70/53 KOYO Single-row, matched pair angular contact ball bearings
Brand Name:KOYO
Model Number:70/53
Series:09000
Cone Part Number:09076
Cup Part Number:09194
Design Units:Imperial
Bearing Weight:0.20 Kg
Cage Type:Stamped Steel
d:18.999 mm
D:49.225 mm

Product Details

Series09000
Cone Part Number09076
Cup Part Number09194
Design UnitsImperial
Bearing Weight0.20 Kg
Cage TypeStamped Steel
d18.999 mm
D49.225 mm
B - Cone Width22.332 mm
C - Cup Width17.463 mm
B23.813 mm
R - Cone Backface To Clear Radius12.290 mm
r - Cup Backface To Clear Radius23.56 mm
da - Cone Frontface Backing Diameter23.88 mm
db - Cone Backface Backing Diameter0 mm
Da - Cup Frontface Backing Diameter44.50 mm
Db - Cup Backface Backing Diameter39.12 mm
Ab - Cage-Cone Frontface Clearance1.5 mm
Aa - Cage-Cone Backface Clearance2.5 mm
a - Effective Center Location3-9.9 mm
C90 - Dynamic Radial Rating (90 million revolutions)42500 lbf
C1 - Dynamic Radial Rating (1 million revolutions)59630 lbf
C0 - Static Radial Rating9100 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)61140 lbf
K - Factor72.2
e - ISO Factor80.27
Y - ISO Factor92.26
G1 - Heat Generation Factor (Roller-Raceway)8
G2 - Heat Generation Factor (Rib-Roller End)4
Cg - Geometry Factor0.0452
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Company Profile

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