LINEAR TECHNOLOGY 2.4Rail informationRail lengths Tolerances for rail lengthsand attaching holes
L 3 L 3 L 5 L 4 L 10 L 5 L 4 L 10 Technical Data 8 L Standard rail lengths L
3 (length in mm) Size L
4 L
5 , L
10 L
8 L
3 Max L
3 7 155–40, 55, 70, 85, …, 760760 9 207.5–55, 75, 95, 115, …, 935935 12 2510–70, 95, 120, 145, …, 945945 15 4015–70, 110, 150, 190, …, 950950 14 3010–80, 110, 140, 170, …, 740740 18 3010–80, 110, 140, 170, …, 950950 24 4015–110, 150, 190, 230, …, 950950 42 401523110. 150. 190, 230, …, 950950 Custom rail lengths Other rail lengths are available up to the maximum rail lengths above and are calculated according to the following formula:
3 = (n-1) •L
4 + L
5 + L
10 n = 3, 4, 5… (n = number of attaching holes) The following minimum and maximum values should be maintained for the starting holepitch L
5 and the end hole pitch L
10 . Minimum and maximum starting and end hole pitch L
5 , L
10 (lengths in mm) Size 79121514182442L
5 , L
10 minimum 45555566 L
5 , L
10 maximum 1115203525253434 The position tolerance of the attaching holes and the length tolerance is: L RailL
3 , X
n ≤ 300 mmL
3 , X
n 300 mmt (mm)0.30.001 • X
n L
3 ± 0.3
± 0.001 • L
3 L 3 L n L 4 4 t XXXX0 n321 • 9