INA STO40 Track roller bearings
Also known as : STO40, NAST40R
- Inside Diameter: 40 mm
- Outside Diameter: 80 mm
- Width: 20 mm
- Basic dynamic load rating: 23.7 kN
- Basic static load rating: 39.5 kN

INA STO40
INA STO40 details
d | 40 mm | |
---|---|---|
D | 80 mm | |
B | 20 mm | |
C | 19,8 mm | |
E | 58 mm | |
F | 50 mm | Raceway diameter of inner ring |
R | 500 mm | Crowning radius |
rmin | 1 mm | |
m | 530 g | Mass |
Cr w | 23700 N | Effective dynamic load rating as track roller (radial) |
C0r w | 39500 N | Effective static load rating as track roller (radial) |
Cur w | 5900 N | Fatigue limit load |
nD G | 850 1/min | Speed (with continuous operation and grease lubrication) |

INA STO40 bearing cross reference

NATR20
40 mmx 80 mmx20 mm

NATR8
40 mmx 80 mmx20 mm

NA2210-2RSR
40 mmx 80 mmx20 mm

NA2208-2RSR
40 mmx 80 mmx20 mm

NA2207-2RSR
40 mmx 80 mmx20 mm

NA2206-2RSR
40 mmx 80 mmx20 mm

NA2205-2RSR
40 mmx 80 mmx20 mm

NA2204-2RSR
40 mmx 80 mmx20 mm

NA2203-2RSR
40 mmx 80 mmx20 mm

NA2202-2RSR
40 mmx 80 mmx20 mm

NA2201-2RSR
40 mmx 80 mmx20 mm
