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 | NNTR120X290X135 | |
| Bore diameter | d | 120 mm |
| Outside diameter | D | 290 mm |
| Width | B | 135 mm |
| Basic dynamic load rating | C | 870 kN |
| Basic static load rating | C0 | 1420 kN |
| Fatigue load limit | Pu | 197 kN |
| Limiting speed | nG | 260 r/min |
| Mass | ≈m | 51.95 kg |
Manufacturer Identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 399279 | |
| Brand | INA | |
| Base Type | NNTR120X290X135 | |
| Old Designation | ["NNTR 120X290X135.2ZL"] | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Yoke type track roller NNTR..-2ZL, CRB, full complement roller set, two-row, with inner ring, 3 ribs on outer ring, not pallet changer | |
| Short Description | Yoke type track roller |
Technical Data16 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 120 mm | |
| Outside Diamater (D) | 290 mm | |
| Width Inner Ring (B) | 135 mm | |
| Basic Dynamic Load Rating, Radial (Cr W) | 870,000 N | |
| Basic Static Load Rating, Radial (C0R W) | 1,420,000 N | |
| Mounting Dimension (D1) | 191 mm | |
| Speed On Permanent Grease Lubrication (Nd G) | 260 1/min | |
| Diameter Lubrication Hole (D3) | 8 mm | |
| Width, Outer Ring (C) | 133 mm | |
| Minimum Chamfer Dimension (R1 Min) | 3 mm | |
| Permissible Static Load, Radial (F0R Per) | 1,420,000 N | |
| Permissible Dynamic Load Outer Ring, Radial (Fr Per) | 1,110,000 N | |
| Stop Diameter Of Thrust Washer (D2) | 155 mm | |
| Radius Of Outer Ring Outside Profile (R) | 15,000 mm | |
| Fatigue Load Limit, Radial (Cur W) | 197,000 N | |
| Minimum Chamfer Dimension (Rmin) | 4 mm |