KOYO J-228 - Leader Industrial Manufacture

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Deep groove ball bearings

Self aligning ball bearings

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B - Cone Width:76.992 mm
C - Cup Width:53.975 mm
B:76.203 mm
R - Cone Backface To Clear Radius1:6.35 mm
r - Cup Backface To Clear Radius2:4.83 mm
da - Cone Frontface Backing Diameter:327.91 mm
db - Cone Backface Backing Diameter:334.01 mm
Da - Cup Frontface Backing Diameter:411.50 mm
Db - Cup Backface Backing Diameter:406.91 mm
Ab - Cage-Cone Frontface Clearance:-0.5 mm
Aa - Cage-Cone Backface Clearance:14.2 mm
a - Effective Center Location3:7.4 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:52200 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:201000 lbf
C0 - Static Radial Rating:401000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:37200 lbf
K - Factor7:1.4
e - ISO Factor8:0.42
Y - ISO Factor9:1.44
G1 - Heat Generation Factor (Roller-Raceway):1882.6
G2 - Heat Generation Factor (Rib-Roller End):272.9
Cg - Geometry Factor:0.171

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Leader Industrial Manufacture

✖

Stock Categories

Deep groove ball bearings

Self aligning ball bearings

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