B71921-E-2RSD-T-P4S-UL

B71921-E-2RSD-T-P4S-UL FAG Sealed Type With Steel Balls Super Precision Spindle Bearing
Part Number B71921-E-2RSD-T-P4S-UL
Brand: LILY
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Equivalent: FAG
System of Measurement Metric
Bearing Type Ball
Internal Design Standard Balls Design
Contact Angle 25°
Lubrication Hole No
For Load Direction Combined Radial and Thrust
Construction Single Row
Seal Type Sealed
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 Chrome Steel
Cage Material Laminated Fabric
Dynamic Radial Load 57 kN
Static Radial Load 42.5 kN
Max Speed (X1000 rpm) 8
Lubrication Lubricated
Temperature Range -30 °C to 80 °C
ABEC Rating P4 (ABEC-7)
ROHS Compliant
REACH Compliant
Ball Dia 12.7 mm
Ball Qty 27
Weight 0.82 kg
Mounting Dimensions & Additional Information
Shoulder Dia Of Outer Ring 138 mm
Axial rigidity heavy(ca H) 479 N/µm
Axial rigidity light(ca L) 219 N/µm
Axial rigidity medium(ca M) 353 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) 4,050 N
Liftoff force heavy(KaE H) 10,556 N
Liftoff force light(KaE L) 1,305 N
Liftoff force medium(KaE M) 4,839 N
Maximum recess radius(ra max) 0.6 mm
Minimum chamfer dimension(rmin) 1.1 mm
Preload force heavy(FV H) 3,417 N
Preload force light(FV L) 450 N
Preload force medium(FV M) 1,616 N
Shoulder diameter outer ring clearance(Da) H12
Maximum recess radius(ra1 max) 0.6 mm
Minimum chamfer dimension(r1 min) 1.1 mm
B71921-E-2RSD-T-P4S-UL FAG Sealed Type With Steel Balls Super Precision Spindle Bearing cad drawing

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