Tubing bundle supports comprise body parts clamped around split rotatable sleeves. In one embodiment, spring mounted peripheral shoes and rotatable tubing bundle support sleeves allow metal tubes and tubing bundles to be routed inside a conduit in spaced apart positions and resistant to vibration. In another embodiment, split pillow block sections are clamped around a split rotatable sleeve. In an embodiment, the split pillow block support is held to a strut channel by a strut channel nut.