Patent ID: 7971629

Claim:
A strand guide roller ( 100 ) of a strand guide device for guiding a cast strand ( 200 ), comprising: at least one first sectional roller ( 110 - 1 ) and at least one second sectional roller ( 110 - 2 ) arranged next to each other, the first sectional roller ( 110 - 1 ) having a roller journal ( 112 - 1 ) on an end surface thereof adjacent to the second sectional roller ( 110 - 2 ); at least one middle bearing ( 120 - 1 , 120 - 2 ) in form of an unsplit single bearing located between the first and second sectional rollers ( 110 - 1 , 110 - 2 ) for receiving and supporting the roller journal ( 112 - 1 ) of the first sectional roller; and a plug-in connection formed between the second sectional roller ( 110 - 2 ) and the roller journal ( 112 - 1 ) of the first sectional roller ( 110 - 1 ), for connecting the first and the second sectional roller with each other, the plug-in connection including a bore formed in a surface ( 114 - 2 ) of the second sectional roller ( 110 - 2 ) adjacent to the first sectional roller ( 110 - 1 ), an insert member ( 130 ) received in the bore and having in its center thereof a recess ( 116 - 2 ) for receiving the roller journal ( 112 - 1 ) of the first sectional roller ( 110 - 1 ), and a locking pin ( 132 ) for securing the insert member ( 130 ) in the bore against rotation; wherein a cross-section of the roller journal ( 112 - 1 ) and a cross-section of the receiving recess ( 116 - 2 ) are formed as a polygon.