Unit: Degree minute (Decimal degree)
Item
Standard
Inner wheel
Minimum
33°52′ (33.86°)
Nominal
36°22′ (36.36°)
Maximum
38°52′ (38.86°)
Outer wheel
Minimum
28°30′ (28.50°)
Nominal
31°00′ (31.00°)
Maximum
33°30′ (33.50°)