According to CZ Standard
TRADE MARK CZ | PITCH | INSIDE WIDTH | ROLLER DIAMETER | DIMENSION | DIMENSION | ATTACHMENT HOLE DIAMETER | DIMENSION | DIMENSION | DIMENSION | ATTACHMENT PLATE THICKNESS | SIDE BOW | BREAKING LOAD | | | p | b1(min) | d1(max) | A | B | D | E | C | G | F | R | FB(min) | | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | N | | 08 B-1 K7 | 12,70 | 7,75 | 8,50 | 24,00 | 8,90 | 4,30 | 12,90 | 18,90 | 12,70 | 1,50 | 400 | 18 690 | |