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 | QJ1068 | |
| Bore diameter | d | 340 mm |
| Outside diameter | D | 520 mm |
| Width | B | 82 mm |
| Basic dynamic load rating | C | 760 kN |
| Basic static load rating | C0 | 1640 kN |
| Fatigue load limit | Pu | 44 kN |
| Reference speed | nref | 960 r/min |
| Limiting speed | nG | 2070 r/min |
| Mass | ≈m | 67.5 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 | 200 °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 | S1 | Rings dimensional stabilized up to 200° |
| Axial internal clearance | C3 | Group 3 (C3), bigger than CN |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 340 mm13.386 in |
| Outside diameter | D | 520 mm20.472 in |
| Width | B | 82 mm3.228 in |
| Basic dynamic load rating, radial | Cr | 760,000 N170,863.309 lbf |
| Basic static load rating, radial | C0r | 1,640,000 N368,705.036 lbf |
| Fatigue load limit, radial | Cur | 44,000 N9,892.086 lbf |
| Limiting speed | nG | 2,070 1/min |
| Reference speed | nϑr | 960 1/min |
| Mass | ≈m | 67.5 kg148.812 lbs |
Mounting dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 358 mm14.094 in |
| Maximum diameter of housing shoulder | Da max | 502 mm19.764 in |
| Maximum fillet radius | ra max | 4 mm0.157 in |
Dimensions5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 5 mm0.197 in |
| Shoulder diameter outer ring | D1 | 459 mm18.071 in |
| Shoulder diameter inner ring | d1 | 403.75 mm15.896 in |
| Distance between the apexes of the pressure cones | a | 301.1 mm11.854 in |
| Contact angle | α | 35 ° |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -30 °C-22 °F |
| Operating temperature max. | Tmax | 200 °C392 °F |
Capabilities & suitability7 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 | |
| Largebearing | Yes |
Manufacturer Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 366414 | |
| Brand | FAG | |
| Base Type | QJ1068 | |
| Old Designation | ["QJ1068MPA.C3"] | |
| SAP material number | 0192599560030 | |
| Base product | 230508AD41 | |
| Bearing X designation | QJ1068-MPA-C3 | |
| Mounting Manager ID | QJ1068-MPA-C3 | |
| Grease application ID | QJ1068-MPA-C3 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Four point contact bearing QJ10..-MPA, solid brass cage | |
| Short Description | Four-point contact bearing |
Technical Data18 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 340 mm | |
| Outside Diameter (D) | 520 mm | |
| Width (B) | 82 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 760,000 N | |
| Basic Static Load Rating, Radial (C0R) | 1,640,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed (Ng) | 2,070 1/min | |
| Operating Temperature Max. (Tmax) | 200 °C | |
| Reference Speed (Nϑr) | 960 1/min | |
| Fatigue Load Limit, Radial (Cur) | 44,000 N | |
| Minimum Diameter Shaft Shoulder (Da Min) | 358 mm | |
| Shoulder Diameter Inner Ring (D1) | 403.75 mm | |
| Maximum Diameter Of Housing Shoulder (Da Max) | 502 mm | |
| Minimum Chamfer Dimension (Rmin) | 5 mm | |
| Maximum Fillet Radius (Ra Max) | 4 mm | |
| Shoulder Diameter Outer Ring (D1) | 459 mm | |
| Contact Angle (Α) | 35 ° | |
| Distance Between The Apexes Of The Pressure Cones (A) | 301.1 mm |
