LILY Interchangeable From Kaydon
KC040AR0 Thin Section Bearings
Price $ 347.70
Part Number KC040AR0
LILY Part No. LKC040AR0
System of Measurement Inch
Bearing Type Ball
For Load Direction Angular Contact
Construction Single Row
Seal Type Open
Series KC 3/8" x 3/8"
Bore Dia 4"
Bore Dia Tolerance -0.0008"– 0"
Outer Dia 4.75"
Outer Dia Tolerance -0.0006"– 0"
Width 0.375"
Width Tolerance +.000 –.005"
Land dia.L1 4.277"
Land dia.L2 4.473"
C'Bore dia.L3 4.554"
Ring Material 52100 Chrome Steel
Ball Material 52100 Chrome steel
Cage Material Brass
Dynamic Radial Load 1153 lbs
ISO radial 2,520 Ibs
Static Radial Load 2550 lbs
Static Thrust 2770 lbs
Static Moment 7360 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 0.44 lbs
Contact Angle 30°
1  ISO Radial ratings are calculated per ISO 281:1990. They are included for comparison only.
KC040AR0 Thin Section Bearings cad drawing

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The LILY bearing part series KC040AR0 is a potential replacement for these common bearing part numbers.