Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications12 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | NJ2311 | |
| Bore diameter | d | 55 mm |
| Outside diameter | D | 120 mm |
| Width | B | 43 mm |
| Basic dynamic load rating | C | 235 kN |
| Basic static load rating | C0 | 230 kN |
| Fatigue load limit | Pu | 44 kN |
| Reference speed | nref | 4500 r/min |
| Limiting speed | nG | 10400 r/min |
| Mass | ≈m | 2.5 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 150 °C |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 851221 | |
| Brand | INA | |
| Base Type | NJ2311 | |
| X Life Marking | XL |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Cylindrical roller bearing NJ..-E-XL-M1, with cage, single row, semi-locating bearing, 2 ribs on outer ring, 1 rib on inner ring, type NJ | |
| Short Description | Cylindrical roller bearing |
Technical Data22 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 55 mm | |
| Outside Diamater (D) | 120 mm | |
| Total Width (B) | 43 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 235,000 N | |
| Basic Static Load Rating, Radial (C0R) | 230,000 N | |
| Raceway Diameter Inner Ring (F) | 70.5 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 66 mm | |
| Operating Temperature Max. (Tmax) | 150 °C | |
| Limiting Speed (Limiting Spe) | 10,400 1/min | |
| Minimum Shaft Shoulder (Dc Min) | 80 mm | |
| Reference Speed (Nϑr) | 4,500 1/min | |
| Maximum Recess Radius (Ra Max) | 2 mm | |
| Maximum Diameter Of Housing Shoulder (Da) | 109 mm | |
| Maximum Rib Diameter Inner Ring (D1) | 77.5 mm | |
| Minimum Chamfer Dimension (R1 Min) | 2 mm | |
| Axial Displacement (S) | 3.3 mm | |
| Minimum Rib Diameter Outer Ring (D1 Min) | 101.42 mm | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 69 mm | |
| Minimum Chamfer Dimension (Rmin) | 2 mm | |
| Raceway Diameter Outer Ring (E) | 106.5 mm | |
| Fatigue Load Limit, Radial (Cur) | 44,000 N |
