N221 KOYO Single-row cylindrical roller bearings
Brand Name:KOYO
Model Number:N221
Series:30213M
Cone Part Number:X30213M
Cup Part Number:Y30213M
Design Units:METRIC
Bearing Weight:1.1 Kg
Cage Type:Stamped Steel
d:65.000 mm
D:120.000 mm
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Product Details

Series30213M
Cone Part NumberX30213M
Cup Part NumberY30213M
Design UnitsMETRIC
Bearing Weight1.1 Kg
Cage TypeStamped Steel
d65.000 mm
D120.000 mm
B - Cone Width23.000 mm
C - Cup Width20.000 mm
B24.750 mm
R - Cone Backface To Clear Radius12.030 mm
r - Cup Backface To Clear Radius21.52 mm
da - Cone Frontface Backing Diameter73.91 mm
db - Cone Backface Backing Diameter76.96 mm
Da - Cup Frontface Backing Diameter115.06 mm
Db - Cup Backface Backing Diameter109.98 mm
Ab - Cage-Cone Frontface Clearance5.1 mm
Aa - Cage-Cone Backface Clearance1.5 mm
a - Effective Center Location3-1.5 mm
C90 - Dynamic Radial Rating (90 million revolutions)442600 N
C1 - Dynamic Radial Rating (1 million revolutions)5164000 N
C0 - Static Radial Rating158000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)629500 N
K - Factor71.44
e - ISO Factor80.4
Y - ISO Factor91.48
G1 - Heat Generation Factor (Roller-Raceway)60.4
G2 - Heat Generation Factor (Rib-Roller End)27.5
Cg - Geometry Factor0.0653
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Company Profile

LY　MANUFACTURING CO.,LTD.
Phone 91-22-28768900
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