Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | NA22/8 | |
| Bore diameter | d | 8 mm |
| Outside diameter | D | 24 mm |
| Width | B | 12 mm |
| Basic dynamic load rating | C | 4.1 kN |
| Basic static load rating | C0 | 4.3 kN |
| Fatigue load limit | Pu | 0.65 kN |
| Limiting speed | nG | 7000 r/min |
| Mass | ≈m | 0.032 kg |
Manufacturer Identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 398748 | |
| Brand | INA | |
| Base Type | NA22/8 | |
| Old Designation | ["NA22/8.2RS","NA 22/8.2RS","NA 22/8 PP"] | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Yoke type track rollers NA22..-2RSR, single row needle roller bearings with particularly thick-walled outer ring, needle roller and cage assembly and an inner ring, without axial guidance of the outer ring, lip seal radial sealing action on both sides, inner ring can be mounted separately | |
| Short Description | Yoke type track roller |
Technical Data13 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 8 mm | |
| Outside Diamater (D) | 24 mm | |
| Width Inner Ring (B) | 12 mm | |
| Basic Dynamic Load Rating, Radial (Cr W) | 4,100 N | |
| Basic Static Load Rating, Radial (C0R W) | 4,300 N | |
| Minimum Mounting Dimension (D1 Min) | 18 mm | |
| Raceway Diameter Inner Ring (F) | 12 mm | |
| Speed On Permanent Grease Lubrication (Nd G) | 7,000 1/min | |
| Width, Outer Ring (C) | 11.8 mm | |
| Minimum Chamfer Dimension (R1 Min) | 0.3 mm | |
| Radius Of Outer Ring Outside Profile (R) | 500 mm | |
| Fatigue Load Limit, Radial (Cur W) | 650 N | |
| Minimum Chamfer Dimension (Rmin) | 0.3 mm |
