Twin Plain Linear Bearing Pillow Block - PWN12C 3/4" Open, Self-Aligning, Compensated ID RST while the other two provide

while the other two provide balanced support to optimize load distribution

Vibration damping

Outer Diameter: 3

Steel Material - 3 Roller Bearings made of Carbon Steel

with a 40mm precision ID for round shafts

Twin Plain Linear Bearing Pillow Block - PWN12C 3/4" Open, Self-Aligning, Compensated ID RST while the other two provideTwin plain linear bearing pillow block, open, with a 3 4" compensated ID. This self aligning, mountable aluminum alloy pillow block bearing uses a twin sized open shelled design for added bearing surface and shaft support. The inserted open shell Simplicity plain bearing can tilt slightly within the housing to compensate for up to 1 2 misalignment from centerline in all directions, helping reduce binding from minor shaft deflection or parallel shaft