B71907-C-2RSD-T-P4S-UL FAG Super Precision Angular Contact Spindle Bearing
Part Number B71907-C-2RSD-T-P4S-UL
Brand: LILY Brand: LILY
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 35 mm
Bore Dia Tolerance -0.006mm to 0
Outer Dia 55 mm
Outer Dia Tolerance -0.007mm to 0
Width 10 mm
Width Tolerance -0.12mm to 0
Ring Material Chrome Steel
Ball Material Chrome Steel
Cage Material Laminated Fabric
Dynamic Radial Load 12.1 kN
Static Radial Load 6.8 kN
Max Speed (X1000 rpm) 26
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 25
Weight 75.8 g
Mounting Dimensions & Additional Information
Shoulder Dia Of Outer Ring 51.5 mm
Axial rigidity heavy(ca H) 87.5 N/µm
Axial rigidity light(ca L) 33.5 N/µm
Axial rigidity medium(ca M) 60.2 N/µm
Diameter shaft shoulder(da) 40 mm
Diameter shaft shoulder clearance(da) h12
Distance between the apexes of the pressure cones(a) 11.1 mm
Fatigue load limit,radial(Cur) 720 N
Liftoff force heavy(KaE H) 1,377 N
Liftoff force light(KaE L) 155 N
Liftoff force medium(KaE M) 619 N
Maximum recess radius(ra max) 0.6 mm
Minimum chamfer dimension(rmin) 0.6 mm
Preload force heavy(FV H) 384 N
Preload force light(FV L) 50 N
Preload force medium(FV M) 185 N
Shoulder diameter outer ring clearance(Da) H12
Maximum recess radius(ra1 max) 0.15 mm
Minimum chamfer dimension(r1 min) 0.6 mm
B71907-C-2RSD-T-P4S-UL FAG Super Precision Angular Contact Spindle Bearing cad drawing