Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications12 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | VCM71911 | |
| Bore diameter | d | 55 mm |
| Outside diameter | D | 80 mm |
| Width | B | 13 mm |
| Basic dynamic load rating | C | 44.5 kN |
| Basic static load rating | C0 | 13.3 kN |
| Fatigue load limit | Pu | 0.68 kN |
| Mass | ≈m | 0.13518 kg |
| Precision class | P4S — Tolerance class P4S, FAG standard better than P4 to ISO 492:2023 | |
| Sealing | Without — Not sealed | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 100 °C |
Product characteristics6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Preload class | L | Preload light |
| Contact angle | Contact angle 17° | |
| Type of Seal | Without | Not sealed |
| Shape of outer surface | DLR | Direct lubrication, annular slots with O rings |
| Tolerance class | P4S | Tolerance class P4S, FAG standard better than P4 to ISO 492:2023 |
| Arrangement bearing set | U | Single bearing |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 55 mm2.165 in |
| Outside diameter | D | 80 mm3.15 in |
| Width | B | 13 mm0.512 in |
| Basic dynamic load rating, radial | Cr | 44,500 N10,004.496 lbf |
| Basic static load rating, radial | C0r | 13,300 N2,990.108 lbf |
| Fatigue load limit, radial | Cur | 680 N152.878 lbf |
| Limiting speed for grease lubrication | nG Grease | 32,000 1/min |
| Limiting speed for oil lubrication | nG Oil | 48,000 1/min |
| Mass | ≈m | 135.18 g4.768 oz |
Mounting dimensions11 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Diameter shaft shoulder | da | 60 mm2.362 in |
| Diameter shaft shoulder clearance | da | h12 |
| Shoulder diameter outer ring | Da | 75.5 mm2.972 in |
| Shoulder diameter outer ring clearance | Da | H12 |
| Maximum recess radius | ra max | 0.6 mm0.024 in |
| Maximum recess radius | ra1 max | 0.3 mm0.012 in |
| Distance ring grooves | BN | 2.8 mm0.11 in |
| Distance ring grooves | BN1 | 2 mm0.079 in |
| Distance to lubrication hole | SN | 7.6 mm0.299 in |
| Width of lubricating groove | SB | 1.4 mm0.055 in |
| Distance between the apexes of the pressure cones | a | 16.8 mm0.661 in |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 1 mm0.039 in |
| Minimum chamfer dimension | r1 min | 0.6 mm0.024 in |
| Contact angle | α | 17 ° |
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 Identity7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 820116 | |
| Brand | FAG | |
| Base Type | VCM71911 | |
| SAP material number | 0933624980000 | |
| Base product | 2305080314 | |
| Bearing X designation | VCM71911-CDLR-T-P4S-XL | |
| Mounting Manager ID | VCM71911-CDLR-T-P4S-XL |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | High speed spindle bearing VCM719..-CDLR, adjusted, in pairs or sets, contact angle α = 17°, with ceramic balls, rings made from Vacrodur, restricted tolerances, for direct oil feed via outer ring, with inserted O rings | |
| Short Description | High speed spindle bearing |
Additional information9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Preload force light | FV L | 66 N14.838 lbf |
| Preload force medium | FV M | 174 N39.119 lbf |
| Preload force heavy | FV H | 363 N81.61 lbf |
| Lift-off force light | KaE L | 191 N42.941 lbf |
| Lift-off force medium | KaE M | 514 N115.558 lbf |
| Lift-off force heavy | KaE H | 1,105 N248.426 lbf |
| Axial rigidity light | ca L | 49 N/µm |
| Axial rigidity medium | ca M | 70 N/µm |
| Axial rigidity heavy | ca H | 94 N/µm |
Technical Data31 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 55 mm | |
| Outside Diameter (D) | 80 mm | |
| Width (B) | 13 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 44,500 N | |
| Basic Static Load Rating, Radial (C0R) | 13,300 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Operating Temperature Max. (Tmax) | 100 °C | |
| Axial Rigidity Heavy (Ca H) | 94 N/µm | |
| Axial Rigidity Light (Ca L) | 49 N/µm | |
| Axial Rigidity Medium (Ca M) | 70 N/µm | |
| Diameter Shaft Shoulder (Da) | 60 mm | |
| Distance Ring Grooves (Bn1) | 2 mm | |
| Distance Ring Grooves (Bn) | 2.8 mm | |
| Distance To Lubrication Hole (Sn) | 7.6 mm | |
| Lift Off Force Heavy (Kae H) | 1,105 N | |
| Lift Off Force Light (Kae L) | 191 N | |
| Lift Off Force Medium (Kae M) | 514 N | |
| Limiting Speed For Oil Lubrication (Ng Oil) | 48,000 1/min | |
| Preload Force Heavy (Fv H) | 363 N | |
| Preload Force Light (Fv L) | 66 N | |
| Preload Force Medium (Fv M) | 174 N | |
| Shoulder Diameter Outer Ring (Da) | 75.5 mm | |
| Width Of Lubricating Groove (Sb) | 1.4 mm | |
| Limiting Speed For Grease Lubrication (Ng Grea) | 32,000 1/min | |
| Fatigue Load Limit, Radial (Cur) | 680 N | |
| Minimum Chamfer Dimension (Rmin) | 1 mm | |
| Maximum Fillet Radius (Ra Max) | 0.6 mm | |
| Maximum Recess Radius (Ra1 Max) | 0.3 mm | |
| Minimum Chamfer Dimension (R1 Min) | 0.6 mm | |
| Contact Angle (Α) | 17 ° | |
| Distance Between The Apexes Of The Pressure Cones (A) | 16.8 mm |
