Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications13 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 750 mm |
| Outside diameter | D | 920 mm |
| Width | B | 78 mm |
| Basic dynamic load rating | C | 1440 kN |
| Basic static load rating | C0 | 3450 kN |
| Fatigue load limit | Pu | 295 kN |
| Limiting speed | nG | 1240 r/min |
| Mass | ≈m | 114 kg |
| Precision class | PN — Normal (ISO 492:2023) | |
| Internal clearance | CN (Group N) — Normal internal clearance | |
| Cage | MPAX — One Piece Brass Cage Lip Guided | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 150 °C |
Product characteristics4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Cage | MPAX | One Piece Brass Cage Lip Guided |
| Radial internal clearance | CN (Group N) | Normal internal clearance |
| Tolerance class | PN | Normal (ISO 492:2023) |
| Number of rows | 1 | Single-row design |
Main Dimensions & Performance Data8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 750 mm29.528 in |
| Outside diameter | D | 920 mm36.22 in |
| Width | B | 78 mm3.071 in |
| Basic dynamic load rating, radial | Cr | 1,440,000 N323,741.007 lbf |
| Basic static load rating, radial | C0r | 3,450,000 N775,629.496 lbf |
| Fatigue load limit, radial | Cur | 295,000 N66,321.942 lbf |
| Limiting speed | nG | 1,240 1/min |
| Mass | ≈m | 114 kg251.327 lbs |
Mounting dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 767 mm30.197 in |
| Maximum diameter of shaft shoulder | da max | 794 mm31.26 in |
| Maximum diameter of housing shoulder | Da max | 903 mm35.551 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 | 8.8 mm0.346 in |
| Raceway diameter outer ring | E | 879 mm34.606 in |
| Raceway diameter inner ring | F | 799 mm31.457 in |
| Minimum rib diameter outer ring | D1 min | 866 mm34.094 in |
| Maximum rib diameter inner ring | d1 | 812.5 mm31.988 in |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -30 °C-22 °F |
| Operating temperature max. | Tmax | 150 °C302 °F |
Capabilities & suitability5 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 |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 1397995 | |
| Brand | FAG | |
| SAP material number | 0766321560000 | |
| Base product | 2305090111 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Cylindrical roller bearing NJ..-MPAX, 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) | 750 mm | |
| Outside Diamater (D) | 920 mm | |
| Total Width (B) | 78 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 1,440,000 N | |
| Basic Static Load Rating, Radial (C0R) | 3,450,000 N | |
| Raceway Diameter Inner Ring (F) | 799 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 767 mm | |
| Operating Temperature Max. (Tmax) | 150 °C | |
| Limiting Speed (Limiting Spe) | 1,240 1/min | |
| Maximum Diameter Of Housing Shoulder (Da) | 903 mm | |
| Maximum Rib Diameter Inner Ring (D1) | 812.5 mm | |
| Minimum Chamfer Dimension (R1 Min) | 5 mm | |
| Axial Displacement (S) | 8.8 mm | |
| Minimum Rib Diameter Outer Ring (D1 Min) | 866 mm | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 794 mm | |
| Minimum Chamfer Dimension (Rmin) | 5 mm | |
| Raceway Diameter Outer Ring (E) | 879 mm | |
| Fatigue Load Limit, Radial (Cur) | 295,000 N |
