NTN PRECISION AXLE CORP.
NSK 22218eae4 Bearing
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Super Precision Bearing
NN3021KTN9/SP SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NN 30 Series
Dimension SV :
5.82 in
Oil Lubrication - T Seal :
1500 rpm
7221CDGA/P4A SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,7200 Series,15 Degree Contact Angle
ra (max) :
3 mm
Fillet Radius/Chamfer :
4 mm
7221CD/P4ADGA SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,7200 Series,15 Degree Contact Angle
da (min) :
74 mm
Configuration :
Single Row
7221ACDGA/P4A SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,7200 Series,25 Degree Contact Angle
ra (max) :
0.3 mm
Weight :
0.009 kg
71921CDGA/P4A SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71900 Series,15 Degree Contact Angle
B - Cone Width :
1.875 in
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 :
17300 lbf
71921CD/P4ADGB SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71900 Series,15 Degree Contact Angle
Weight :
0.047 Kg
Outside Diameter D :
65.000 mm
71921CD/P4ADGA SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71900 Series,15 Degree Contact Angle
Maximum Speed :
1740 rpm
Cr - Dynamic Load Rating :
81606 lbf
71821CD/P4DGA SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71800 Series,15 Degree Contact Angle
r - Outer Ring To Clear Radius3 :
0.3 mm
do - Ball Diameter :
3.571875 mm
71821CDGB/P4 SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71800 Series,15 Degree Contact Angle
Y - ISO Factor4 :
2.13
K - Factor2 :
2.07
71821CD/P4DGB SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71800 Series,15 Degree Contact Angle
Y2 - ISO Factor10 :
2.5
Aa - Cage-Cone Backface Clearance :
0.05 in
71821CDGA/P4 SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71800 Series,15 Degree Contact Angle
Bore Type :
Cylindrical Bore
Limiting Speed - Oil :
270 rpm
71821ACDGA/P4 SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71800 Series,25 Degree Contact Angle
Engineering Group :
Mounted Bearing
Grease Lubrication - T Seal :
1600 rpm
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