Dodge® imperial spherical roller bearings are the only high-capacity double-row spherical roller bearings with an effective easy-on, easy-off adapter mounting and removal system. Not only does this patented system provide a concentric grip for superior holding on the shaft, but it reduces the fretting corrosion caused by traditional setscrews and vibration. Dodge® Pillow Block Roller Bearing Unit, Imperial, 2-7/16 in Bore, 6.94 to 7.31 in Bolt Center-to-Center Length, 2-3/4 in Base to Bore Centerline, 9-1/4 in Overall Length, 3.42 in Overall Width, 5.59 in Overall Height, Two-Bolt Base Mounting, Round Bore, 2.86 in Base Width, Adapter Mounted Locking Device, Trident™ Triple Lip Seal, Non-Expansion (Fixed) Expansion, 39000 lb Dynamic/47500 lb Static Load, 2400 RPM Maximum, Cast Iron, Uncoated