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 | NNTR140X340X162 | |
| Bore diameter | d | 140 mm |
| Outside diameter | D | 340 mm |
| Width | B | 162 mm |
| Basic dynamic load rating | C | 1200 kN |
| Basic static load rating | C0 | 1970 kN |
| Fatigue load limit | Pu | 265 kN |
| Limiting speed | nG | 220 r/min |
| Mass | ≈m | 87.3 kg |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 399283 | |
| Brand | INA | |
| Base Type | NNTR140X340X162 | |
| 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) | 140 mm | |
| Outside Diamater (D) | 340 mm | |
| Width Inner Ring (B) | 162 mm | |
| Basic Dynamic Load Rating, Radial (Cr W) | 1,200,000 N | |
| Basic Static Load Rating, Radial (C0R W) | 1,970,000 N | |
| Mounting Dimension (D1) | 228 mm | |
| Speed On Permanent Grease Lubrication (Nd G) | 220 1/min | |
| Diameter Lubrication Hole (D3) | 8 mm | |
| Width, Outer Ring (C) | 160 mm | |
| Minimum Chamfer Dimension (R1 Min) | 4 mm | |
| Permissible Static Load, Radial (F0R Per) | 1,970,000 N | |
| Permissible Dynamic Load Outer Ring, Radial (Fr Per) | 1,450,000 N | |
| Stop Diameter Of Thrust Washer (D2) | 186 mm | |
| Radius Of Outer Ring Outside Profile (R) | 15,000 mm | |
| Fatigue Load Limit, Radial (Cur W) | 265,000 N | |
| Minimum Chamfer Dimension (Rmin) | 4 mm |