Features Two-bolt housing with ball bearing insert for ready-to-mount installation Setscrew locking collar for secure attachment to guided shaft Between the inner bearing and outer fixing ring angle can fine tune Easy to install Features: - Two-bolt housing with ball bearing insert for ready-to-mount installation. - Setscrew locking collar for secure attachment to guided shaft. - Between the inner bearing and outer fixing ring angle can fine tune. - Easy to install. Specifications: 8mm type: - Inside diameter: 8mm - The 2 fixing hole spacing:42mm - Fixed hole diameter:6.6mm 10mm type: - Inside diameter: 10mm - The 2 fixing hole spacing: 45mm - Fixed hole diameter: 7mm 12mm type: - Inside diameter:12mm - The 2 fixing hole spacing:55mm - Fixed hole diameter:6.6mm 20mm type: - Inside diameter: 20mm - The 2 fixing hole spacing: 70mm - Fixed hole diameter: 10mm Material: zinc alloy Package Included: 1pcs Bore Diameter Ball Bearing Pillow Block (Size is based on what you select) Package List