LILY Interchangeable From Kaydon
KB120AR0 Thin Section Bearings
Price $ 1623.82
Part Number KB120AR0
LILY Part No. LKB120AR0
System of Measurement Inch
Bearing Type Ball
For Load Direction Angular Contact
Construction Single Row
Seal Type Open
Series KB 5/16" x 5/16"
Bore Dia 12"
Bore Dia Tolerance -0.0014"– 0"
Outer Dia 12.625"
Outer Dia Tolerance -0.0014"– 0"
Width 0.3125"
Width Tolerance +.000 –.005"
Land dia.L1 12.231"
Land dia.L2 12.393"
C'Bore dia.L3 12.445"
Ring Material 52100 Chrome Steel
Ball Material 52100 Chrome steel
Cage Material Brass
Dynamic Radial Load 1623 lbs
ISO radial 2,853 Ibs
Static Radial Load 5840 lbs
Static Thrust 4240 lbs
Static Moment 16860 lbs
Lubrication Lubricated
Shaft Mount Type Press Fit
Temperature Range -30°C to 110 °C
ABEC Rating ABEC-1
Radial Clearance 0.0000 – 0.0005"
RoHS Compliant
Weight 0.85 lbs
Contact Angle 30°
1  ISO Radial ratings are calculated per ISO 281:1990. They are included for comparison only.
KB120AR0 Thin Section Bearings cad drawing

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The LILY bearing part series KB120AR0 is a potential replacement for these common bearing part numbers.