XC71902-E-T-P4S-UL FAG Super Precision Angular Contact Spindle Bearing
Part Number XC71902-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 15 mm
Bore Dia Tolerance -0.004mm to 0
Outer Dia 28 mm
Outer Dia Tolerance -0.005mm to 0
Width 7 mm
Width Tolerance -0.12mm to 0
Ring Material Cromidur Steel
Ball Material Ceramic
Cage Material Laminated Fabric
Dynamic Radial Load 3.7 kN
Static Radial Load 0.95 kN
Max Speed (X1000 rpm) 150
Lubrication Lubricated
Temperature Range -30 °C to 100 °C
ABEC Rating P4 (ABEC-7)
ROHS Compliant
REACH Compliant
Ball Dia 3.969 mm
Ball Qty 13
Weight 15.8 g
Mounting Dimensions & Additional Information
Shoulder Dia Of Outer Ring 25.5 mm
Axial rigidity heavy(ca H) 53.9 N/µm
Axial rigidity light(ca L) 28 N/µm
Axial rigidity medium(ca M) 41.5 N/µm
Diameter shaft shoulder(da) 18 mm
Diameter shaft shoulder clearance(da) h12
Distance between the apexes of the pressure cones(a) 8.5 mm
Fatigue load limit,radial(Cur) 76 N
Liftoff force heavy(KaE H) 188 N
Liftoff force light(KaE L) 30 N
Liftoff force medium(KaE M) 92 N
Maximum diameter injection pitch(Etk max) 20.4 mm
Maximum recess radius(ra max) 0.3 mm
Minimum chamfer dimension(rmin) 0.3 mm
Preload force heavy(FV H) 63 N
Preload force light(FV L) 11 N
Preload force medium(FV M) 32 N
Shoulder diameter outer ring clearance(Da) H12
Maximum recess radius(ra1 max) 0.1 mm
Minimum chamfer dimension(r1 min) 0.3 mm
XC71902-E-T-P4S-UL FAG Super Precision Angular Contact Spindle Bearing cad drawing