MACHINE TOOL SPINDLE BEARING SELECTION & …
MACHINE TOOL SPINDLE BEARING SELECTION & MOUNTING GUIDE 7 Ultra High Precision Angular Contact Ball Bearings High performance bearings developed specifically for internal grinding or high-speed motor applications under spring preload. › Bore size range: ø6–25 mm, contact angle: 15˚ › Ball material: steel (S type), ceramic (H and X type)