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245/70R19.5 tire size
Truck and trailer tire. 245/70R19.5 is 33.3 – 33.5 inches tall in manufacturer data books, measured on 6 tire models.
What 245/70R19.5 means
245 mm nominal section width, 70 aspect ratio (sidewall height = 70% of width), R radial, for a 19.5-inch rim.
Dimensions
- Overall diameter
- 33.3 in (846 mm) – 33.5 in (851 mm)
- Section width
- 9.1 in (231 mm) – 9.7 in (246 mm)
- Static loaded radius
- 15.4 in (391 mm) – 15.6 in (396 mm)
- Revolutions per mile
- 620 – 624 (385 – 388 per km)
Range across the tire models in the Bridgestone (2017) and Apollo (2023) truck data books; tread depth and model change the numbers.
Load ranges and maximum loads
- Load range F
- 4,080 lb (1,851 kg) @ 95 psi (6.6 bar)
dual: 3,860 lb (1,751 kg) @ 95 psi (6.6 bar) - Load range G
- 4,540 lb (2,059 kg) @ 110 psi (7.6 bar)
dual: 4,300 lb (1,950 kg) @ 110 psi (7.6 bar) - Load range H
- 4,940 lb (2,241 kg) @ 120 psi (8.3 bar)
dual: 4,675 lb (2,121 kg) @ 120 psi (8.3 bar)
Maximum load per tire at the cold pressure shown. Single = 2 tires per axle end-to-end, dual = per tire in a pair.
Sources: Bridgestone Commercial Truck Tire Data Book v17.1, Apollo US TBR Technical Data Book 2023, Bridgestone Load & Inflation Tables 2018 v18.1. Checked October 2026. How we source data.