HCB71904-C-2RSD-T-P4S-UL FAG Super Precision Angular Contact Spindle Bearing
Part Number HCB71904-C-2RSD-T-P4S-UL
Brand: LILY Brand: LILY
Equivalent: FAG
System of Measurement Metric
Bearing Type Ball
Internal Design Small Balls Design
Contact Angle 20°
Lubrication Hole No
For Load Direction Combined Radial and Thrust
Construction Single Row
Seal Type Sealed
Bore Dia 20 mm
Bore Dia Tolerance -0.005mm to 0
Outer Dia 37 mm
Outer Dia Tolerance -0.006mm to 0
Width 9 mm
Width Tolerance -0.12mm to 0
Ring Material Chrome Steel
Ball Material Ceramic
Cage Material Laminated Fabric
Dynamic Radial Load 7.4 kN
Static Radial Load 3.1 kN
Max Speed (X1000 rpm) 60
Lubrication Lubricated
Temperature Range -30 °C to 80 °C
ABEC Rating P4 (ABEC-7)
ROHS Compliant
REACH Compliant
Ball Dia 4.762 mm
Ball Qty 15
Weight 34 g
Mounting Dimensions & Additional Information
Shoulder Dia Of Outer Ring 33.5 mm
Axial rigidity heavy(ca H) 46 N/µm
Axial rigidity light(ca L) 16.8 N/µm
Axial rigidity medium(ca M) 31.5 N/µm
Diameter shaft shoulder(da) 24 mm
Diameter shaft shoulder clearance(da) h12
Distance between the apexes of the pressure cones(a) 8.3 mm
Fatigue load limit,radial(Cur) 248 N
Liftoff force heavy(KaE H) 431 N
Liftoff force light(KaE L) 37 N
Liftoff force medium(KaE M) 182 N
Maximum recess radius(ra max) 0.3 mm
Minimum chamfer dimension(rmin) 0.3 mm
Preload force heavy(FV H) 128 N
Preload force light(FV L) 12 N
Preload force medium(FV M) 57 N
Shoulder diameter outer ring clearance(Da) H12
Maximum recess radius(ra1 max) 0.15 mm
Minimum chamfer dimension(r1 min) 0.3 mm
HCB71904-C-2RSD-T-P4S-UL FAG Super Precision Angular Contact Spindle Bearing cad drawing