HC71921-E-T-P4S-UL FAG Super Precision Angular Contact Spindle Bearing
Part Number HC71921-E-T-P4S-UL
Brand: LILY Brand: LILY
Equivalent: FAG
System of Measurement Metric
Bearing Type Ball
Internal Design Small Balls Design
Contact Angle 25°
Lubrication Hole No
For Load Direction Combined Radial and Thrust
Construction Single Row
Seal Type Open
Bore Dia 105 mm
Bore Dia Tolerance -0.008mm to 0
Outer Dia 145 mm
Outer Dia Tolerance -0.009mm to 0
Width 20 mm
Width Tolerance -0.20mm to 0
Ring Material Chrome Steel
Ball Material Ceramic
Cage Material Laminated Fabric
Dynamic Radial Load 27.5 kN
Static Radial Load 22.4 kN
Max Speed (X1000 rpm) 22
Lubrication Lubricated
Temperature Range -30 °C to 100 °C
ABEC Rating P4 (ABEC-7)
ROHS Compliant
REACH Compliant
Ball Dia 12.7 mm
Ball Qty 27
Weight 0.83 kg
Mounting Dimensions & Additional Information
Shoulder Dia Of Outer Ring 138 mm
Axial rigidity heavy(ca H) 321 N/µm
Axial rigidity light(ca L) 170 N/µm
Axial rigidity medium(ca M) 250 N/µm
Diameter shaft shoulder(da) 112 mm
Diameter shaft shoulder clearance(da) h12
Distance between the apexes of the pressure cones(a) 39.1 mm
Fatigue load limit,radial(Cur) 1,610 N
Liftoff force heavy(KaE H) 1,987 N
Liftoff force light(KaE L) 323 N
Liftoff force medium(KaE M) 980 N
Maximum diameter injection pitch(Etk max) 121.9 mm
Maximum recess radius(ra max) 0.6 mm
Minimum chamfer dimension(rmin) 1.1 mm
Preload force heavy(FV H) 676 N
Preload force light(FV L) 113 N
Preload force medium(FV M) 338 N
Shoulder diameter outer ring clearance(Da) H12
Maximum recess radius(ra1 max) 0.6 mm
Minimum chamfer dimension(r1 min) 1.1 mm
HC71921-E-T-P4S-UL FAG Super Precision Angular Contact Spindle Bearing cad drawing