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 | 21318 | |
| Bore diameter | d | 90 mm |
| Outside diameter | D | 190 mm |
| Width | B | 43 mm |
| Basic dynamic load rating | C | 380 kN |
| Basic static load rating | C0 | 415 kN |
| Fatigue load limit | Pu | 48.5 kN |
| Reference speed | nref | 3600 r/min |
| Limiting speed | nG | 4850 r/min |
| Mass | ≈m | 5.923 kg |
| Internal clearance | C3 (Group 3) — Internal clearance larger than CN | |
| Cage | TVPB — Plastic cage | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 120 °C |
Product characteristics5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Design | E1 | Without central rip |
| Bore type | Z | Cylindrical |
| Cage | TVPB | Plastic cage |
| Radial internal clearance | C3 (Group 3) | Internal clearance larger than CN |
| Relubrication feature | Standard |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 90 mm3.543 in |
| Outside diameter | D | 190 mm7.48 in |
| Width | B | 43 mm1.693 in |
| Basic dynamic load rating, radial | Cr | 380,000 N85,431.655 lbf |
| Basic static load rating, radial | C0r | 415,000 N93,300.36 lbf |
| Fatigue load limit, radial | Cur | 48,500 N10,903.777 lbf |
| Limiting speed | nG | 4,850 1/min |
| Reference speed | nϑr | 3,600 1/min |
| Mass | ≈m | 5.923 kg13.058 lbs |
Mounting dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 104 mm4.094 in |
| Maximum diameter of housing shoulder | Da max | 176 mm6.929 in |
| Maximum recess radius | ra max | 2.5 mm0.098 in |
Dimensions5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 3 mm0.118 in |
| Bore diameter outer ring | D1 | 152.7 mm6.012 in |
| Raceway diameter of the inner ring | d2 | 112.6 mm4.433 in |
| Diameter lubrication hole | ds | 4.8 mm0.189 in |
| Width of lubricating groove | ns | 9.5 mm0.374 in |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -30 °C-22 °F |
| Operating temperature max. | Tmax | 120 °C248 °F |
Calculation factors4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y | e | 0.24 |
| Dynamic axial load factor | Y1 | 2.87 |
| Dynamic axial load factor | Y2 | 4.27 |
| Static axial load factor | Y0 | 2.8 |
Capabilities & suitability8 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 | |
| Staticangularerrorandmisalignment | Yes | |
| Dynamicangularerrorandmisalignment | Yes |
Manufacturer Identity7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 386695 | |
| Brand | FAG | |
| Base Type | 21318 | |
| Old Designation | ["21318-E1-TVPB-C3","21318E1TVPB.C3"] | |
| X Life Marking | XL | |
| SAP material number | 0190002940030 | |
| Base product | 2305091101 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Spherical roller bearings 213..-E1, main dimensions to DIN 635-2 | |
| Short Description | Spherical Roller Bearing |
Technical Data22 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 90 mm | |
| Outside Diamater (D) | 190 mm | |
| Total Width (B) | 43 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 380,000 N | |
| Basic Static Load Rating, Radial (C0R) | 415,000 N | |
| Diameter Lubrication Hole (Ds) | 4.8 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 104 mm | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Limiting Speed (Limiting Spe) | 4,850 1/min | |
| Reference Speed (Nϑr) | 3,600 1/min | |
| Maximum Recess Radius (Ra Max) | 2.5 mm | |
| Maximum Diameter Of Housing Shoulder (Da) | 176 mm | |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | 0.24 | |
| Width Of Lubricating Groove (Ns) | 9.5 mm | |
| Dynamic Axial Load Factor (Y1) | 2.87 | |
| Bore Diameter Outer Ring (D1) | 152.7 mm | |
| Raceway Diameter Of The Inner Ring (D2) | 112.6 mm | |
| Minimum Chamfer Dimension (Rmin) | 3 mm | |
| Static Axial Load Factor (Y0) | 2.8 | |
| Dynamic Axial Load Factor (Y2) | 4.27 | |
| Fatigue Load Limit, Radial (Cur) | 48,500 N |
