Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications15 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | NJ2340 | |
| Bore diameter | d | 200 mm |
| Outside diameter | D | 420 mm |
| Width | B | 138 mm |
| Basic dynamic load rating | C | 2550 kN |
| Basic static load rating | C0 | 2900 kN |
| Fatigue load limit | Pu | 315 kN |
| Reference speed | nref | 940 r/min |
| Limiting speed | nG | 2330 r/min |
| Mass | ≈m | 96.6 kg |
| Precision class | PN — Normal (ISO 492:2023) | |
| Internal clearance | C3 (Group 3) — Internal clearance larger than CN | |
| Cage | MPAX — One Piece Brass Cage Lip Guided | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 150 °C |
Product characteristics5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Design | E | Increased Capacity Design |
| Cage | MPAX | One Piece Brass Cage Lip Guided |
| Radial internal clearance | C3 (Group 3) | Internal clearance larger than CN |
| Tolerance class | PN | Normal (ISO 492:2023) |
| Number of rows | 1 | Single-row design |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 200 mm7.874 in |
| Outside diameter | D | 420 mm16.535 in |
| Width | B | 138 mm5.433 in |
| Basic dynamic load rating, radial | Cr | 2,550,000 N573,291.367 lbf |
| Basic static load rating, radial | C0r | 2,900,000 N651,978.417 lbf |
| Fatigue load limit, radial | Cur | 315,000 N70,818.345 lbf |
| Limiting speed | nG | 2,330 1/min |
| Reference speed | nϑr | 940 1/min |
| Mass | ≈m | 96.6 kg212.966 lbs |
Mounting dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 220 mm8.661 in |
| Maximum diameter of shaft shoulder | da max | 250.7 mm9.87 in |
| Maximum diameter of housing shoulder | Da max | 400 mm15.748 in |
Dimensions7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 5 mm0.197 in |
| Minimum chamfer dimension | r1 min | 5 mm0.197 in |
| Axial displacement | s | 11.3 mm0.445 in |
| Raceway diameter outer ring | E | 377 mm14.843 in |
| Raceway diameter inner ring | F | 253 mm9.961 in |
| Minimum rib diameter outer ring | D1 min | 352.2 mm13.866 in |
| Maximum rib diameter inner ring | d1 | 200 mm7.874 in |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -30 °C-22 °F |
| Operating temperature max. | Tmax | 150 °C302 °F |
Capabilities & suitability6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Radial load capacity | Yes | |
| Axial load capacity in one direction | Yes | |
| Suitable for grease lubrication | Yes | |
| Suitable for oil lubrication | Yes | |
| Unsealed design | Yes | |
| Largebearing | Yes |
Manufacturer Identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 2496634 | |
| Brand | FAG | |
| Base Type | NJ2340 | |
| SAP material number | 3004479060030 | |
| Base product | 2305090111 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Cylindrical roller bearing NJ..-E..-MPAX-ILR, 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 Data20 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 200 mm | |
| Outside Diamater (D) | 420 mm | |
| Total Width (B) | 138 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 2,550,000 N | |
| Basic Static Load Rating, Radial (C0R) | 2,900,000 N | |
| Raceway Diameter Inner Ring (F) | 253 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 220 mm | |
| Operating Temperature Max. (Tmax) | 150 °C | |
| Limiting Speed (Limiting Spe) | 2,330 1/min | |
| Reference Speed (Nϑr) | 940 1/min | |
| Maximum Diameter Of Housing Shoulder (Da) | 400 mm | |
| Maximum Rib Diameter Inner Ring (D1) | 200 mm | |
| Minimum Chamfer Dimension (R1 Min) | 5 mm | |
| Axial Displacement (S) | 11.3 mm | |
| Minimum Rib Diameter Outer Ring (D1 Min) | 352.2 mm | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 250.7 mm | |
| Minimum Chamfer Dimension (Rmin) | 5 mm | |
| Raceway Diameter Outer Ring (E) | 377 mm | |
| Fatigue Load Limit, Radial (Cur) | 315,000 N |
