Tappet arrangement and pump

A Tappet arrangement for a high pressure pump comprises: - a tappet body (101), - a roller (102) arranged partly in the tappet body (101), - a fixing (103) for holding the roller (102) in the tappet body (101) to prevent a movement of the roller (102) in direction of the longitudinal axis (R) of the roller (102), wherein the tappet body (101) comprises: - two curved side surfaces (104) arranged opposite to each other aligned in direction of the longitudinal axis (R) of the roller (102) for movable coupling the tappet arrangement with a pump housing (114) of the high pressure pump.