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 | NJ2317 | |
| Bore diameter | d | 80 mm |
| Outside diameter | D | 170 mm |
| Width | B | 58 mm |
| Basic dynamic load rating | C | 520 kN |
| Basic static load rating | C0 | 425 kN |
| Fatigue load limit | Pu | 79 kN |
| Reference speed | nref | 3450 r/min |
| Limiting speed | nG | 7200 r/min |
| Mass | ≈m | 6.6 kg |
| Precision class | PN — Normal (ISO 492:2023) | |
| Internal clearance | C4 (Group 4) — Internal clearance larger than C3 | |
| 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 | C4 (Group 4) | Internal clearance larger than C3 |
| 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 | 80 mm3.15 in |
| Outside diameter | D | 170 mm6.693 in |
| Width | B | 58 mm2.283 in |
| Basic dynamic load rating, radial | Cr | 520,000 N116,906.475 lbf |
| Basic static load rating, radial | C0r | 425,000 N95,548.561 lbf |
| Fatigue load limit, radial | Cur | 79,000 N17,760.791 lbf |
| Limiting speed | nG | 7,200 1/min |
| Reference speed | nϑr | 3,450 1/min |
| Mass | ≈m | 6.6 kg14.55 lbs |
Mounting dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 92 mm3.622 in |
| Maximum diameter of shaft shoulder | da max | 99 mm3.898 in |
| Maximum diameter of housing shoulder | Da max | 158 mm6.22 in |
Dimensions7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 2.1 mm0.083 in |
| Minimum chamfer dimension | r1 min | 2.1 mm0.083 in |
| Axial displacement | s | 3.7 mm0.146 in |
| Raceway diameter outer ring | E | 151 mm5.945 in |
| Raceway diameter inner ring | F | 101 mm3.976 in |
| Minimum rib diameter outer ring | D1 min | 143.94 mm5.667 in |
| Maximum rib diameter inner ring | d1 | 110.4 mm4.346 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 | 2495985 | |
| Brand | FAG | |
| Base Type | NJ2317 | |
| SAP material number | 3003492200040 | |
| 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) | 80 mm | |
| Outside Diamater (D) | 170 mm | |
| Total Width (B) | 58 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 520,000 N | |
| Basic Static Load Rating, Radial (C0R) | 425,000 N | |
| Raceway Diameter Inner Ring (F) | 101 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 92 mm | |
| Operating Temperature Max. (Tmax) | 150 °C | |
| Limiting Speed (Limiting Spe) | 7,200 1/min | |
| Reference Speed (Nϑr) | 3,450 1/min | |
| Maximum Diameter Of Housing Shoulder (Da) | 158 mm | |
| Maximum Rib Diameter Inner Ring (D1) | 110.4 mm | |
| Minimum Chamfer Dimension (R1 Min) | 2.1 mm | |
| Axial Displacement (S) | 3.7 mm | |
| Minimum Rib Diameter Outer Ring (D1 Min) | 143.94 mm | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 99 mm | |
| Minimum Chamfer Dimension (Rmin) | 2.1 mm | |
| Raceway Diameter Outer Ring (E) | 151 mm | |
| Fatigue Load Limit, Radial (Cur) | 79,000 N |
