B71903-C-2RSD-T-P4S-UL

B71903-C-2RSD-T-P4S-UL FAG Sealed Type With Steel Balls Super Precision Spindle Bearing
Part Number B71903-C-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 20°
Lubrication Hole No
For Load Direction Combined Radial and Thrust
Construction Single Row
Seal Type Sealed
Bore Dia 17 mm
Bore Dia Tolerance -0.004mm to 0
Outer Dia 30 mm
Outer Dia Tolerance -0.005mm to 0
Width 7 mm
Width Tolerance -0.12mm to 0
Ring Material Chrome Steel
Ball Material Chrome Steel
Cage Material Laminated Fabric
Dynamic Radial Load 5 kN
Static Radial Load 2.05 kN
Max Speed (X1000 rpm) 50
Lubrication Lubricated
Temperature Range -30 °C to 80 °C
ABEC Rating P4 (ABEC-7)
ROHS Compliant
REACH Compliant
Ball Dia 3.969 mm
Ball Qty 14
Weight 2 kg
Mounting Dimensions & Additional Information
Shoulder Dia Of Outer Ring 27.5 mm
Axial rigidity heavy(ca H) 47.9 N/µm
Axial rigidity light(ca L) 17.5 N/µm
Axial rigidity medium(ca M) 32.6 N/µm
Diameter shaft shoulder(da) 20 mm
Diameter shaft shoulder clearance(da) h12
Distance between the apexes of the pressure cones(a) 6.6 mm
Fatigue load limit,radial(Cur) 218 N
Liftoff force heavy(KaE H) 592 N
Liftoff force light(KaE L) 62 N
Liftoff force medium(KaE M) 263 N
Maximum recess radius(ra max) 0.3 mm
Minimum chamfer dimension(rmin) 0.3 mm
Preload force heavy(FV H) 162 N
Preload force light(FV L) 20 N
Preload force medium(FV M) 78 N
Shoulder diameter outer ring clearance(Da) H12
Maximum recess radius(ra1 max) 0.1 mm
Minimum chamfer dimension(r1 min) 0.3 mm
B71903-C-2RSD-T-P4S-UL FAG Sealed Type With Steel Balls Super Precision Spindle Bearing cad drawing

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