NU20/53 NSK Tapered Roller bearings double-row

Brand Name NSK
Model Number NU20/53
Min.Order Quantity 1 pcs
Price Negotiable

Product Details

Series80700
Cone Part Number80780
Cup Part Number80720
Design UnitsImperial
Bearing Weight33.8 Kg
Cage TypeStamped Steel
d635.000 mm
D736.600 mm
B - Cone Width53.975 mm
C - Cup Width41.275 mm
B57.150 mm
R - Cone Backface To Clear Radius13.300 mm
r - Cup Backface To Clear Radius23.30 mm
da - Cone Frontface Backing Diameter651 mm
db - Cone Backface Backing Diameter654.05 mm
Da - Cup Frontface Backing Diameter719.30 mm
Db - Cup Backface Backing Diameter713.99 mm
Ab - Cage-Cone Frontface Clearance2.3 mm
Aa - Cage-Cone Backface Clearance7.4 mm
a - Effective Center Location369.3 mm
C90 - Dynamic Radial Rating (90 million revolutions)438100 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5147000 lbf
C0 - Static Radial Rating412000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)628600 lbf
K - Factor71.33
e - ISO Factor80.44
Y - ISO Factor91.37
G1 - Heat Generation Factor (Roller-Raceway)5880
G2 - Heat Generation Factor (Rib-Roller End)1625
Cg - Geometry Factor0.246
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Company Profile

Phone 983-574-2700
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