JIS Standard Belt Width Type Dimension Angle ΦD L1 m M hnbt β=20° β=30° β=35° β=45° BHBHBHBH 400 CRS-400 89.1 145 640 690 125 560419 xt6 . 52 261 604 294 - - - - L60xt6 650 CRS-650 225 890 940 695 266 640 302 - - - - 600 CRS-600-2 114.3 210 840 890 150 643 282 300-4 .