Four Bolt Piloted Flange Block With Single Set Collar For 3 Inch Shaft Cast Iron Housing Relubricatable One Piece Cartridge Spherical Roller Bearing Insert Ready-To-Mount Bolt Circle 7.5 Inch Bolt Spacing 5-19/64 Inch Rexnord KBR2300

Four-bolt piloted flange block with 3 in bore, single unit
✔️ 3 in bore, 7.5 in bolt circle, cast-iron housing, relubricatable

Heavy-duty four-bolt piloted flange block with a spherical roller cartridge insert for 3 in shafts. This ready-to-mount unit features a one-piece cast-iron housing and a single setscrew locking collar for secure shaft attachment, ideal for demanding drive systems in mining, construction, and material handling.

✅ Four-bolt housing secures precise alignment on drive shafts
✅ Spherical roller cartridge insert handles radial and axial loads
✅ Relubricatable one-piece housing with light-contact seal
✅ Misalignment tolerance up to 4 degrees for static and dynamic loads
✅ Bolt circle 7.5 in with 3 in bore for standard mounting

💡 What is a four-bolt piloted flange block bearing used for in heavy machinery?

It’s a handy mounting solution for power transmission systems that need reliable load support and alignment.

- Provides secure shaft mounting in rugged environments - Handles radial and axial loads with controlled misalignment - Simplifies maintenance with a relubricatable housing