two-point)
✅ Bearing material: bearing steel
✅ Inner/outer rings: one-piece
✅ Sealing: Without
✅ Lubricant: None
✅ Reference speed: 7,000 r/min

💡 What is a high speed deep groove ball bearing used for in precision machinery? This handy overview covers common roles and performance expectations. - Handy in machine tool spindles and electric motors needing precise, smooth rotation - Common in conveyors and automation equipment where consistent radial support is key - Brass cage helps keep rolling elements evenly spaced at speed - Open bearing design simplifies maintenance and reduces heat buildup in dry environments