INA NATR20 Track roller bearings
Also known as : NATR20
- Inside Diameter: 20 mm
 - Outside Diameter: 47 mm
 - Width: 25 mm
 - Basic dynamic load rating: 15.4 kN
 - Basic static load rating: 26 kN
 

INA NATR20
INA NATR20 details
| d | 20 mm | |
|---|---|---|
| D | 47 mm | |
| B | 25 mm | |
| C | 24 mm | |
| d2 | 36,5 mm | |
| R | 500 mm | Crowning radius | 
| rmin | 1 mm | |
| m | 246 g | Mass | 
| Cr w | 15400 N | Effective dynamic load rating as track roller (radial) | 
| C0r w | 26000 N | Effective static load rating as track roller (radial) | 
| Cur w | 3400 N | Fatigue limit load | 
| nD G | 2400 1/min | Speed (with continuous operation and grease lubrication) | 
| Bearing with gap seals and curvature radius of R = 500 mm | 
 
					INA NATR20 bearing cross reference

NATR20
20 mmx 47 mmx25 mm

NATR8
20 mmx 47 mmx25 mm

NA2210-2RSR
20 mmx 47 mmx25 mm

NA2208-2RSR
20 mmx 47 mmx25 mm

NA2207-2RSR
20 mmx 47 mmx25 mm

NA2206-2RSR
20 mmx 47 mmx25 mm

NA2205-2RSR
20 mmx 47 mmx25 mm

NA2204-2RSR
20 mmx 47 mmx25 mm

NA2203-2RSR
20 mmx 47 mmx25 mm

NA2202-2RSR
20 mmx 47 mmx25 mm

NA2201-2RSR
20 mmx 47 mmx25 mm



