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 | NJ2348 | |
| Bore diameter | d | 240 mm |
| Outside diameter | D | 500 mm |
| Width | B | 155 mm |
| Basic dynamic load rating | C | 3200 kN |
| Basic static load rating | C0 | 3750 kN |
| Fatigue load limit | Pu | 380 kN |
| Reference speed | nref | 750 r/min |
| Limiting speed | nG | 1940 r/min |
| Mass | ≈m | 152 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 | 240 mm9.449 in |
| Outside diameter | D | 500 mm19.685 in |
| Width | B | 155 mm6.102 in |
| Basic dynamic load rating, radial | Cr | 3,200,000 N719,424.46 lbf |
| Basic static load rating, radial | C0r | 3,750,000 N843,075.54 lbf |
| Fatigue load limit, radial | Cur | 380,000 N85,431.655 lbf |
| Limiting speed | nG | 1,940 1/min |
| Reference speed | nϑr | 750 1/min |
| Mass | ≈m | 152 kg335.102 lbs |
Mounting dimensions2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Maximum diameter of shaft shoulder | da max | 301 mm11.85 in |
| Maximum diameter of housing shoulder | Da max | 480 mm18.898 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 | 13.3 mm0.524 in |
| Raceway diameter outer ring | E | 447 mm17.598 in |
| Raceway diameter inner ring | F | 303 mm11.929 in |
| Minimum rib diameter outer ring | D1 min | 418.2 mm16.465 in |
| Maximum rib diameter inner ring | d1 | 331.8 mm13.063 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 | 2496643 | |
| Brand | FAG | |
| Base Type | NJ2348 | |
| SAP material number | 3004493300030 | |
| 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 Data19 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 240 mm | |
| Outside Diamater (D) | 500 mm | |
| Total Width (B) | 155 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 3,200,000 N | |
| Basic Static Load Rating, Radial (C0R) | 3,750,000 N | |
| Raceway Diameter Inner Ring (F) | 303 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Operating Temperature Max. (Tmax) | 150 °C | |
| Limiting Speed (Limiting Spe) | 1,940 1/min | |
| Reference Speed (Nϑr) | 750 1/min | |
| Maximum Diameter Of Housing Shoulder (Da) | 480 mm | |
| Maximum Rib Diameter Inner Ring (D1) | 331.8 mm | |
| Minimum Chamfer Dimension (R1 Min) | 5 mm | |
| Axial Displacement (S) | 13.3 mm | |
| Minimum Rib Diameter Outer Ring (D1 Min) | 418.2 mm | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 301 mm | |
| Minimum Chamfer Dimension (Rmin) | 5 mm | |
| Raceway Diameter Outer Ring (E) | 447 mm | |
| Fatigue Load Limit, Radial (Cur) | 380,000 N |
