A roll line for a continuous casting machine, comprising, - at least two roll modules (1, 1), - wherein each roll module comprises, - a shaft extending in an axial direction and presenting a first and a second axial end (21, 22), - a roll mantle, presenting a cylindrically shaped outer peripheral surface extending in an axial direction and a cylindrically shaped inner peripheral surface extending in the same axial direction, wherein the roll mantle further presents a first and a second axial end (33, 34), - a first and a second bearing (41, 42) mounted in-between the shaft and the inner peripheral surface of the roll mantle, such that the first and second bearing (41, 42) allows a relative rotation between the shaft and the roll mantle, - wherein the first and second axial end of the shaft (21, 22) is extending axially outside the first and second axial end (33, 34) of the roll mantle respectively, such that the shaft presents a first and a second axially extending shaft protrusion (23, 24), - wherein the roll module further comprising a first and a second locking means (51, 52) for axially locking the first and second bearing (41, 42) and the roll mantle to the shaft, the first and second locking means (51, 52) being located at least partly on the first and second respective shaft protrusion (23,24), wherein the first locking means intersect a plane being orthogonal to the axial direction of the shaft and axially located at the first axial end of the roll mantle, and wherein the second locking means intersect a plane being orthogonal to the axial direction of the shaft and axially located at the second axial end of the roll mantle, - wherein the roll modules (1, 1) are subsequently located along an axial line and wherein the at least two roll modules are supported in two end support blocks (73, 74) and at least one intermediate support block (71, 72), - wherein the at least one intermediate support block (71, 72) presents an axial through-hole for receiving two opposing shaft protrusions (23, 24) of two of the at least two roll modules (1, 1). - at least two roll modules (1, 1), - wherein each roll module comprises, - a shaft extending in an axial direction and presenting a first and a second axial end (21, 22), - a roll mantle, presenting a cylindrically shaped outer peripheral surface extending in an axial direction and a cylindrically shaped inner peripheral surface extending in the same axial direction, wherein the roll mantle further presents a first and a second axial end (33, 34), - a first and a second bearing (41, 42) mounted in-between the shaft and the inner peripheral surface of the roll mantle, such that the first and second bearing (41, 42) allows a relative rotation between the shaft and the roll mantle, - wherein the first and second axial end of the shaft (21, 22) is extending axially outside the first and second axial end (33, 34) of the roll mantle respectively, such that the shaft presents a first and a second axially extending shaft protrusion (23, 24), - wherein the roll module further comprising a first and a second locking means (51, 52) for axially locking the first and second bearing (41, 42) and the roll mantle to the shaft, the first and second locking means (51, 52) being located at least partly on the first and second respective shaft protrusion (23,24), wherein the first locking means intersect a plane being orthogonal to the axial direction of the shaft and axially located at the first axial end of the roll mantle, and wherein the second locking means intersect a plane being orthogonal to the axial direction of the shaft and axially located at the second axial end of the roll mantle, - wherein the roll modules (1, 1) are subsequently located along an axial line and wherein the at least two roll modules are supported in two end support blocks (73, 74) and at least one intermediate support block (71, 72), - wherein the at least one intermediate support block (71, 72) presents an axial through-hole for receiving two opposing shaft protrusions (23, 24) of two of the at least two roll modules (1, 1).