INA RSTO45 Track roller bearings
Also known as : RSTO45, RNAST45R
- Inside Diameter: 55 mm
- Outside Diameter: 85 mm
- Width: 19.8 mm
- Basic dynamic load rating: 25 kN
- Basic static load rating: 43.5 kN

INA RSTO45
INA RSTO45 details
Fw | 55 mm | Needle roller enveloping circle in tolerance zone F6 |
---|---|---|
D | 85 mm | |
C | 19,8 mm | |
E | 63 mm | |
R | 500 mm | Crowning radius |
rmin | 1 mm | |
m | 453 g | Mass |
Cr w | 25000 N | Effective dynamic load rating as track roller (radial) |
C0r w | 43500 N | Effective static load rating as track roller (radial) |
Cur w | 5900 N | Fatigue limit load |
nD G | 750 1/min | Speed (with continuous operation and grease lubrication) |

INA RSTO45 bearing cross reference

NATR20
55 mmx 85 mmx19.8 mm

NATR8
55 mmx 85 mmx19.8 mm

NA2210-2RSR
55 mmx 85 mmx19.8 mm

NA2208-2RSR
55 mmx 85 mmx19.8 mm

NA2207-2RSR
55 mmx 85 mmx19.8 mm

NA2206-2RSR
55 mmx 85 mmx19.8 mm

NA2205-2RSR
55 mmx 85 mmx19.8 mm

NA2204-2RSR
55 mmx 85 mmx19.8 mm

NA2203-2RSR
55 mmx 85 mmx19.8 mm

NA2202-2RSR
55 mmx 85 mmx19.8 mm

NA2201-2RSR
55 mmx 85 mmx19.8 mm
