Hereby it is possible to roll with very large roller diameters without ensuing significant risk of the rollers being undesirably deformed during the roller process.

The roller body may also include a second roller tread (156) disposed between the first and second ends of the roller body.

Rolling bearings with a shaft are mounted between the two hall-hubs.

The roller body may include a first roller tread (154) disposed between a first end of the roller body and a second end of the roller body.

The fact that the eased areas are located on the camshaft and not on the roller (31) means that the hydrodynamics between the roller (31) and the roller shoe (30) can be perfected.

A messenger groove is formed between the two rotatable roller halves.

Said means preferably comprise at least a roller (74) mobile between a position bringing it close to the fixed roller (72) and a position keeping it away from said fixed roller.

The roller rotates freely about the shaft and has no bearing between the roller and shaft.

The support includes also an upper carry idler arrangement suspended between the upright members.

The conveyor roller may then easily be skewed by locating the shafts on the opposite ends of the roller in non-aligned openings of the roller isolator bushing.

A lost motion spring is provided between the upper, inner cam follower and the lower, inner cam follower.

The inserts are embedded in the surface of the roller and extend into an outer section of the roller.

A roller (24) is disposed between the two sidewalls freely rotating on the connecting pin.

An adhesive sheet (S) is set between the drive roller (80) and the take-up roller (81) and a leading end of the adhesive sheet (S) is fixed to the take-up roller (81).

Engagement between the cam and the cam follower may be configured to move the cam follower longitudinally in response to relative rotation between the cam and the cam follower.