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 |
|---|---|---|
| Series | HCB71920 | |
| Bore diameter | d | 100 mm |
| Outside diameter | D | 140 mm |
| Width | B | 20 mm |
| Basic dynamic load rating | C | 57 kN |
| Basic static load rating | C0 | 40.5 kN |
| Fatigue load limit | Pu | 3 kN |
| Mass | ≈m | 0.642 kg |
| Precision class | P4S — Tolerance class P4S, FAG standard better than P4 to ISO 492:2023 | |
| Sealing | Without — Not sealed | |
| Cage | T — Laminated fabric cage | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 100 °C |
Product characteristics7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Contact angle | E | Contact angle 25° |
| Type of Seal | Without | Not sealed |
| Shape of outer surface | DLR | Direct lubrication, annular slots with O rings |
| Cage | T | Laminated fabric cage |
| Tolerance class | P4S | Tolerance class P4S, FAG standard better than P4 to ISO 492:2023 |
| Arrangement bearing set | U | Single bearing |
| Preload class | L | Preload light |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 100 mm3.937 in |
| Outside diameter | D | 140 mm5.512 in |
| Width | B | 20 mm0.787 in |
| Basic dynamic load rating, radial | Cr | 57,000 N12,814.748 lbf |
| Basic static load rating, radial | C0r | 40,500 N9,105.216 lbf |
| Fatigue load limit, radial | Cur | 3,000 N674.46 lbf |
| Limiting speed for grease lubrication | nG Grease | 12,000 1/min |
| Limiting speed for oil lubrication | nG Oil | 18,000 1/min |
| Mass | ≈m | 0.642 kg1.415 lbs |
Mounting dimensions11 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Diameter shaft shoulder | da | 107 mm4.213 in |
| Diameter shaft shoulder clearance | da | h12 |
| Shoulder diameter outer ring | Da | 133 mm5.236 in |
| Shoulder diameter outer ring clearance | Da | H12 |
| Maximum recess radius | ra max | 0.6 mm0.024 in |
| Maximum recess radius | ra1 max | 0.6 mm0.024 in |
| Distance ring grooves | BN | 4 mm0.157 in |
| Distance ring grooves | BN1 | 4 mm0.157 in |
| Distance to lubrication hole | SN | 12 mm0.472 in |
| Width of lubricating groove | SB | 2.2 mm0.087 in |
| Distance between the apexes of the pressure cones | a | 38.2 mm1.504 in |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 1.1 mm0.043 in |
| Minimum chamfer dimension | r1 min | 1.1 mm0.043 in |
| Contact angle | α | 25 ° |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -30 °C-22 °F |
| Operating temperature max. | Tmax | 100 °C212 °F |
Capabilities & suitability4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Radial load capacity | Yes | |
| Axial load capacity in one direction | Yes | |
| Suitable for oil lubrication | Yes | |
| Unsealed design | Yes |
Manufacturer Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 363443 | |
| Brand | FAG | |
| Base Type | HCB71920 | |
| Old Designation | ["HCB71920EDLR.T.P4S.UL"] | |
| X Life Marking | n.r. | |
| SAP material number | 0385952810000 | |
| Base product | 2305080312 | |
| Bearing X designation | HCB71920-EDLR-T-P4S | |
| Mounting Manager ID | HCB71920-EDLR-T-P4S |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Spindle bearing HCB719..-EDLR, adjusted, in pairs or sets, contact angle α = 25°, with ceramic balls, restricted tolerances, for direct oil feed via outer ring, with inserted O rings | |
| Short Description | Spindle bearing |
Additional information9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Preload force light | FV L | 204 N45.863 lbf |
| Preload force medium | FV M | 850 N191.097 lbf |
| Preload force heavy | FV H | 1,876 N421.763 lbf |
| Lift-off force light | KaE L | 584 N131.295 lbf |
| Lift-off force medium | KaE M | 2,489 N559.577 lbf |
| Lift-off force heavy | KaE H | 5,611 N1,261.466 lbf |
| Axial rigidity light | ca L | 187 N/µm |
| Axial rigidity medium | ca M | 311 N/µm |
| Axial rigidity heavy | ca H | 421 N/µm |
Technical Data31 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 100 mm | |
| Outside Diameter (D) | 140 mm | |
| Width (B) | 20 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 57,000 N | |
| Basic Static Load Rating, Radial (C0R) | 40,500 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Operating Temperature Max. (Tmax) | 100 °C | |
| Axial Rigidity Heavy (Ca H) | 421 N/µm | |
| Axial Rigidity Light (Ca L) | 187 N/µm | |
| Axial Rigidity Medium (Ca M) | 311 N/µm | |
| Diameter Shaft Shoulder (Da) | 107 mm | |
| Distance Ring Grooves (Bn1) | 4 mm | |
| Distance Ring Grooves (Bn) | 4 mm | |
| Distance To Lubrication Hole (Sn) | 12 mm | |
| Lift Off Force Heavy (Kae H) | 5,611 N | |
| Lift Off Force Light (Kae L) | 584 N | |
| Lift Off Force Medium (Kae M) | 2,489 N | |
| Limiting Speed For Oil Lubrication (Ng Oil) | 18,000 1/min | |
| Preload Force Heavy (Fv H) | 1,876 N | |
| Preload Force Light (Fv L) | 204 N | |
| Preload Force Medium (Fv M) | 850 N | |
| Shoulder Diameter Outer Ring (Da) | 133 mm | |
| Width Of Lubricating Groove (Sb) | 2.2 mm | |
| Limiting Speed For Grease Lubrication (Ng Grea) | 12,000 1/min | |
| Fatigue Load Limit, Radial (Cur) | 3,000 N | |
| Minimum Chamfer Dimension (Rmin) | 1.1 mm | |
| Maximum Fillet Radius (Ra Max) | 0.6 mm | |
| Maximum Recess Radius (Ra1 Max) | 0.6 mm | |
| Minimum Chamfer Dimension (R1 Min) | 1.1 mm | |
| Contact Angle (Α) | 25 ° | |
| Distance Between The Apexes Of The Pressure Cones (A) | 38.2 mm |
