NN3021KTN9/SPVR521 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NN 30 Series

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NN3021KTN9/SPVR521 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NN 30 Series image

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Super Precision Bearing Specification details

da - Cone Frontface Backing Diameter:261.11 mm
d:234.95 mm
db - Cone Backface Backing Diameter:271.02 mm
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:41700 lbf
e - ISO Factor8:0.33
C - Cup Width:57.150 mm
Aa - Cage-Cone Backface Clearance:7.6 mm
a - Effective Center Location3:-6.6 mm
Db - Cup Backface Backing Diameter:356.11 mm
Y - ISO Factor9:1.8
C0 - Static Radial Rating:455000 lbf
B:74.610 mm
C1 - Dynamic Radial Rating (1 million revolutions)5:283000 lbf
C90 - Dynamic Radial Rating (90 million revolutions)4:73200 lbf
Cone Part Number:M252330
Cg - Geometry Factor:0.159
Cage Type:Stamped Steel
r - Cup Backface To Clear Radius2:3.30 mm
D:381.000 mm
B - Cone Width:74.613 mm

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Super Precision Bearing Specification details

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