Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications14 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | QJ314 | |
| Bore diameter | d | 70 mm |
| Outside diameter | D | 150 mm |
| Width | B | 35 mm |
| Basic dynamic load rating | C | 198 kN |
| Basic static load rating | C0 | 165 kN |
| Fatigue load limit | Pu | 11.8 kN |
| Reference speed | nref | 4200 r/min |
| Limiting speed | nG | 8900 r/min |
| Mass | ≈m | 3.136 kg |
| Precision class | PN — Normal (ISO 492:2023) | |
| Cage | MPA — Solid brass cage, outer ring guided | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 150 °C |
Product characteristics4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Tolerance class | PN | Normal (ISO 492:2023) |
| Cage | MPA | Solid brass cage, outer ring guided |
| Dimensional / heat stabilization | S0 | Rings dimensional stabilized up to 150° |
| Axial internal clearance | C3 | Group 3 (C3), bigger than CN |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 70 mm2.756 in |
| Outside diameter | D | 150 mm5.906 in |
| Width | B | 35 mm1.378 in |
| Basic dynamic load rating, radial | Cr | 198,000 N44,514.388 lbf |
| Basic static load rating, radial | C0r | 165,000 N37,095.324 lbf |
| Fatigue load limit, radial | Cur | 11,800 N2,652.878 lbf |
| Limiting speed | nG | 8,900 1/min |
| Reference speed | nϑr | 4,200 1/min |
| Mass | ≈m | 3.136 kg6.914 lbs |
Mounting dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 82 mm3.228 in |
| Maximum diameter of housing shoulder | Da max | 138 mm5.433 in |
| Maximum fillet radius | ra max | 2.1 mm0.083 in |
Dimensions5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 2.1 mm0.083 in |
| Shoulder diameter outer ring | D1 | 123.6 mm4.866 in |
| Shoulder diameter inner ring | d1 | 97.7 mm3.846 in |
| Distance between the apexes of the pressure cones | a | 77 mm3.031 in |
| Contact angle | α | 35 ° |
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 | |
| Axial load capacity in both directions | Yes | |
| Suitable for grease lubrication | Yes | |
| Suitable for oil lubrication | Yes | |
| Unsealed design | Yes |
Manufacturer Identity10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 366846 | |
| Brand | FAG | |
| Base Type | QJ314 | |
| Old Designation | ["QJ314-MPA-C3"] | |
| X Life Marking | XL | |
| SAP material number | 0167425910030 | |
| Base product | 230508AD41 | |
| Bearing X designation | QJ314-XL-MPA-C3 | |
| Mounting Manager ID | QJ314-XL-MPA-C3 | |
| Grease application ID | QJ314-XL-MPA-C3 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Four point contact bearing QJ3..-XL-MPA, X-life, solid brass cage | |
| Short Description | Four-point contact bearing |
Technical Data18 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 70 mm | |
| Outside Diameter (D) | 150 mm | |
| Width (B) | 35 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 198,000 N | |
| Basic Static Load Rating, Radial (C0R) | 165,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed (Ng) | 8,900 1/min | |
| Operating Temperature Max. (Tmax) | 150 °C | |
| Reference Speed (Nϑr) | 4,200 1/min | |
| Fatigue Load Limit, Radial (Cur) | 11,800 N | |
| Minimum Diameter Shaft Shoulder (Da Min) | 82 mm | |
| Shoulder Diameter Inner Ring (D1) | 97.7 mm | |
| Maximum Diameter Of Housing Shoulder (Da Max) | 138 mm | |
| Minimum Chamfer Dimension (Rmin) | 2.1 mm | |
| Maximum Fillet Radius (Ra Max) | 2.1 mm | |
| Shoulder Diameter Outer Ring (D1) | 123.6 mm | |
| Contact Angle (Α) | 35 ° | |
| Distance Between The Apexes Of The Pressure Cones (A) | 77 mm |
