M71909-E-2RSD-T-P4S-UL-XL

M71909-E-2RSD-T-P4S-UL-XL FAG Sealed Type With Steel Balls Super Precision Spindle Bearing
Part Number M71909-E-2RSD-T-P4S-UL-XL
Brand: LILY
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Equivalent: FAG
System of Measurement Metric
Bearing Type Ball
Internal Design Standard Balls Design
Contact Angle 17°
Lubrication Hole No
For Load Direction Combined Radial and Thrust
Construction Single Row
Seal Type Sealed
Bore Dia 45 mm
Bore Dia Tolerance -0.006mm to 0
Outer Dia 68 mm
Outer Dia Tolerance -0.007mm to 0
Width 12 mm
Width Tolerance -0.12mm to 0
Ring Material Chrome Steel
Ball Material Chrome Steel
Cage Material Laminated Fabric
Dynamic Radial Load 11.7 kN
Static Radial Load 6 kN
Max Speed (X1000 rpm) 28
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 27
Weight 0.13 kg
Mounting Dimensions & Additional Information
Shoulder Dia Of Outer Ring 63.5 mm
Axial rigidity heavy(ca H) 149 N/µm
Axial rigidity light(ca L) 80 N/µm
Axial rigidity medium(ca M) 113 N/µm
Diameter shaft shoulder(da) 50 mm
Diameter shaft shoulder clearance(da) h12
Distance between the apexes of the pressure cones(a) 19.2 mm
Fatigue load limit,radial(Cur) 640 N
Liftoff force heavy(KaE H) 1,558 N
Liftoff force light(KaE L) 276 N
Liftoff force medium(KaE M) 734 N
Maximum recess radius(ra max) 0.6 mm
Minimum chamfer dimension(rmin) 0.6 mm
Preload force heavy(FV H) 524 N
Preload force light(FV L) 96 N
Preload force medium(FV M) 251 N
Shoulder diameter outer ring clearance(Da) H12
Maximum recess radius(ra1 max) 0.15 mm
Minimum chamfer dimension(r1 min) 0.3 mm
M71909-E-2RSD-T-P4S-UL-XL FAG Sealed Type With Steel Balls Super Precision Spindle Bearing cad drawing

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